Hong opened a money investment account with $6600, which increased by 7.5% by the end of the year. The final amount in the account was $7095.
Hong opened an money investment account with $6600. At the end of the year, the amount in the account had increased by 7.5%. To solve the problem, we can start by calculating the amount of the increase in Hong's account:
Increase = $6600 x 7.5% = $495
Then, we can add the increase to the initial amount to find the final amount:
Final amount = $6600 + $495 = $7095
Therefore, there was $7095 in Hong's account at the end of the year.
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Multiply x times (y + 2)
Step-by-step explanation:
[tex]{ \tt{x(y + 2)}}[/tex]
We need to multiply inner terms i.e. y+2 with x
[tex]{ \red{ \tt{xy + 2x}}}[/tex]
Answer:
xy +2x
Step-by-step explanation:
x(y+2)
Distribute the x to each term inside the parentheses.
x*y + x*2
xy +2x
All exponential functions can be written in many forms. Write the function
F(t)=9100(1.15)^t in the form
f(t)=ae^kt
Round all coefficients to four decimal places.
In conclusion Rounding to four decimal places, we get:
f(t) = 9100e²(0.1398t)
How to solve?
To write the function F(t) = 9100(1.15)²t in the form f(t) = ae²(kt), we need to first take the natural logarithm of both sides:
ln(F(t)) = ln(9100(1.15)²t)
ln(F(t)) = ln(9100) + ln(1.15²t)
ln(F(t)) = ln(9100) + t × ln(1.15)
Now, we have the form ln(F(t)) = ln(a) + kt, where k = ln(1.15) and a = 9100. We can exponentiate both sides of this equation to get:
F(t) = e²(ln(a) + kt)
F(t) = e²ln(a) × e²(kt)
F(t) = a × e²(kt)
Substituting the values of a and k, we get:
F(t) = 9100 × e²(0.1398t)
Rounding to four decimal places, we get:
f(t) = 9100e²(0.1398t)
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If a company understates its ending balance of inventory in year 1 and states its inventory correctly in year 2, which one of the following is true?a. Net income is overstated in year 1.b. Cost of goods sold is understand in year 2.c. Net income is understated in year 2.d. Retained earnings is understood in year 2.
If a company understates its ending balance of inventory in year 1 and states its inventory correctly in year 2, then the correct statement is option (c) Net income is understated in year 2
Understating the ending balance of inventory in year 1 would result in the cost of goods sold (COGS) being overstated and net income being understated in that year. This is because the COGS is calculated as the beginning inventory plus purchases minus ending inventory. By understating the ending inventory balance, the COGS for year 1 would be overstated, which would result in a lower net income for year 1.
In year 2, if the inventory is stated correctly, it would not have an impact on the COGS for that year. However, if the net income for year 1 was understated due to the understated ending inventory balance, the cumulative effect would be an understated net income for both years. This means that the correct answer is c. Net income is understated in year 2.
Therefore, the correct option is (c) Net income is understated in year 2
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In the figure DB bisects
So, the measure of angle B is 90 degrees.
What is angle?An angle is a geometric figure formed by two rays or line segments that share a common endpoint, called the vertex. The two rays or line segments are called the sides or arms of the angle. Angles are typically measured in degrees or radians, and they are used to measure the amount of rotation between two lines or planes. A full rotation is 360 degrees or 2π radians, while a half rotation is 180 degrees or π radians. Angles play an important role in geometry, trigonometry, physics, engineering, and many other fields of science and mathematics.
by the question.
To find the measure of angle B, you need to use the fact that angle DB bisects angle ADC. This means that angle ADB and angle CDB are congruent, or have the same measure. So you can set the measure of angle ADB equal to the measure of angle CDB and solve for x.
Once you have found the value of x, you can substitute it into either equation for angle ADB or angle DBC to find the measure of that angle. Finally, since angle B is an exterior angle of triangle ADB, its measure is equal to the sum of the measures of angles ADB and DBC.
So, the steps to find the measure of angle B are:
Set the measure of angle ADB equal to the measure of angle CDB:
(3x - 12) = (2x + 6)
Solve for x:
x = 18
Substitute x = 18 into either equation for angle ADB or angle DBC to find the measure of that angle:
angle ADB = (3x - 12) = (318 - 12) = 48 degrees
angle DBC = (2x + 6) = (218 + 6) = 42 degrees
Find the measure of angle B as the sum of the measures of angles ADB and DBC:
angle B = angle ADB + angle DBC = 48 + 42 = 90 degrees.
