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Alenkasestr [34]
3 years ago
11

A survey was done that asked people to indicate whether they preferred running outdoors or running indoors. The results of the s

urvey are shown in the two-way table.
Amir is making a relative frequency table from this data.

What operation should Amir perform to determine the relative frequency of a person age 30 and younger who prefers to run outdoors?



Divide 382 by 1027.

Add 681 to 1027, then divide by 1027.

Subtract 382 from 1027, then divide by 1027.

Divide 681 by 1027.

Mathematics
1 answer:
Len [333]3 years ago
6 0
The first one, my friend.
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Sophie [7]

Answer:

16

Step-by-step explanation:

8/4 = 2  so each bulb costs $2

To find how many bulbs you can buy with $32, divide 32 by 2 = 16

5 0
2 years ago
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1<br> If ZA and ZB are complementary angles and mA = 60°, then m B =?
yarga [219]

Answer:

30 degrees

Step-by-step explanation:

Because the angles are complementary, they MUST equal to 90 degrees

Because measure of Angle A = 60, then the measure of Angle B = 30, because 60 + 30 = 90 degrees

3 0
3 years ago
A cylinder has radius r and height h. a. How many times greater is the surface area of a cylinder when both dimensions are multi
kondor19780726 [428]
To find it directly

A = 2 pi r h

A is proportional to rh

factor 2

A is multiplied by 2 * 2 = 4

factor 3

3 * 3 =9

factor 5

5 * 5 = 25

factor 10 

10 * 10 = 100

(b) the increase in A by factor x is x^2

c(20)^2 = 400 
3 0
3 years ago
Which equation represents the line that passes through the points (-3, 7) and (9,-1)? oy--3x+5 o y=-x-7 o y=zx-7 oy - 12 2x+5​
nekit [7.7K]

Answer:

use the slope equation (y2-y1) / (x2 -x1). plug in values and solve

(-1 -7) / (9 -(-3)) (subtracting a negative is the same as adding a positive)

-8 / 12 (simplify)

m = -2/3

then, plug in one of the points and the slope into the slope-point equation.

(y - y1) = m (x - x1) (the point-slope form)

y - 7 = -2/3( x - (-3)) (plug in the slope and point 1 values, then solve)

y - 7 = -2/3x - 2 (add 7 to both sides)

y = 2/3x +5 (the answer)

Step-by-step explanation:

I hope this helps :))

4 0
3 years ago
How do you solve for 3x-3=9
Brrunno [24]

Answer:

x=4

Step-by-step explanation:

3x-3=9

   +3=+3

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3x=12

divide both sides by 3

leaving x by itself

12/3=4

x=4

5 0
3 years ago
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