According to the information, we can infer that the correct order for these number is -1.5, -0.75, -0.75, 1.25, 3.25.
How to organize the numbers in the numberline?To plot the numbers on a number line, we need to arrange them in increasing order. Here is the organized list of the numbers:
-1.5, -0.75, -0.75, 1.25, 3.25On the number line, we can mark -1.5 first and then move to the right to mark -0.75 twice (since it appears twice in the list), then 1.25, and finally 3.25 . On the number line, we can see that -1.5 is the smallest number and 3.25 is the largest number.
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The label of a can represents the lateral surface area of a cylinder. what is the lateral surface area of a can of beans with a diameter of 7 cm and a height of 11 cm?
The lateral surface area of a cylinder is the area of the sides of the cylinder, not including the top or bottom. In the case of a can of beans, the label that wraps around the can represents this lateral surface area.
To find the lateral surface area of the can, we need to use the formula for the lateral surface area of a cylinder: LSA = 2πr*h, where r is the radius of the base of the cylinder and h is the height of the cylinder.
Since we are given the diameter of the can (7 cm), we need to divide it by 2 to get the radius: r = 7/2 = 3.5 cm. The height of the can is given as 11 cm.
Now we can plug these values into the formula to find the lateral surface area of the can: LSA = 2π(3.5)(11) ≈ 242.95 cm².
So the lateral surface area of the can of beans is approximately 242.95 cm². This is the area of the sides of the can that the label would wrap around.
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Se estima que el costoanual de manejar cierto auto nuevo está dado por la fórmula C= 0. 35m + 2200, donde m representa el número de millas recorridas por año y C es el costo en dólares. Juana compró ese auto y decide presupuestar entre $6400 y $7100 para costos de manejo del año siguiente. ¿Cuál es el intervalo correspondiente de millas que ella puede manejar su nuevo auto? *
El intervalo correspondiente de millas que Juana puede manejar su nuevo auto está entre 10,000 y 14,000 millas.
How many miles can Juana drive her new car within the given budget range?Para determinar el intervalo correspondiente de millas que Juana puede manejar su nuevo auto, podemos resolver la fórmula del costo anual en términos de la variable m (millas recorridas por año). Dado que el costo anual está entre $6400 y $7100, podemos establecer la siguiente desigualdad:
6400 ≤ 0.35m + 2200 ≤ 7100
Restando 2200 en los tres lados de la desigualdad, obtenemos:
4200 ≤ 0.35m ≤ 4900
Dividiendo por 0.35 en los tres lados, obtenemos:
12000 ≤ m ≤ 14000
Por lo tanto, Juana puede manejar su nuevo auto en un intervalo de millas que va desde 12000 millas hasta 14000 millas por año.
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A mover notes the weights of a table and 4 chairs and records t+4C >_100 on his invoice. What is he communicating?
The choices are,
A. The table and 4 chairs each weigh more than 100 pounds.
B. The table and 4 chairs weigh at most 100 pounds.
C. The table and 4 chairs weigh around 100 pounds, give or take a little.
D. The table and 4 chairs at
least 100 pounds
The mover is communicating that the weight of the table and 4 chairs combined, represented as t+4C, is greater than or equal to 100 pounds.
The expression t+4C represents the total weight of the table and 4 chairs. The mover's invoice states that this total weight is greater than or equal to 100 pounds, which means that the combined weight of the table and chairs is at least 100 pounds. Therefore, the correct answer is D, "The table and 4 chairs weigh at least 100 pounds."
To solve this mathematically, we can use algebraic inequalities. The inequality t+4C >_ 100 can be rearranged as t >_ 100-4C. This means that the weight of the table t must be greater than or equal to 100 minus four times the weight of a single chair C.
If each chair weighs less than 25 pounds, then the total weight of the table and 4 chairs combined will be at least 100 pounds. So D is correct answer.
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The equation of the line of best fit for the exam grade per hour studied is
y = 6x + 60. What is the residual for 1 hours of studying?
The predicted exam grade for 1 hour of studying is 66. Therefore the residual for 1 hours of studying can be calculated as Residual = Actual Exam Grade - 66.
To find the residual for 1 hour of studying, we first need to determine the predicted exam grade and compare it to the actual exam grade for that specific data point.
