The most appropriate graphical representation for the grams of fiber from 1,000 different breakfast cereals sold in the United States is given as follows:
Histogram, because there is a large set of data.
What is the histogram of a data-set?A histogram is a graphical representation of the distribution of numerical data. It consists of a series of adjacent rectangles, or bins, that are used to represent the frequency distribution of the data. The height of each bin corresponds to the number of data points that fall within a particular range or interval.
For this problem, we have that each bin will represent the number of observations in an interval of grams of fiber.
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Suppose in a quadratic-linear system of equations the vertex of the parabola intersects the line. Which of the following would represent the solution to the system of equations? A. the x-value of the vertex B. the y-value of the vertex C. the x- and y-values of the vertex D. cannot be determined
Answer:
C.
Step-by-step explanation:
The vertex and the point of intersection is just one point identifiied by its x and y vlaues
Which shape is a parallelogram with 4 right angle? 50 points
Answer: Square
Step-by-step explanation:
A square has 4 parallel sides and has 4 90 degree angles
Write an exspression for ''h less than 13''
Answer:h<13
Because h has to be less than 13, so h<13 is the correct answer
Step-by-step explanation:
Answer:
it could either be h<13 or 13-h depending on what you're studying
a pencil costs as much as two erasers, and three erasers cost as much as 2 lollipops. which is more expensive, two pencils or three lollipops?
Three lollipops are more expensive than two pencils.
Given that three erasers cost as much as 2 lollipops.
Let e denote the cost of an eraser and l denote the cost of a lollipop.
A pencil costs as much as two erasers, which implies that the cost of a pencil is two times the cost of an eraser. Therefore, the cost of a pencil is 2e.
Likewise, three erasers cost as much as 2 lollipops, which implies that the cost of an eraser is (2/3) l.
Therefore, the cost of a pencil is 4/3 times the cost of a lollipop.
Thus, the cost of two pencils is 4/3 * 2l = 8/3 l.
The cost of three lollipops is 3l.
Now, we must determine whether 8/3 l is greater than 3l or vice versa.
8/3 l = 2.67 l
Since 2.67 l < 3 l, the conclusion is that three lollipops are more expensive than two pencils.
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find the area of this semi-circle with radius, r=68cm. give your answer rounded to 1dp
.........................
Ted and his friends went out to dinner after soccer practice last night. They decided to split the bill evenly among the 5 of them. Including the tip, Ted figured that each person will pay no more than $15.
Answer:
The inequality that describes the problem is given as follows:
x ≤ 75.
How to obtain the inequality?
To describe the inequality in this problem, we need to obtain the upper bound of the total amount that Ted and his friends are expected to spend.
To obtain the upper bound of the total amount, the relevant information is given as follows:
Ted and his friends decided to split the bill evenly among the 5 of them.
Ted figured that each person will pay no more than $15.
Hence the upper bound of the total amount is calculated as follows:
5 x $15 = $75.
The upper bound of $75 means that in total, they are expected to pay at most $75, hence the inequality that describes this problem is given as follows:
x ≤ 75.
I need the area and perimeter!
In the trapezoid , C) Area = 22.5 [tex]mi^2[/tex] , Perimeter = 22.5 mi.
What is area and perimeter?
The region that an object's shape defines as its area. The area of a figure or any other two-dimensional geometric shape in a plane is how much space it occupies.The whole length of a shape's boundary is referred to in geometry as the perimeter of the shape.
Here Base a = 3.5 mi , Base b = 5.5 mi and Height h = 5 mi.
Then Area of the Trapezoid = [tex]\frac{1}{2}[/tex] ( a + b ) h square unit
=> A = [tex]\frac{1}{2}(5.5+3.5)\times5[/tex]
=> A = [tex]\frac{1}{2}\times9\times5[/tex]
=> A = 22.5 [tex]mi^2[/tex]
Now perimeter is sum of all sides of the trapezoid. Then,
=> 3.5+5.5+7.5+6
=> 22.5 mi
Hence the area is 22.5 [tex]mi^2[/tex] and perimeter is 22.5 mi.
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What is the probability of drawing a lettered card from a deck of shuffled 52 cards
The probability of drawing a lettered card from a deck of shuffled 52 cards is 50%.
Calcuating the probability of drawing a lettered cardThere are 52 cards in a deck, and 26 of them are lettered cards (A, K, Q, J, 10, 9, 8, 7, 6, 5, 4, 3, 2) while the other 26 cards are suited cards (clubs, spades, hearts, diamonds).
