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11Alexandr11 [23.1K]
3 years ago
11

At a local print shop, 10 copies can be made for $4. At this rate, how how many copies

Mathematics
2 answers:
levacccp [35]3 years ago
5 0

Answer:

85 copies

Step-by-step explanation:

Number of copies for $4 = 10

Number of copies for $1 = 10 ÷ 4

Number of copies for $34 = \frac{10}{4}*34

                  = 5*17

                   = 85 copies

torisob [31]3 years ago
3 0

Answer:

85 copies

Step-by-step explanation:

use the comparison method

no. of copies. $

10 4

x. 34

4x = 34×10

x= 340/4

x= 85

the value of x is 85

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45% of 20 is going to be 9
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A beach ball has a diameter of 18 inches. What is the approximate volume, rounded to the nearest whole number, of the Inflated b
Ivenika [448]

Answer:

The volume of the inflated beach ball is 13734in³

Step-by-step explanation:

We know that the formula to calculate the volume of a sphere is

v = 3/4 * π * r³

π = 3.14

r = 18in

we replace the values ​​and calculate the volume of a sphere

v = 3/4 * 3.14 * (18in)³

v = 3/4 * 3.14 * (5832in³)

v = 13734.36 in³

the nearest whole number

13734in³

6 0
3 years ago
Please help me with this fast, because i don't understand it ​
qaws [65]

Answer:

3/4

Step-by-step explanation:

f(0) - f(3) / 0 - 3

f(0) = -4

f(3) = 9/4 - 16/4  = -7/4

f(0) - f(3) = [-4 - (-7/4)]

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f(0) - f(3) = -9/4

-9/4 ÷ -3  =  -9/4 · -1/3  =  3/4

3 0
3 years ago
Find the surface area of the rectangular prism. SA = sum of all 6 sides
wolverine [178]

Answer:

10*5 = 50

10*4 = 40

5 * 4 = 20

The total is 110 but we can't forget there are 2 sides to each of those planes and so the area = 220 square meters

Step-by-step explanation:

7 0
3 years ago
The diagonals of rectangle ABCD intersect at point E. If AE = 2x + 5, and BD = 5x + 2, what is AC?
Mkey [24]

<u>C. 42 units</u>

Step-by-step explanation:

I have attached a diagram to help you understand this problem. By looking at the diagram you can see that AE is half of BD, and that BD will be equal to AC. So we need to figure out the length of line BD to get AC.

To do this, you will multiply the length of AE by 2 and set it equal to BD.

2(2x+5)=5x+2

Then distribute, multiply what is in the parentheses by 2.

4x+10=5x+2\\\\

Subtract 4x from both sides.

10=1x+2

Subtract 2 from both sides.

8=1x

x = 8

Now that we have x, we can plug it into the equation to find BD.

5 * 8 + 2=42

BD is equal to 42 units, so we know...

<u><em>AC = 42 units</em></u>

4 0
3 years ago
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