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A raccoon consumes 500 calories of food. 50 of those
calories are converted to blomass. In other words:
50 calories turn into plant matter
50 calories leave the raccoon's body as waste
C
It uses 50 calorles of energy to keep warm, reproduce, and
move around
uses
50 calories of energy are stored In Its body
A raccoon consumes 500 calories of food. Of those calories, 50 are transformed into biomass. In other words, 50 calories of energy are stored In Its body. So, option D is correct.
When a raccoon eats 500 calories of food, some of those calories go towards its daily needs for warmth, movement, and reproduction. The raccoon's body does not store this energy; instead, it is transformed into other forms, including heat and movement. In addition, a portion of the energy in meals is expelled as waste rather of being absorbed. Nonetheless, 50 calories of the food's energy are transformed into biomass, which is then stored as fat or tissue in the raccoon's body. Thus, the right response is D) Its body stores 50 calories of energy.
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The actual question is:
A raccoon consumes 500 calories of food. Of those calories, 50 are transformed into biomass. In other words:
A) 50 calories turn into plant matter.
B) 50 calories leave the raccoon's body as waste.
C) In order to stay warm, reproduce, and move around, it needs 50 calories of energy.
D) 50 calories of energy are stored In Its body
Which of the following combinations of side lengths will form a triangle with vertices X, Y, and Z?
A.
XY = 8 mm , YZ = 12 mm , XZ = 23 mm
B.
XY = 11 mm , YZ = 9 mm , XZ = 23 mm
C.
XY = 11 mm , YZ = 12 mm , XZ = 20 mm
D.
XY = 14 mm , YZ = 12 mm , XZ = 29 mm
The combinations of side lengths that will form a triangle with vertices X, Y, and Z are C and D.
For a set of three side lengths to form a triangle, the sum of any two sides must be greater than the third side. Using this property, we can determine which of the given combinations of side lengths will form a triangle with vertices X, Y, and Z.
A. XY = 8 mm, YZ = 12 mm, XZ = 23 mm
Here, XY + YZ = 8 mm + 12 mm = 20 mm, which is less than XZ = 23 mm. Therefore, this combination of side lengths will not form a triangle.
B. XY = 11 mm, YZ = 9 mm, XZ = 23 mm
Here, XY + YZ = 11 mm + 9 mm = 20 mm, which is less than XZ = 23 mm. Therefore, this combination of side lengths will not form a triangle.
C. XY = 11 mm, YZ = 12 mm, XZ = 20 mm
Here, XY + YZ = 11 mm + 12 mm = 23 mm, which is greater than XZ = 20 mm. Therefore, this combination of side lengths will form a triangle.
D. XY = 14 mm, YZ = 12 mm, XZ = 29 mm
Here, XY + YZ = 14 mm + 12 mm = 26 mm, which is greater than XZ = 29 mm. Therefore, this combination of side lengths will form a triangle.
Therefore, the combinations of side lengths that will form a triangle with vertices X, Y, and Z are C and D.
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Which of the following combinations of side lengths will form a triangle with vertices X, Y, and Z?
A.XY = 8 mm , YZ = 12 mm , XZ = 23 mm
B.XY = 11 mm , YZ = 9 mm , XZ = 23 mm
C.XY = 11 mm , YZ = 12 mm , XZ = 20 mm
D.XY = 14 mm , YZ = 12 mm , XZ = 29 mm
Factor 12y−18 using the GCF.
Answer:
6(2y-3)
Step-by-step explanation:
Both 12 and 18 divide by 6.
12/6= 2 and 18/6 = 3
So we can take 6 out and put it outside the bracket and have 2y and 3 on the inside.
Find n. Then find the area. Perimeter =60 2/4 in
The area of the rectangle is 220.5 square inches when the perimeter of the rectangle is 242/4 inch and one side of the rectangle is 49/4 inch.
Perimeter = [tex]60 \frac{2}{4}[/tex] inch = 242/4 inch
one side of rectangle = [tex]12\frac{1}{4}[/tex] inch = 49/4
The perimeter of a rectangle is the sum of all its sides. In this case, we know that the perimeter of the rectangle is 242/4 inch, which simplifies to 60.5 inch. We also know that one side of the rectangle is 49/4 inch.