If the deck is well shuffled, each card is equally likely to be drawn.
Therefore, the probability of drawing a lettered card from a deck of shuffled 52 cards is simply the number of lettered cards divided by the total number of cards:
P(Drawing a lettered card) = Number of lettered cards / Total number of cards
= 26 / 52
= 1/2
= 0.5
Therefore, the probability of drawing a lettered card from a deck of shuffled 52 cards is 0.5 or 50%.
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Find the discriminant.
6y² - 9y + 1 = 0
Submit
Hello and greetings ririleyyyii
The discriminant of 6y² - 9y + 1 = 0 equals 57.
Step-by-step explanation:6y² - 9y + 1 = 0
We identify the coefficients a, b and c of the quadratic equation.
The coefficients of a quadratic equation are the numbers that multiply the variables together with the independent term.
ax² + bx + c = 0
The coefficient a is usually called the leading or main coefficient and multiplies the term x.The coefficient b is usually called the linear coefficient and multiplies the term x.The coefficient c is the independent or constant coefficient.So the coefficients are: a = 6, b = -9, c = 1.
We evaluate the discriminant by substituting a, b and c inside the expression b² - 4ac.
The exercise remains: (-9)² - 4 × 6 × 1
(-9)² - 4 × 6
81 - 4 × 6 = 24, so 81 - 24 = 57
The discriminant of 6y² - 9y + 1 = 0 equals 57.
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Find the inverse function in slope intercept form f(x)=-x+3
So, the inverse function of f(x) = -x + 3 is g(x) = 3 - x, and it is in slope-intercept form. The slope of g(x) is -1 and the y-intercept is 3.
What's inverse function?An inverse function is a function that reverses the operation of another function. More specifically, if f is a function that maps inputs from a set A to labors in a set B, also an inverse function g is a function that maps labors from B back to inputs in A, similar that for any input x in A, applying f and also g (or g and also f) results in the same value. In other words, if f(a) = b, also g(b) = a
by the question.
To find the inverse function of f(x) = -x + 3 in slope-intercept form, we need to solve for x in terms of y.
Start by replacing f(x) with y:
[tex]y=-x+3[/tex]
Now, isolate x on one side of the equation. To do this, we can add x to both sides:
[tex]y+x=3[/tex]
Finally, solve for x by subtracting y from both sides:
[tex]x=3-x[/tex]
So, the inverse function of f(x) = -x + 3 is given by:
[tex]f^{-1}(x)=3-x[/tex]
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select all of the shapes below which are rotations of shape X
Figure 1 and figure 2 below are congruent. Which points corresponds to point r
The point on the image of figure 2 corresponds to point I from Figure 1 is Q, as figure 2 is the image of the figure one after reflection about its origin.
Explain about the reflection about origin:When a figure is constructed around a single point known as the figure's centre, or point of reflection, the result is a point reflection.
Each point in the diagram has an exact opposite point on the other side of the centre, making the point of reflection the middle of the segment connecting the point to its image. Figures do not resize or reshape in the presence of a point reflection.Although any point with in coordinate plane is able to serve as a point of reflection, the origin is the one that is most frequently employed.The x- and y-coordinates are negated when we reflect a point in the origin (their signs are changed).From the two given figures: the figure 2 is the image of the figure one after reflection about its origin.
Thus, the point on the image of figure 2 corresponds to point I from Figure 1 is Q.
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Complete question :
Figure 1 and figure 2 below are congruent. Which points corresponds to point I.
The figure is attached.
the size of obtuse angle of rhombous is twice the size of acute angle of the rhombous if the side length of rhombous is 13cm and length of shorter diagonal is 10cm ,find the size of angle of rhombous,find length of longer diagonal of rhombous? please help me
So the acute angle of the rhombus is 90 degrees, and the obtuse angle is twice as large, or 180 degrees.
The Pythagorean theorem is a fundamental concept in geometry that describes the relationship between the sides of a right triangle. It 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 lengths of the other two sides.
