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Serhud [2]
3 years ago
13

15% of 20 is _____.

Mathematics
2 answers:
Mumz [18]3 years ago
7 0
3




ignore short answer
aleksley [76]3 years ago
5 0
To find this:

15/100*20 =
3/20*30 =
3


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The average life span of a lynx is
dangina [55]

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20

Step-by-step explanation:

3/4 = 75%

15 ÷ 75% = 20

15 is 75% of 20.

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What is the volume of the​ cylinder? Use 3.14 for .<br> 4 cm<br> 11 cm
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Use the formula,

Volume of cylinder =πr²h

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3 0
2 years ago
A machine prints 8 banners in 120 seconds.How many seconds does it take to print one banner?
Effectus [21]

Answer:

15 seconds

Step-by-step explanation:

120/8=15

7 0
3 years ago
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Every evening Jenna emptied her pocket and put your change in a jar at the end of the week she counts her money one week she had
Lelu [443]

Answer:

Jenna had 25 quarters and 15 dimes.

Step-by-step explanation:

Let Q = the number of quarters and D = the number of dimes.

Then:

1) Q+D = 40 "One week she had 40 coins, all of them dimes and quarters...."

2) 0.25Q+0.1D = $7.75 "...she had a total of $7.75."

Rewrite equation 1) as: D = 40-Q and substitute into equation 2).

2a) 0.25Q+0.1(40-Q) = 7.75 Simplify the left side.

 

2b) 0.25Q+4-0.1Q = $7.75 Subtract 4 from both sides.

2c) 0.25Q-0.1Q = 3.75 Combine the like-terms on the left side.

2d) 0.15Q = 7.75 Divide both sides by 0.15

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D = 40-25

D = 15

Jenna had 25 quarters and 15 dimes.

3 0
3 years ago
I need help with number 5 please
JulsSmile [24]
C(t) = $2t + $8

This tells us that the basic cost of the pizza is $8, with no toppings, and that each topping costs an additional $2.

To graph this, plot a dot at (0,$8).  Now move y our pencil point 1 unit to the right and then 2 units up.  Plot a dot at this new location.  Now draw a straight line connection (0, $8) and this new location (which is   (1, $10)  ).

5 0
3 years ago
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