Let's call the other side of the rectangle "n". Then, we can write the equation:
2(49/4 + n) = 60.5
Simplifying this equation, we get:
98/4 + 2n = 60.5
24.5 + 2n = 60.5
2n = 36
n = 18
Therefore, the other side of the rectangle is 18 inch.
To find the area of the rectangle, we can use the formula:
Area = length * width
In this case, the length is 49/4 inch and the width is 18 inch. So, we have:
Area = (49/4) * 18 = 220.5 square inches
Therefore, the area of the rectangle is 220.5 square inches.
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The complete question is :
Find n. Then find the area. Perimeter = [tex]60 \frac{2}{4}[/tex] inch . If one side of rectangle = [tex]12\frac{1}{4}[/tex] inch and other n inch.
Solve the radical equation.
negative 5 square root of 2 x minus 1 end root equals space minus 15
The sοlutiοn tο the radical equatiοn is x = 5.
What is radical equatiοn?In mathematics, a radical is the οppοsite οf an expοnent, which is symbοlised by the symbοl "," alsο referred tο as rοοt. A square rοοt οr a cube rοοt can be used, and the number befοre the symbοl οr radical is regarded as an index number οr degree. The expοnent οf this number cancels the radical and is a whοle number.
What is the basic arithmetic οperatiοns?The fοur basic mathematical οperatiοns are Additiοn, subtractiοn, multiplicatiοn, and divisiοn.
Starting with:
-5√(2x - 1) = -15
Divide bοth sides by -5:
√(2x - 1) = 3
Square bοth sides:
2x - 1 = 9
Add 1 tο bοth sides:
2x = 10
Divide bοth sides by 2:
x = 5
Hence, the solution to the equation is x = 5.
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What is the purpose of doing a multiple comparison? Choose the correct answer below. O A. O B. O C. ○ D. A multiple comparison is used to compare the results of a one-way ANOVA to the results of a two-way ANOVA. A multiple comparison is equivalent to a one-way ANOVA, except for more than two populations. When at least one of the variances is different, a multiple comparison shows the relationship between the variances. When the null hypothesis of an ANOVA test is rejected, a multiple comparison shows the relationship between the population means. Click to select vour answer
The purpose of doing a multiple comparison is to show the relationship between the population means when the null hypothesis of an ANOVA test is rejected.
What is meant by the multiple comparison?Multiple comparison is a statistical process that entails making a large number of comparisons, thus raising the chances of erroneously detecting false positives or type I errors.
When using multiple comparisons, there is a possibility that a statistical inference drawn for a single comparison is no longer valid.
Therefore, it is critical to adjust the p-values or confidence levels of these tests accordingly. As a result, multiple comparison methods have been devised.
The following are the purposes of doing multiple comparisons:
The relationship between the population means is shown when the null hypothesis of an ANOVA test is rejected.
A multiple comparison is used to compare the results of a one-way ANOVA to the results of a two-way ANOVA.
A multiple comparison is equivalent to a one-way ANOVA, except for more than two populations.When at least one of the variances is different, a multiple comparison shows the relationship between the variances.
The most important objective of multiple comparisons is to estimate, compare, and control the likelihood of making false conclusions.
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A standard size golf ball has a diameter of 1. 680 inches. The material used to make the golf balls weighs 0. 6523 ounces per cubic inch. What is the weight, to the nearest hundredth of an ounce of one golf ball
The volume of a standard size golf ball can be calculated using the formula for the volume of a sphere:
V = (4/3)πr^3
where r is the radius of the golf ball. The diameter of the golf ball is 1.680 inches, so the radius is 0.840 inches.
V = (4/3)π(0.840)^3
= 2.468 in^3
The weight of the golf ball can be calculated by multiplying its volume by the density of the material:
W = V × D
where D is the density of the material. The density of the material is 0.6523 ounces per cubic inch.
W = 2.468 in^3 × 0.6523 oz/in^3
= 1.6095 oz
Therefore, the weight of one golf ball is approximately 1.61 ounces (rounded to the nearest hundredth of an ounce).
Wants to buy new boots that cost $68. The sales tax rate in her city is 5-%. What is the total cost for the boots
Emily new boots cost a total of $71.4 with the tax included as 5% and the original cost of the boots being $68.