Let's start by finding the length of one half of the longer diagonal. We can use the shorter diagonal (which we know is 10 cm) and the side length (which we know is 13 cm) to form a right triangle. The hypotenuse of this triangle is half of the longer diagonal, so we can solve for it using the Pythagorean theorem:
[tex]a^2+b^2 = c^2 \\(13/2)^2 + 10^2 = c^2\\169/4+100 =c^2 \\ 269/4= c^2 \\c = \sqrt{(269)}/2\\[/tex]
Therefore, the length of one half of the longer diagonal is sqrt(269)/2 cm. To find the full length of the longer diagonal, we just need to double this value:
longer diagonal = [tex]2 \times \sqrt{(269)}/2 = \sqrt{(269)}cm[/tex]
Now, we can use the fact that the sum of the angles in a rhombus is 360 degrees to solve for x:
2x + 2x = 360
4x = 360
x = 90
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Tamara has a box of fruit. There are 2 strawberries for every 3 cherries in the box. If there are 12 cherries in the box, how many strawberries are there?
21
There are 80 students in a class.
Each student walks to school or cycles to school or gets the bus to school.
There are 44 girls in the class.
17 of the girls walk to school.
14 of the boys cycle to school.
12 of the 20 students who get the bus to school are boys.
Find the number of these students who walk to school.
There are 27 students in the class who walk to school.
How many students in the class walk to school?Word problem refers to problem expressed entirely in words typically used as an educational tool.
Given that:
Total number of students in the class: 80
Number of girls in the class: 44
Number of girls who walk to school: 17
Number of boys who cycle to school: 14
Number of boys who take the bus to school: 12
We have to subtract the students who take the bus or cycle from the total number of students first. The number of boys who walk to school will be:
= Total number of boys - Boys who cycle - Boys who take the bus
= (Total number of boys) - 14 - 12
= (80 - 44) - 14 - 12
= 36 - 14 - 12
= 10
To get total number of students who walk to school, we compute as follow. The number of students who walk to school:
= Number of girls who walk to school + Number of boys who walk to school
= 17 + 10
= 27.
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Which of the following are characteristics of a normal distribution?
Select all that apply.
A. Symmetric
B. Unimodal
C. Bimodal
D. Bell-Shaped
E. Mean and Median are equal
F. The Peak is on the left
G. 64% of the data falls within 1 standard deviation of the mean
Answer:
The mean, median and mode are exactly the same.
Step-by-step explanation:
I ( g o o g l e d ) ur answer and gave u it
The characteristics of a normal distribution are Symmetric, Unimodal, Bell-Shaped, Mean and Median are equal.
A. Symmetric: True. A normal distribution is symmetric, meaning the left and right halves of the distribution are mirror images of each other.
B. Unimodal: True. A normal distribution is unimodal, meaning it has a single peak.
C. Bimodal: False. A normal distribution is not bimodal; it has only one mode (peak).
D. Bell-Shaped: True. A normal distribution is bell-shaped, meaning it forms a symmetric, bell-like curve.
E. Mean and Median are equal: True. In a normal distribution, the mean and median are equal, and they both coincide with the highest point of the curve.
F. The Peak is on the left: False. The peak of a normal distribution is at the center; it is not necessarily on the left.
G. 64% of the data falls within 1 standard deviation of the mean: False. In a normal distribution, approximately 68% of the data falls within 1 standard deviation of the mean, not 64%.
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The table compares the average daily temperature and ice cream sales each day.
Temperature (°F) Ice Cream Sales
58.2 $112
64.2 $135
64.3 $138
66.8 $146
68.4 $166
71.6 $180
72.7 $188
76.2 $199
77.8 $220
82.8 $280
What is the slope of the line of best fit, where x represents the average daily temperature and y represents the total ice cream sales? (Round your answer to one decimal place.)
4.2
6.5
8.1
9.1
Using a calculator, the line of best fit for the ice cream sales in the function of the daily temperature is given by:
y = 6.5x - 279.1.
To find the equation, we need to insert the points (x,y) in the calculator. The same is true for any regression equation such as quadratic or exponential. However, as the problem states, a line of best fit is calculated in this problem.
From the table presented in the problem, the points are given as follows:
(58.2, 112), (64.2, 135), (64.3, 138), (66.8, 146), (68.4, 166), (71.6, 180), (72.7, 188), (76.2, 199), (77.8, 220), (82.8, 280).
Inserting these points into the calculator, the line of best fit for the ice cream sales in the function of the daily temperature is given by:
y = 6.5x - 279.1.
Here
x is the daily temperature, in F.
y is the sales, in dollars.
The complete question is-
The table compares the average daily temperature and ice cream sales each day
Temperature ("F) Ice Cream Sales
$112
$135
$138
$146
$166
$180
$188
$199
$220
$280
58.2
642-
64.3
66.8
684
71.6
72.7
76.2
77.8
82.8
Using technology, determine the line of fit, where x represents the average daily temperature and y represents the total ice cream sales. Round values to the nearest tenth
09=38x-1092
09=-38xx-1092
Oý=65x-279.1
O ý= -65x-279.1
and also attached an image of the question.