Using the line of best fit equation y = 6x + 60, we can find the predicted exam grade for 1 hour of studying:
y = 6(1) + 60
y = 6 + 60
y = 66
So, the predicted exam grade for 1 hour of studying is 66. To calculate the residual, you need the actual exam grade for 1 hour of studying. If that information is not provided, the residual cannot be calculated. If the actual grade is provided, subtract the predicted grade from the actual grade to find the residual:
Residual = Actual Exam Grade - Predicted Exam Grade
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Samantha is using a 2-liter pitcher to serve lemonade to 10 of her friends. How many times will she need to fill the pitcher in order to serve each friend 400 milliliters of lemonade
You are buying shingles for a roof. Each bundle of shingles will cover 27 square feet. The roof consists of two rectangular parts, and each 70 feet by 30 feet. How many bundles of shingles do you need?
Answer:
156 bundles
Step-by-step explanation:
Total area of the roof = 2(70 x 30) = 4200 sf
(4200 sf) / (27sf/bundle) = 155.56 ≈ 156 bundles
for each pair of numbers verify lcmm,n∙gcdm,n=mn. 60,90 220,1400 3273∙11, 23∙5∙7
lcmm,n∙gcdm,n=mn is verified for all three pairs of numbers. We can verify lcmm,n∙gcdm,n=mn for each pair of numbers as follows:
For 60 and 90:
lcm(60,90) = 180
gcd(60,90) = 30
180 * 30 = 5400
60 * 90 = 5400
Since both sides of the equation are equal to 5400, the equation is verified.
For 220 and 1400:
lcm(220,1400) = 3080
gcd(220,1400) = 20
3080 * 20 = 61600
220 * 1400 = 61600
Since both sides of the equation are equal to 61600, the equation is verified.
For 3273∙11 and 23∙5∙7:
lcm(3273∙11, 23∙5∙7) = 15015
gcd(3273∙11, 23∙5∙7) = 161
15015 * 161 = 2418315
3273∙11 * 23∙5∙7 = 2418315
Since both sides of the equation are equal to 2418315, the equation is verified.
Therefore, lcmm,n∙gcdm,n=mn is verified for all three pairs of numbers.
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a qualitative researcher studied womens decisions to delay birth until their late 30s. initial participants referred other women who had made similar decisions. what type of sampling approach i sbeing used with such referrals
The sample is being used with such referrals of a qualitative researcher studied women's decision to delay childbearing until their late 30s is Snowball, option C.
A non-probability sampling technique called snowball sampling entails the recruitment of new units by existing units to make up the sample. Research regarding people with certain characteristics who would be hard to find otherwise can benefit from snowball sampling (e.g., people with a rare disease).
Snowball sampling, sometimes referred to as chain sampling or network sampling, starts with one or more research participants. Following then, it proceeds based on recommendations from those individuals. This procedure is repeated until the required sample is obtained or a saturation point is reached.
The selection is based on a variety of factors, including:
A minimum of five years must have passed from the beginning of the relationship.Now the pair must cohabitate.The pair must reside in a specific region.The pair must be able to provide examples of changes or difficulties they have faced together (e.g., long-distance, illness or loss of a loved one).Learn more about Snowball sample:
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Complete question;
A qualitative researcher studied women's decision to delay
childbearing until their late 30s. Initial study participants
referred friends who had made similar decisions. What type
of sample is being used with such referrals?
A.Convenience
B.Volunteer
C.Snowball
D. Purposive
Rita and Jan are working on a school project together. Rita has completed 0.3 of her portion, and Jan has completed a portion as well. Use the model to complete the equation below and find how much of the total project Rita and Jan have completed.
answer the question.
Answer:
rita and john are susseful the job
js school
Pls help me with this question quick
Based on the equation, when Lisa sells 24 copies of Math is Fun, her total pay will be $3140.
How to calculate the amountThe equation relating P to N is:
P = 1700 + 60N
This is because her base salary is $1700, and she earns an additional $60 for each copy of Math is Fun she sells.
In order to find her total pay if she sells 24 copies of Math is Fun, we simply need to substitute N = 24 into the equation:
P = 1700 + 60(24)
P = 1700 + 1440
P = 3140
Therefore, if Lisa sells 24 copies of Math is Fun, her total pay will be $3140.
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For the acute angles in a right triangle, sin(5x)° = cos(3x + 2)°.
What is the number of degrees in the measure of the smaller
angle?
Answer is The smaller angle is 35°.
To solve for the acute angles in a right triangle when sin(5x)° = cos(3x + 2)°, we need to use trigonometric identities.