The sales tax rate in Emily's city = 5% and the cost of Emily's new boots is $68
we need to find the amount of sales tax Emily will pay for her boots,
The formula we will use =
Sale tax = Percent sales tax x Cost of the product
when we put the values in the formula, we get:
Sales tax = 5% x $68
= $3.4
now we need to also calculate the total cost for Emily's boots,
Therefore, the total cost = Cost of boots + Sales Tax
when we put the values in the formula, we get:
Total cost = $68 + $3.4
= $71.4
Therefore, the total cost Emily will pay for her boots is $71.4
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(Adding Integers MC) What is the value of 209 + −142 + −52? 15 −15 67 −194
The answer is positive 15 because the final result is 15 units to the right of zero on the number line.
To solve this problem, we simply need to add the three integers together.
Starting with 209, we add -142 to get 67. Then, we add -52 to get a final result of 15. Therefore, the answer is 15.
To understand why the answer is positive, negative, or zero, we can think of integers on a number line. Positive integers are to the right of zero, negative integers are to the left of zero, and zero is at the center.
Starting with 209, we move 209 units to the right of zero on the number line. Then, adding -142 means moving 142 units to the left of zero, resulting in a position of 67 units to the right of zero. Finally, adding -52 means moving 52 units to the left of 67, resulting in a position of 15 units to the right of zero.
Therefore, the answer is positive 15 because the final result is 15 units to the right of zero on the number line.
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If two angles of a triangle are congruent to the corresponding angles of a second triangle,
then the third angle of the first triangle is congruent to the third angle of the second
triangle.
A. True
B. False
Answer:
A. True
Step-by-step explanation:
If two angles of a triangle are congruent to the corresponding angles or the second triangle than the third angles must be congruent to each other.
The sum of the interior angles of a triangle is 180. Let's say 2 angles to one triangle is 100 and the second angle is 35. That forces the third angle to be 45 (100 + 35 + 45 = 180)
Helping in the name of Jesus.
Answer:
A. True
Step-by-step explanation:
In congruent triangles...All angles and sides have to be equal.
[50 POINTS]
What is the remainder when 3x^3−x^2+2x−4
is divided by (x - 2)?
The remainder is _______________________
Step-by-step explanation:
To find the remainder when 3x^3 - x^2 + 2x - 4 is divided by (x - 2), we can use synthetic division.
First, we write the coefficients of the polynomial in descending order of powers of x, with any missing terms represented by a coefficient of 0:
3 1 -1 2 -4
To perform synthetic division, we bring down the first coefficient (1) and multiply it by the divisor (x - 2) to get the first entry in the second row, which we then add to the second coefficient:
3 1 -1 2 -4
1
1
We repeat the process with the new coefficient in the third row, multiplying it by the divisor and adding it to the next coefficient:
3 1 -1 2 -4
1 3
1 2
Finally, we repeat the process with the new coefficient in the third row to get the last entry in the second row:
3 1 -1 2 -4
1 3 8
1 2 4
The last entry in the third row is the remainder, which is 4. Therefore, the remainder when 3x^3 - x^2 + 2x - 4 is divided by (x - 2) is 4.
Algebraic expressions for geometry( just beginning geometry) please help this is 2 months late
We can see here:
4. Given: 6x + 7 = 8x - 17. Prove: x = 12
Statements Reasons
1. 6x + 7 = 8x - 17 Given
2. 7 = 2x - 17 Subtracted 6x from both sides
3. 24 = 2x Added 17 to both sides
4. 12 = x Divided both sides by 2
5. x = 12 Final answer proven
What is an algebraic expression?An algebraic expression is a mathematical phrase that can contain numbers, variables, and mathematical operations such as addition, subtraction, multiplication, and division. It can represent a value, an equation, or a formula.
5. Given: -7(x + 2) + 4x = 6(2x - 4): Prove: x = 2/3
Statements Reasons
1. -7(x + 2) + 4x = 6(2x - 4) Given
2. -7x - 14 + 4x = 12x - 24 Opened the brackets by multiplying all
3. -3x - 14 = 12x - 24 Added -7x and 4x at LHS
4. -15x - 14 = -24 Subtracted 12x from both sides
5. -15x = -10 Added 14 to both sides
6. x = 2/3 Divided both sides by -5 to arrive to the result.
