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Alinara [238K]
2 years ago
12

Boxes of bouncy balls with 500 balls are sold to stores for $75.00. One store sells them to customers for 35 cents each. What is

the difference between the unit buying price and the
selling price?
Mathematics
1 answer:
Contact [7]2 years ago
3 0

Answer:

.20

Step-by-step explanation:

75/500 = .15

35-15=20

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Find the equation of the line through the points (-9,6) and (1,27).
bulgar [2K]

The equation of a line in the slope intercept form is expressed as

y = mx + c

where

m represents slope

c represents y intercept

The formula for calculating slope is expressed as

m = (y2 - y1)/(x2 - x1)

From the information given, the line passes through an initial point of (- 9, 6) and (1, 27). This means that

x1 = - 9, y1 = 6

x2 = 1, y2 = 27

By substituting these values into the slope formula, we have

m = (27 - 6)/(1 - - 9) = 21/(1 + 9) = 21/10

We would find the y intercept by substituting m = 21/10, x = - 9 and y = 6 into the slope intercept equation. We have

6 = 21/10 * - 9 + c = - 189/10 + c

c = 6 + 189/10 = 249/10

By substituting m = 21/10 and c = 249/10 into the slope intercept equation, the equation of the line is

y = 21x/10 + 249/10

In decimal form, the equation of the line is

y = 2.1x + 24.9

3 0
1 year ago
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Describe a way to find points that divide a segment into fourths.
velikii [3]
You must be given with the point of the whole line. Knowing that you would have 4 equal parts, there must be 5 divisions. The first thing to do is find the midpoint of the endpoints of the line to create a mid-partition. You now have 2 equal parts. Next, find the midpoint again for the 2 equal parts. You make 2 new parts again for each side. The total would be 4.

To find the midpoint, just find the average of the corresponding x- and y-coordinates of the 2 points. If point A(1,2) and point B is (3,4), the midpoint would be (2, 3).

7 0
4 years ago
Help!!! Need ASAP before 11:59 PM tonight!! Math help on angles
devlian [24]

Answer:

122,122,58,58

Step-by-step explanation:

8 0
2 years ago
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Which methods could you use to calculate the y-coordinate of the midpointof a vertical line segment with endpoints at (0,0) and
vodka [1.7K]

Answer:

y-coordinate of midpoint of line segment joining the endpoints (0,0) and (0,15) is 7.5

Step-by-step explanation:

Given two end points of line segment that are (0,0) and (0,15). If we have to find the y-coordinate of midpoint of a vertical line segment then we apply mid point formula.

The Midpoint formula is used when one is need to find the exact center point between two given points.

The mid point M of line segment A(x_{1},y_{1}) and  B(x_{2},y_{2}) can be calculated as

M(\frac{x_{1}+x_{2}}{2},\frac{y_{1}+y_{2}}{2})

Mid point of line joining the end points (0,0) and (0,15) is

M(\frac{0+0}{2},\frac{0+15}{2})=M(0,7.5)

Hence, y-coordinate of midpoint of line segment joining the endpoints (0,0) and (0,15) is 7.5

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4 years ago
GEOMETRY Find the volume of the figure
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