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Fill in the blanks and find the x.
For the right-angled triangle, the value for x is obtained as √2/4.
What is a right-angled triangle?
Any two sides of a triangle's three sides must always add up to more than the third side since a triangle is a regular polygon with three sides. This distinguishing characteristic of a triangle. A right-angle triangle is one that has angles between its two sides that equal 90 degrees.
A right angle triangle is given.
It has angles 90°, 45° and 45°.
The hypotenuse measures 4√2.
The perpendicular measures x.
In a 45°-45°-90° right triangle, the legs are congruent and the hypotenuse is √2 times the length of a leg.
Therefore, in this triangle, each of the legs has length -
(4√2)/√2 = 4
So x is equal to one of the legs, which is 4.
To fill in the blanks -
x : 4√2 = 1 : 4
4x = 4√2
x = (√2)/4
Therefore, the value for x is obtained as √2/4.
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HELPPPPPP PLEASEEEEEEEE ASAPPPPP
HELP ME PLEASE
is y=4x^2-6x+10 a linear function
Answer:
NO
Step-by-step explanation:
It is a parabola, you can tell cuz of the x^2
:)
Find the length of the missing side. If necessary, round to the nearest tenth. 16 14 b
Pythagorean Theorem can be used to find the missing side that is equal to 21.3.
What is the distance formula?Distance formula states that the distance between two points is equal to the square root of the sum of the squares of the differences of the coordinates.
The missing side can be found by using the Pythagorean Theorem, which states that the square of the length of the hypotenuse (longest side of a right triangle) is equal to the sum of the squares of the lengths of the other two sides.
Therefore, the missing side is equal to the square root of the sum of the squares of the sides we already have:
b² = (16)² + (14)²
= 256 + 196
= 452
b = √452
= 21.3
We can also use the distance formula here.
The distance between (16, 14) and (0, 0) =
√(16² + 14²)
= √(256 + 196)
= √452
= 21.3.
This confirms that the missing side is equal to 21.3.
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Question:
Find the length of the missing side. If necessary, round to the nearest tenth.
21.3
30
15
7.7
(it is a triangle and it has a right angle and you are looking for b and the numbers on the triangle are 16 [this is the longest side and slanted] and 14 [this is straight with no slant)
6. What triangle congruence theorem could you use to
prove triangle ADE is congruent to triangle CBE?
2.
ExPlain how you know
Step-by-step explanation:
The three angles of the triangles are equal ...use A-A-A theorem
Mrs.Carter took her family and friends to the movies. There were a total of 16 people. Children tickets cost $6 and adult tickets cost $9. She spent a total of $129. How many children went to the movies
Answer:
11 adults
Step-by-step explanation:
First, set up a system of equations:
Let x = number of children and y = number of adults
There is a total of 16 people, so x+y = 16. This is your first equation.
Each child ticket costs $6, so 6x = cost of children's tickets based on the number of children present (x)
Each adult ticket costs $9, so 9y = cost of adult's tickets based on the number of adults present (y)
The total cost of tickets is $129, so 6x+9y = 129. This is your second equation.
Your system of equations is now this:
x + y = 16
6x + 9y = 129
You can solve this system using the method of elimination, where we will eliminate the variable x (number of children), since we are focused on y (number of adults).
Multiply the top equation by -6. This will give the following equation:
-6x - 6y = -96
You can now solve the system of equations by placing the new equation under the second equation like this:
6x + 9y = 129
-6x - 6y = -96
Now, add the two equations together.
6x + (-6x) = 0
9y + (-6y) = 3y
129 + (-96) = 33
After doing this, you get the following equation:
3y = 33
As you can see, the variable x has been eliminated, and you are left with y.
Solve the equation for y:
3y = 33
y = 33/3 = 11
y = 11 adults
The size of the largest angle in a triangle is double the size of the smallest angle. the other angle is 20° greater than the smallest angle.
work out the size of each angle in the triangle
Answer:
40, 60 and 80.
Step-by-step explanation:
Let x = t he size of the smallest angle
x + 2x + x + 20 = 180 The sum of the interior angles of a triangle is 180
4x + 20 = 180 Subtract 20 from both sides
4x = 160 Divide both sides by 4
x = 40
The smallest angle is 40. The largest angle is 80. The other angle is 60. The total is 180
Helping in the name of Jesus.
Find the shaded area.