6. Given: 3x + 1 = -14: Prove: x = -5
Statements Reasons
1. 3x + 1 = -14 Given
2. 3x = -15 Subtracted 1 from both sides
3. x = -5 Divided both sides by 3. Final answer proven.
7. Given: 2(x - 9) = -10; Prove: x = 4
Statements Reasons
1. 2(x - 9) = -10 Given
2. 2x - 18 = -10 Opened the brackets.
3. 2x = 8 Added 18 to both sides
4. x = 4 Divided both sides by 2. Final answer proven.
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during a football game,the ball is placed 20 yards 2 feet from the goal line.How many feet from the goal line is the football.
Please help VERY SOON
The person who has the fastest speed is given as follows:
Aubri and Tyler(tied).
What is a proportional relationship?A proportional relationship is a type of relationship between two quantities in which they maintain a constant ratio to each other. This means that if one quantity is multiplied by a certain factor, the other quantity will also be multiplied by the same factor.
The equation that defines the proportional relationship is given as follows:
y = kx.
In which k is the constant of proportionality, representing the increase in the output variable y when the constant variable x is increased by one.
The constant for each person, representing the velocity, is given as follows:
Tyler: 6/4 = 3/2 = 1.5.Aubri: 3/2 = 1.5.Kyote: 5/4 = 1.25.Missing InformationThe problem asks for the person who has the fastest speed.
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help asapp!!!!!!!!!!!!!
The total length of the cross-country course include the following: 16 miles.
How to calculate the perimeter of a rectangle?In Mathematics and Geometry, the perimeter of a rectangular shape such as a parallelogram can be calculated by using this mathematical expression;
P = 2(L + B)
Where:
P represent the perimeter of a rectangle.B represent the breadth of a rectangle.L represent the length of a rectangle.By substituting the given side lengths into the formula for the perimeter of a rectangular shape, we have the following;
P = 2(L + B)
P = 2(6 + 2)
P = 2(8)
P = 16 miles.
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Complete Question:
A cross-country course is in the shape of a parallelogram with a base of length 6 mi and a side of length 2 mi.
What is the total length of the cross-country course?
Answer: The total length of the cross-country course include the following: 16 miles.
How to calculate the perimeter of a rectangle?
In Mathematics and Geometry, the perimeter of a rectangular shape such as a parallelogram can be calculated by using this mathematical expression;
P = 2(L + B)
Where:
P represent the perimeter of a rectangle.
B represent the breadth of a rectangle.
L represent the length of a rectangle.
By substituting the given side lengths into the formula for the perimeter of a rectangular shape, we have the following;
P = 2(L + B)
P = 2(6 + 2)
P = 2(8)
P = 16 miles.
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Complete Question:
A cross-country course is in the shape of a parallelogram with a base of length 6 mi and a side of length 2 mi.
What is the total length of the cross-country course?
Step-by-step explanation:
five cores are removed from a new section of an asphalt highway. the following percentages of air voids were obtained from laboratory analyses: 3.7, 4.5, 4.1, 4.7, 3.9. past studies have suggested that the standard deviation of the air void content is 0.5%. compute the 95%, two-sided confidence interval on the mean
The two sided confidence interval on mean is 3.56 and 4.80.
What is confidence interval?
The proportion of probability, or certainty, that the confidence interval would include the real population parameter when a random sample is drawn numerous times is referred to as the confidence level.
The given data is 3.7, 4.5, 4.1, 4.7, 3.9. Here n = 5
=> σ = 1- 95% = 5% = 0.05
We know that the confidence interval is
=> CI = [tex]\overline x {\displaystyle \pm }\frac{z(\sigma)}{\sqrt n}[/tex]
Here 95% confidence level so z= 1.96
Mean [tex]\overline x = \frac{3.7+4.5+4.1+3.9+4.7}{5} = 4.18[/tex] and σ = 0.5
Here n<30 so we can use t instead of z then t-value = 2.776.
Now confidence level CI = [tex]\ 4.18 {\displaystyle \pm }\frac{2.776\times0.5}{\sqrt 5}[/tex]
=> CI = 4.18 [tex]\display \pm[/tex] 0.62 = ( 3.56 , 4.80)
Hence the two sided confidence interval on mean is 3.56 and 4.80.