Recall that sin(x) = cos(90 - x) for any angle x. Using this identity, we can rewrite sin(5x)° as cos(90 - 5x)°.
Similarly, cos(x) = sin(90 - x) for any angle x. Using this identity, we can rewrite cos(3x + 2)° as sin(90 - (3x + 2))°, which simplifies to sin(88 - 3x)°.
Now we have cos(90 - 5x)° = sin(88 - 3x)°. Since these two expressions are equal, we can set them equal to each other and solve for x:
cos(90 - 5x)° = sin(88 - 3x)°
sin(5x)° = sin(88 - 3x)°
5x = 88 - 3x
8x = 88
x = 11
Therefore, the acute angles in the right triangle are 5x° and 90 - 5x°, or 55° and 35°. The smaller angle is 35°.
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A new sign is being designed for the cityâs skate park. Knowing the exact angles is necessary for fitting the sign where it will hang. The architect started to write in the angles, but went home sick before she could finish. It is up to you to fill in the missing angles. For 4 of the 8 missing angles, explain your answer
Using trigonometry, we can solve for the missing angles to find them as 18.43°, 45°, 45°, and 18.43°.
The sign is mounted on a sloped surface, which means that we'll need to use some trigonometry to find the missing angles.
Let's concentrate on the sign's upper right corner, where the letters x and y are absent from two perspectives. The magnitude of angle x may be determined using trigonometry.
Let's begin by sketching a right triangle that has an angle x. The triangle's two sides may be represented by the sign's vertical and horizontal lines, with the addition of a third side to join the top right corner of the sign to the sloping area below.
Since the sign is an octagon, we know that each interior angle is 135°. Therefore, the measure of angle y must be:
y = 180 - 135 = 45°
Now, let's look at the right triangle that includes angle x. We know that the hypotenuse of the triangle is the sloped surface of the sign, which has a length of 4.5 meters. We also know that the opposite side of the triangle is the height of the sign above the ground, which has a length of 1.5 meters.
Using trigonometry, we can find the measure of angle x by taking the inverse tangent of the opposite side over the adjacent side:
tan(x) = opposite/adjacent = 1.5/4.5 = 1/3
x = tan⁻¹(1/3) ≈ 18.43°
Therefore, the measure of angle x is approximately 18.43 degrees.
Hence, using trigonometry, we can solve for the missing angles to find them as 18.43°, 45°, 45°, and 18.43°.
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3 Let a represent a positive number and let b represent a negative number. Tell whether each statement is True or False. A. The difference (a - b) could be negative. True False True False b. The difference (b - a) cannot be positive. C. The sum (a + b) could be positive. True False d. The sum (b + a) must be negative. True False
Using various laws of integers we can say that if a is a positive integer and b is a negative integer, statement A is False, B is True, C s True and D is false.
Here we are given that a is a positive integer while b is a negative integer.
A. The statement says that the difference (a - b) could be negative.
According to the subtraction law of integers, when a negative number is subtracted from a positive number, that is we have
2 - (-3)
Here the 2 minus signs will make a positive to give
2 + 3 = 5
Hence (a - b) will be a positive number since b is negative.
B.
The difference (b - a) cannot be positive.
Since a is positive and b is negative, according to the above example we will get
-3 - 2 = -5
Hence it is true that the difference (b - a) can't be positive.
C.
The sum (a + b) could be positive.
Here, we can see that a is a positive number while b is a negative number. In the light of above example, we will get
2 - 3 = -1
Here the sum is nagative as 3 > 2, but if we had
3 + (-2), then the answer would have been 1. Hence (a + b) can be positive. Hence the statement is true.
D.
The sum (b + a) must be negative.
Integers have commutative properties. Hence a + b = b + a
Hence if a + b can be positive, then b + a can also be positive.
Hence the statement is False.
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A 20ft ladder is set up that it reaches up 16ft if Christian pulls it 2 feet farther from its base how far up the side of the house is the ladder
The ladder reaches up 20ft the side of the house.
If a 20ft ladder reaches 16ft up the side, what would be the new distance of the ladder's base from the house if it is moved 2ft farther from its initial position?The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.
This theorem can be used to solve problems involving right triangles, such as finding the length of the sides or the height of an object.
In this problem, we are given the length of the ladder and the height up the side of the house that it reaches.