Hint: Break the figure into simpler shapes, find the area of each shape, and then add all together.
Total area of the composite figure = ____ mm2
According to the given figure, the area of the shaded region in the shape is 49.5mm2.
Explain area?The total area of every one of the shapes which cover an object's surface is known as its surface area. The length and width of this type of rectangle are multiplied to determine its area.
To solve the following question we first need to separate the single shape into two according to the shapes given
Therefore we have two shapes with us, i.e., rectangle and triangle.
First of all, we need to calculate the area of both the shares separately:
Firstly, area of the rectangle, formula is:
Area = length x width
By entering the length and width values,
Area of rectangle= 7 x6
Area of rectangle= 42 mm2
Now, we need to calculate the area of the second shape, that is, triangle,
Triangle area is equal to height x base / 2.
Now, by putting values in the formula:
Area of triangle=3 x 5 / 2
Area of triangle= 15/2
Area of triangle= 7.5 mm2
Therefore, the area of the shaded region:
Area = (rectangular area + triangular area)
Area = 42 + 7.5
Area = 49.5 mm2
Therefore, the area of the shaded region of the shape given is 49.5 mm2.
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Avery puts up a radio antenna tower in his
yard. Ella tells him that their city has a law
limiting towers to 50 ft in height. How can
Avery use the lengths of his shadow and the
shadow of the tower to show that his tower is
within the limit without directly measuring it.
Step-by-step explanation:
Using similar triangles:
6ft height is to 5 feet shadow as tower height is to 40 ft tower shadow
6/5 = h / 40 <====solve for 'h'
40 * 6/5 = h = tower height = 48 feet tower height
Sarah and Gavyn win some money and share it in the ratio 5:3. Sarah gets £14 more than Gavyn. How much did Gavyn get?
When Sarah and Gavyn win money, they divide it in a 5:3 ratio.If Sarah gets £14 more than Gavyn, Gavyn gets £21.
Let's call the amount of money that Sarah and Gavyn win "x".
According to the problem, they share the money in the ratio 5:3, which means that Sarah gets 5 parts and Gavyn gets 3 parts.
Let's call the amount of money that Gavyn gets "y". Then, we know that:
Sarah gets £14 more than Gavyn, which means that Sarah's share is y + £14.
We can set up an equation to represent the fact that the ratio of their shares is 5:3:
5/3 = (y + £14)/y
To solve for y, we can cross-multiply:
5y = 3(y + £14)
5y = 3y + £42
2y = £42
y = £21
Therefore, Gavyn gets £21.
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In a jar , there are 4 blue marbles, 3 green marbles, 7 red marbles and 2 white marbles. Find p(g)
The probability of selecting a green marble from a jar containing 4 blue marbles, 3 green marbles, 7 red marbles, and 2 white marbles is 0.1875 or 18.75%.
To find p(g), we need to first determine the total number of marbles in the jar, and then determine the number of green marbles in the jar.
Total number of marbles = 4 blue marbles + 3 green marbles + 7 red marbles + 2 white marbles = 16 marbles.
Number of green marbles = 3.
So p(g) = number of green marbles / total number of marbles = 3 / 16.
Therefore, p(g) = 0.1875 or 18.75%.
Therefore, Choosing a green marble from a container holding 4 blue marbles, 3 green marbles, 7 red marbles, and 2 white marbles has a probability of 0.1875 or 18.75%.
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ell whether the angles are complementary or supplementary. Then find the value of x
Answer:
These angles are complementary and congruent, so x = 15.
Step-by-step explanation:
[tex]3x + 45 = 90[/tex]
[tex]3x = 45[/tex]
[tex]x = 15[/tex]
what is the f-1(x) ?
Answer:
(9x)/(2-2x)
Step-by-step explanation:
let f-1(x) = y
then, f(y) = x
so, (2y)/(9+2y) = x
***remember the thing inside the () in f(x) can change! y can go in x's place, any number or any other variable can go in x's place! BUT, nothing else can be changed in the function***
now just solve for y!
multiply both sides by (9+2y): 2y = 9x + 2xy
bring the y's together (subtract both sides): 2y-2xy =9x
hey! we can factor the left side (where the y's are): 2y(1-x) = 9x
get all the x's together (divide both sides) : 2y = (9x)/(1-x)
get y alone (divide both sides by 2): (9x)/(1-x) * (1/2)
*finally* distribute/simplify: (9x)/(2-2x)
you can double-check the answer on desmos!
~ lmk if u got Qs :>