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A recipe says that 6 spring rolls will serve 3 people. How many people will 1 spring roll serve
Answer:
Step-by-step explanation:
the answer will be 2
Answer:
2 people
Step-by-step explanation:
6/3 = 2
Helping in the name of Jesus.
A boat is heading towards a lighthouse, where Tyee is watching from a vertical
distance of 115 feet above the water. Tyee measures an angle of depression to the boat
at point A to be 15°. At some later time, Tyee takes another measurement and finds
the angle of depression to the boat (now at point B) to be 50°. Find the distance from
point A to point B. Round your answer to the nearest foot if necessary.
In the given problem, the distance from point A to point B is approximately 658 feet (rounded to the nearest foot).
How to Calculate the Distance?Let's define some variables:
Let h be the height of the lighthouse (given as 115 ft).Let d be the distance from Tyee to point A.Let x be the distance from Tyee to point B.Using trigonometry, we can write the following equations:
For triangle ACT, we have:
tan(15°) = h/d
For triangle BCT, we have:
tan(50°) = h/(d+x)
We want to find the value of x, so let's rearrange the second equation:
tan(50°) = h/(d+x)
tan(50°)*(d+x) = h
d+x = h/tan(50°)
x = h/tan(50°) - d
Substituting the given values:
x = 115/tan(50°) - d
Now we need to find the value of d. For that, we can use the first equation:
tan(15°) = h/d
d = h/tan(15°)
Substituting the given value:
d = 115/tan(15°)
Now we can substitute both values into the equation for x:
x = 115/tan(50°) - 115/tan(15°)
Using a calculator, we get:
x ≈ 658.4 ft
Therefore, the distance from point A to point B is approximately 658 feet (rounded to the nearest foot).
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Can someone PLEASE help me ASAP? It’s due today!! I will give you brainliest if it’s correct
Let's order them from most likely to least likely to occur:
Baseballs (0.3)Basketballs (0.24)Volleyballs (0.2)Soccer balls (0.16)Footballs (0.1)How to solveTo calculate the probability of selecting each type of ball, we need to find the total number of balls in the bin first.
Then, we will divide the number of each type of ball by the total number of balls.
Total number of balls = 15 baseballs + 12 basketballs + 8 soccer balls + 5 footballs + 10 volleyballs
Total number of balls = 50 balls
Now, let's calculate the probability of selecting each type of ball:
Baseballs: P(Baseballs) = (Number of baseballs) / (Total number of balls) = 15/50 = 0.3
Basketballs: P(Basketballs) = (Number of basketballs) / (Total number of balls) = 12/50 = 0.24
Soccer balls: P(Soccer balls) = (Number of soccer balls) / (Total number of balls) = 8/50 = 0.16
Footballs: P(Footballs) = (Number of footballs) / (Total number of balls) = 5/50 = 0.1
Volleyballs: P(Volleyballs) = (Number of volleyballs) / (Total number of balls) = 10/50 = 0.2
Now, let's order them from most likely to least likely to occur:
Baseballs (0.3)Basketballs (0.24)Volleyballs (0.2)Soccer balls (0.16)Footballs (0.1)Read more about probability here:
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What type of triangle is shown below?
Answer:
equalateral
Step-by-step explanation:
each side is equal to the next
Answer:
2. Equilateral
Step-by-step explanation:
Step 1: Process Of Elimination-
1. Right: No
This triangle is not a right triangle because it does not have a right triangle indicator nor does it equal 90°.
2. Equilateral: Yes
This triangle is an equilateral triangle because all 3 sides are equal and they add up to 180° meaning each side equal 60°.
3. Acute: No
A acute triangle is a triangle that is less then 90° but this triangle equals 180°.
4. Scalene: No
A scalene triangle is a triangle that has different side angles but they all add up to 180° but here we can see that the sides are equal.
A pyramid and a coke have the same base, area, slant height, and surface area. If the perimeter of the base of the pyramid is 314 centimeters, what is the radius of the cone
If the perimeter of the base of the pyramid is 314 centimeters, then radius of the cone is approximately 17.44 centimeters.
What is perimeter?Perimeter is a measurement of the distance around the outside of a two-dimensional shape. It is the sum of the lengths of the shape's sides.