We can use the Pythagorean theorem to find the distance from the base of the ladder to the side of the house.
We can then use this distance and the height up the side of the house that the ladder reaches to find the length of the ladder using the Pythagorean theorem again.
Let's call the distance from the base of the ladder to the side of the house "x". We can then use the Pythagorean theorem to find the height that the ladder reaches up the side of the house.
According to the Pythagorean theorem, the length of the ladder (which is the hypotenuse of the right triangle formed by the ladder, the ground, and the side of the house) is equal to the square root of the sum of the squares of the other two sides.
So, if we let "h" be the height up the side of the house that the ladder reaches, we have:
ladder length = √(x^2 + h^2)
We know that the ladder is 20ft long and reaches up 16ft, so we can set up the equation:
20 = √(x^2 + 16^2)
Squaring both sides of the equation, we get:
400 = x^2 + 256
Subtracting 256 from both sides, we get:
144 = x^2
Taking the square root of both sides, we get:
x = 12
So the ladder is leaning against the house 12ft away from the base, and we can use the Pythagorean theorem to find the height up the side of the house that the ladder reaches:
ladder length = √(12^2 + 16^2) = √(144 + 256) = √400 = 20
Therefore, the ladder reaches up 20ft the side of the house.
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What is the value of X in circle O below?
Need help on all step by step preferably
Answer:
a. x = 68
b. x = 55
c. x = 18
Step-by-step explanation:
Formula
Inscribed angle = Central angle/2
a.
x = 136/2
x = 68
b.
x = ( 360 - 150 - 100 )/2
= 110/2
x = 55
c.
x = 18
y were surveyed on questions regarding their educational background (college degree or no college degree) and marital status (single or married). of the 600 employees, 400 had college degrees, 100 were single, and 60 were single college graduates. find the probability that
The value is calculated by dividing the total number of occurrences by 200 favourable examples that do not possess a college degree is 0.33 is the determined probability value.
The favourable number of cases is 200.
The total number of cases is 600.
The calculation of the required probability is,
Probability = Favourable cases Total number of cases 200 600 = 0.33
Occurrences refer to events or incidents that happen in a particular time or place. These events can be both positive and negative and can occur in various contexts, such as personal experiences, historical events, natural phenomena, and scientific observations.
Occurrences can be significant or insignificant, depending on their impact on individuals or society as a whole. Some occurrences may be routine and expected, while others may be unexpected and unpredictable. The study of occurrences is important in many fields, including history, sociology, psychology, and environmental science. By analyzing past occurrences, researchers can gain insights into patterns of behavior and trends that can inform future decisions and policies.
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Complete Question:-
The employees of a company were surveyed on questions regarding their educational background (college degree or no college degree) and marital status (single or married). Of the 600 employees, 400 had college degrees, 100 were single, and 60 were single college graduates. The probability that an employee of the company does not have a college degree is:
To the nearest whole cubic centimeter, what is the volume of the prism?
The volume of the prism in 120 cubic centimeter.
What is volume?Volume is a measure of the amount of space occupied by a three-dimensional object. It is a scalar quantity that characterizes the "size" or "capacity" of an object in three dimensions.
What is prism?A prism is a three-dimensional geometric shape that has two parallel and congruent bases connected by lateral faces that are typically rectangular or parallelogram-shaped. Prisms are classified based on the shape of their base, such as rectangular prisms, triangular prisms, pentagonal prisms, hexagonal prisms, and so on. The lateral faces of a prism are perpendicular to the bases, and the bases are usually parallel to each other.
According to the given information:
Given the measures of prism is length = 8cm, breadth = 6 cm, height = 5 cm
The formula for volume of prism = 1/2 l*b*h
= 1/2 8*6*5
= 120 cubic centimeter
Hence the volume of prism is 120 cubic centimeter.
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Francium is a radioactive element discovered by Marguerite Perey in 1939 and named after her country. Francium has a half-life of 22 minutes.
a) Write an exponential function that models the mass how many grams remain from a 480-gram sample after t minutes.
b) How many grams remain after 2 hours?
After 2 hours, approximately 4.38 grams of Francium remain from the 480-gram sample.
What is Algebraic expression ?
An algebraic expression is a combination of variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division. It may contain one or more terms, with each term separated by a plus or minus sign. Algebraic expressions are used in algebra to represent mathematical relationships and formulas.
a) To write an exponential function that models the mass of Francium remaining after t minutes, we can use the formula:
N = N0 * [tex](1/2)^{(t / t1/2)}[/tex]
where N is the amount remaining after time t, N0 is the initial amount, t1/2 is the half-life, and (t/t1/2) means raised to the power of t/t1/2.
In this case, the initial amount is 480 grams, the half-life is 22 minutes, and we want to find the amount remaining after t minutes. Therefore, the exponential function that models the mass of Francium remaining after t minutes is:
N = 480 * [tex](1/2)^{t/22}[/tex]
b) 2 hours is equal to 120 minutes. To find how many grams of Francium remain after 2 hours, we can substitute t = 120 into the exponential function we found in part a):
N = 480 *[tex](1/2)^{ (120 / 22) }[/tex] ≈ 4.38 grams
Therefore, after 2 hours, approximately 4.38 grams of Francium remain from the 480-gram sample.
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Pls Answer Soon!
A college professor asked every student in his statistics class to flip a coin 100 times and report how many times the coin landed on heads. The results followed a normal distribution, with a mean of 50 and a standard deviation of 5.
If there were 70 students in the class, how many of the students most likely got heads between 45 times and 60 times?
Round your answer to the nearest whole number of students
57 students most likely got heads between 45 and 60 times.
To determine the number of students who got heads between 45 and 60 times, we'll use the normal distribution properties. First, we need to calculate the z-scores for 45 and 60:
Z = (X - μ) / σ
For 45 heads:
Z1 = (45 - 50) / 5 = -1
For 60 heads:
Z2 = (60 - 50) / 5 = 2
Next, we need to find the probability that a student falls between these z-scores. We can do this by looking up the z-scores in a standard normal distribution table or using a calculator. The probabilities corresponding to these z-scores are:
P(Z1) = 0.1587
P(Z2) = 0.9772
Now, subtract P(Z1) from P(Z2) to get the probability of a student's result falling between 45 and 60 heads:
P(45 ≤ X ≤ 60) = P(Z2) - P(Z1) = 0.9772 - 0.1587 = 0.8185
Finally, multiply this probability by the total number of students (70) and round to the nearest whole number:
Number of students = 0.8185 * 70 ≈ 57
So, approximately 57 students most likely got heads between 45 and 60 times.
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help pls. my mom is mad bc i don’t have this done.
_______________________________
A = L × B = 7.3cm × 9cm= 65.7cm= 65.7cm × 90m= 5,913m²_______________________________
Given that : f(x) = 2 sec x + tan x 0 ≤ x ≤ 2π
a) Find the derivative.
b) Find the critical numbers.
The derivative of the given function is f'(x) = 2(sec x * tan x) + sec^2 x. b) The critical numbers for the function are x = 0 and x = π.of the given function is f'(x) = 2(sec x * tan x) + sec^2 x.
The critical numbers for the function are x = 0 and x = π.
Derivative and critical numbers,
a) Find the derivative: We're given the function f(x) = 2 sec x + tan x.
To find its derivative, we need to find the derivatives of the individual terms (sec x and tan x) and then add them together.
The derivative of sec x is sec x * tan x. So, for the term 2 sec x, the derivative is 2 * (sec x * tan x).
The derivative of tan x is sec^2 x.
Now, we add both derivatives to find the derivative of f(x): f'(x) = 2(sec x * tan x) + sec^2 x
b) Find the critical numbers: Critical numbers are the points where the derivative of the function is either 0 or undefined.
To find the critical numbers, we'll set f'(x) equal to 0 and solve for x, as well as identify where the derivative is undefined.
First, let's set f'(x) to 0: 0 = 2(sec x * tan x) + sec^2 x
We need to solve this equation for x. It's a bit tricky, so let's rewrite the equation in terms of sin and cos: 0 = 2((1/cos x) * (sin x/cos x)) + (1/cos x)^2
Now let's simplify the equation: 0 = 2(sin x/cos^2 x) + 1/cos^2 x
To eliminate the denominators, we'll multiply through by cos^2 x: 0 = 2(sin x) + cos x
Now, we can use the unit circle to find the values of x in the interval 0 ≤ x ≤ 2π that satisfy this equation: For sin x = 0, x = 0, π For cos x = -2, there's no solution in the given interval because the range of cosine is -1 ≤ cos x ≤ 1.