Since the pyramid and cone have the same base and slant height, they are similar geometric figures. Therefore, their corresponding dimensions are proportional. Let's denote the radius of the cone as r.
Since the perimeter of the base of the pyramid is 314 centimeters, and the base of the pyramid is a square, we can find the length of one side of the square base by dividing the perimeter by 4:
Length of one side = Perimeter / 4 = 314 cm / 4 = 78.5 cm
Since the pyramid and the cone have the same area of the base, and the base of the pyramid is a square, we can find the area of the base by squaring the length of one side:
Area of the base = (Length of one side)² = (78.5 cm)²= 6,152.25 cm²
Since the pyramid and the cone have the same surface area, we can use the formula for the surface area of a cone to find the radius of the cone:
Surface area of the cone = πr(r + l), where l is the slant height.
The surface area of the cone is equal to the surface area of the pyramid, so we have:
πr(r + l) = 2 × Area of the base + Perimeter × l
Substituting the known values, we get:
πr(r + 13) = 2 × 6,152.25 cm² + 314 cm × 13 cm
Simplifying and solving for r, we get:
πr² + 13πr - 4,059.5 = 0
Using the quadratic formula, we find:
r ≈ 17.44 cm (rounded to two decimal places).
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3×+9×=6×+42 solve for ×
Answer:
x=7
Step-by-step explanation:
First, try to bring all your X's together
3x+9x=6x+42
12x=6x+42
-6x -6x
6x=42
/6 /6
x = 7
Please Answer!!
After t years, the rate of depreciation of a car that costs $20,000 is 25%. What is the
value of the car 2 years after it was purchased?
[tex]\qquad \textit{Amount for Exponential Decay} \\\\ A=P(1 - r)^t\qquad \begin{cases} A=\textit{current amount}\\ P=\textit{initial amount}\dotfill &20000\\ r=rate\to 25\%\to \frac{25}{100}\dotfill &0.25\\ t=\textit{elapsed time}\dotfill &2\\ \end{cases} \\\\\\ A = 20000(1 - 0.25)^{2} \implies A=20000(0.75)^2\implies A = 11250[/tex]
Which of the following equations is the best model for a line of fit for the data?
An equation that is the best model for a line of best fit for the data include the following: C. y = 3/4x + 5.
How to write an equation of the line of best fit for the data set?In order to determine an equation for the line of best fit that models the data points contained in the graph (scatter plot), we would have to use a graphing calculator (Microsoft Excel).
Based on the scatter plot (see attachment) which models the relationship between the x-values and y-values, an equation for the line of best fit is given by
y = 3x/4 + 5
In conclusion, we can reasonably infer and logically deduce that the scatter plot most likely indicates a linear relationship between the x-values and y-values.
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Complete Question:
Which of the following equations is the best model for a line of fit for the data?
y= 1/4x + 5.
y= -1/4x + 5.
y= 3/4x + 5.
y= -3/4x + 5.
Carlos has scored 24, 19, 20, and 28 points in his four basketball games so far. How many points does he need to score in the next game so that his average (mean) is 24 points per game?
Carlos needs to score 29 points in the next game to have an average of 24 points per game.
What is the mean and standard deviation?The standard deviation is a summary measure of the differences of each observation from the mean. If the differences themselves were added up, the positive would exactly balance the negative and so their sum would be zero. Consequently, the squares of the differences are added.
According to the given information:Let x be the number of points Carlos needs to score in the next game to have an average of 24 points per game.
To find the solution, we can use the formula for the mean of a set of numbers:
(mean) = (sum of numbers) / (number of numbers)
In this case, we want the mean to be 24, and we have 5 numbers (4 previous game scores and the score in the next game), so:
24 = (24 + 19 + 20 + 28 + x) / 5
Multiplying both sides by 5, we get:
120 = 91 + x
Subtracting 91 from both sides, we get:
x = 29
Therefore, Carlos needs to score 29 points in the next game to have an average of 24 points per game.
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What is the value of x in the product of powers below
6 (to the power of 9) • 6 (to the power of X) = 6 (to the power of 2)
-11
-7
7
11
Pls help
Answer: 7
Step-by-step explanation:
Step 1: 6^9 * 6^x = 6^2
Step 2: 9 + x = 2
Step 3: x = 2 - 9
Step 4: x = -7
Step 5: Since the power of a number cannot be negative, x must be 7.