Therefore, the critical numbers are x = 0 and x = π. Your answer:
a) The derivative of the given function is f'(x) = 2(sec x * tan x) + sec^2 x.
b) The critical numbers for the function are x = 0 and x = π.
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A workplace gave an "employee culture survey" in which 500 employees rated their agreement with the statement, "i feel respected by those i work for. " rating frequency strongly agree 156 agree 114 neutral 99 disagree 88 strongly disagree 43 the relative frequency of people who strongly agree with the statement is __________
The relative frequency of people who strongly agree with the statement "I feel respected by those I work for" is 0.312, or 31.2%.
This means that out of the 500 employees surveyed, 156 strongly agreed with the statement. To find the relative frequency, you simply divide the number of people who strongly agree by the total number of people surveyed (156/500).
This result suggests that the majority of employees feel respected by their employers, which is a positive sign for the workplace culture.
However, it's important to note that there are still a significant number of employees who either disagree or feel neutral about this statement, indicating that there may be room for improvement in terms of fostering a more respectful and supportive work environment.
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5. a square has a vertex at (-15,-9) and is dilated at the origin with a scale factor of 1/3
what is the new coordinate of the of the vertex?
(3,5)
(5,3)
(-3,-5)
(-5,-3)
The new coordinate of the vertex after dilation is (-5, -3).
To find the new coordinate, you'll need to use the given scale factor of 1/3 and apply it to the original vertex coordinates (-15, -9). Here's a step-by-step explanation:
1. Identify the original vertex coordinates: (-15, -9).
2. Identify the scale factor for dilation: 1/3.
3. Apply the scale factor to the x-coordinate: (-15) * (1/3) = -5.
4. Apply the scale factor to the y-coordinate: (-9) * (1/3) = -3.
5. The new coordinates after dilation are (-5, -3).
By following these steps, you can find the new coordinates of the vertex after dilation at the origin using the given scale factor.
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in the figure below, AC and BD are diameters of the circle P what is the arc measure of minor BC
The arc measure of minor BC is 155°
How to determine the arc measure of minor BC?An arc is a segment of a circle is defined by two endpoints and the set of points on the curve between them.
The length of an arc is a fraction of the circumference of the circle, and can be calculated using the angle between the two endpoints and the radius of the circle.
We can say that measure of arc BC is m∠ BPC. Also, arc AD is m∠ APD
By Vertical Angles Theorem. That is:
Provided AC and BD are diameters,
m∠ BPC = m∠ APD
m∠ BPC = 155°
Since m∠ BPC = 155°
Therefore, the arc measure of minor BC is 155°
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Complete Question
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Spencer spent 10 minutes on the phone while routing 5 phone calls. If he routes 28 phone calls, how much time will Spencer have spent on the phone in total? Solve using unit rates
Spencer will be on the phone for 56 minutes in total if he routes 28 calls.
To solve problemUsing unit rates, we can calculate how long Spencer will spend on the phone when routing 28 calls if he spent 10 minutes on the phone while routing 5 calls.
The amount of time spent on each phone call is the unit rate. In this instance, the unit fee is 10 minutes / 5 phone calls = 2 minutes each call.
In order to determine how much time Spencer will spend on the phone when routing 28 calls, we can use this unit rate as follows:
Time on phone = unit rate times the number of calls.Time on phone = 2 minutes per phone call x 28 phone callsTime on phone = 56 minutesTherefore, Spencer will be on the phone for 56 minutes in total if he routes 28 calls.
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Calculate the partial derivative ∂z/∂y using implicit differentiation of e* + sin (5x2) + 2y = 0.
(Use symbolic notation and fractions where needed.)
the partial derivative ∂z/∂y using implicit differentiation of e^z + sin(5x^2) + 2y = 0 is:
To calculate the partial derivative ∂z/∂y using implicit differentiation of e* + sin (5x^2) + 2y = 0, we first need to differentiate both sides of the equation with respect to y.
We get:
d/dy(e^z + sin(5x^2) + 2y) = d/dy(0)
Using the chain rule, the left-hand side becomes:
∂(e^z)/∂z * ∂z/∂y + ∂(sin(5x^2))/∂y + 2
We can simplify this by recognizing that ∂(sin(5x^2))/∂y = 0, since sin(5x^2) does not depend on y. Thus, we are left with:
∂(e^z)/∂z * ∂z/∂y + 2 = 0
Now, we need to solve for ∂z/∂y:
∂z/∂y = -2 / ∂(e^z)/∂z
To find ∂(e^z)/∂z, we differentiate e^z with respect to z, giving:
∂(e^z)/∂z = e^z
Substituting this into the expression for ∂z/∂y, we get:
∂z/∂y = -2 / e^z
Therefore, the partial derivative ∂z/∂y using implicit differentiation of e^z + sin(5x^2) + 2y = 0 is:
∂z/∂y = -2 / e^z
Note that we cannot simplify this any further without knowing the value of z.
To find the partial derivative ∂z/∂y using implicit differentiation for the equation e^z + sin(5x^2) + 2y = 0, we will first differentiate the equation with respect to y, treating z as a function of x and y.
Differentiating both sides with respect to y:
∂/∂y (e^z) + ∂/∂y (sin(5x^2)) + ∂/∂y (2y) = ∂/∂y (0)
Using the chain rule for the first term, we get:
(e^z) * (∂z/∂y) + 0 + 2 = 0
Now, solve for ∂z/∂y:
∂z/∂y = -2 / e^z
So, the partial derivative ∂z/∂y for the given equation is:
∂z/∂y = -2 / e^z
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Maddy is an event coordinator who helps
raise money for a children's hospital. At
last year's event, she sold 1200 tickets at
$8 each.
Part A: This year Maddy will reduce ticket
prices by 25%. What will be the price of a
new ticket? Explain your reasoning.
D
Part B: Based on the new price, how many
more tickets will Maddy need to sell to
raise the same amount of money as last
year? Explain your reasoning.
The price of a new ticket after reducing the ticket price by 25% is $6. Maddy will need to sell 400 more tickets this year to raise the same amount of money as last year.
Number of tickets sold = 1200
Cost of each ticket = $8
Part A:
If Maddy lowers ticket costs by 25%, The price of a new ticket will be:
Ticket price = $8 - (25% of $8)
Ticket price = $6
The New ticket price will be calculated by multiplying 0.75 for reducing the 25% tickets
New ticket price = $8 x 0.75 = $6
Part B:
To find how many tickets Maddy requires to sell to equal the same amount of money collected in the previous year:
Total revenue = total number of tickets x Ticket price
1200 tickets x $8 per ticket = $9,600
= $9,600 / $6
= 1,600
Total tickets need to sell = 1600-1200 = 400
Therefore we can conclude that Maddy will need to sell 400 more tickets this year.
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Find the value of a2+bc√−d, when
a = –3, b = 2, c = 100, and d = –2
To find the value of a² + bc√(-d) when a = -3, b = 2, c = 100, and d = -2, follow these steps:
Step 1: Substitute the values into the expression.
a² + bc√(-d) = (-3)² + (2)(100)√(-(-2))
Step 2: Simplify the expression.
(-3)² + (2)(100)√(2) = 9 + 200√2
So, the value of a² + bc√(-d) when
a = -3,
b = 2,
c = 100,
d = -2 is 9 + 200√2.
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A triangular pane of glass has a height of 32 inches and an area of 256 square inches. What is the length of
the base of the pane?
The length of the base of the pane is
inches.
The length of the base is 16 inches.
To find the length of the base of the triangular pane of glass, we can use the formula for the area of a triangle which is:
Area = (1/2) x base x height
We are given that the height of the pane is 32 inches and the area is 256 square inches. Substituting these values into the formula, we get:
256 = (1/2) x base x 32
To isolate the base, we can divide both sides by (1/2) x 32, which simplifies to 16. This gives us:
256 ÷ 16 = base
Simplifying the left side of the equation, we get:
16 = base
Therefore, the length of the base of the pane is 16 inches.
In summary, the triangular pane of glass has a height of 32 inches and an area of 256 square inches. To find the length of the base, we use the formula for the area of a triangle and solve for the base.
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P varies inversely with x. If p=7 and x=8 find the value of p when x=7
When the value of x is 7 the value of p will be equal to 8.
It is given that P varies inversely with x, so we can write that
p=k/x
where k is the proportionality constant.
here we can find the value of k by substituting the value of p and x with 7 and 8 in the relation that is given above, we get:
7=k/8
k=7*8
k=56
we the value of k to be 56 after putting the values in the relation.
Now if x is changed to 7, and k is equal to 56 we can get the value of p by putting the known values in the same relation.
p=k/x
p=56/7
p=8.
Therefore, when the value of x is 7 the value for p will be equal to 8.
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