3 years ago

What is 15 percent of 20

Mathematics

2 answers:

Varvara68 [4.7K]3 years ago

8 0

Answer:

Step-by-step explanation:

20 times 15%

20 times 0.15

Why can we do this? When a percentage is divided by 100 it becomes a decimal that can be multipled, divided, etc.

UkoKoshka [18]3 years ago

5 0

Answer:

15% of 20=3

Step-by-step explanation:

0.15*20=3

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2000:$5 2015:$6.5 what is the percent change

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Answer:

30%

Step-by-step explanation:

% of change = 100 x (6.5-5)/ | 5 |

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2 years ago

Which is the best estimate of the correlation coefficient for the scatter plot?

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<h3>✽ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ✽</h3>

➷ The best estimate would be B. 0.9

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3 years ago

Read 2 more answers

2. <br> Find m∠F.<br><br> a.30°<br><br> b.60°<br><br> c.15°<br><br> d.10°

Juliette [100K]

Answer:

Step-by-step explanation:

$\sf Sin \ F = \dfrac{Opposite \ of \ angle \ F}{hypotenuse}$

$= \dfrac{9}{18}\\\\= 0.5$

$F = Sin^{-1} \ (0.5)\\$

= 30°

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2 years ago

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Sent a picture of the solution to the problem (s).

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3 years ago

A high-altitude spherical weather balloon expands as it rises, due to the drop in atmospheric pressure. Suppose that the radius

lord [1]

The increase of the radius is a linear increase since we have the constant rate of 0.07 inches per second

The equation for a linear growth/decay is given by the form $y=mx+c$ where $m$ is the rate of increase and $c$ is the value of $y$ when $x=0$

We have
$m = 0.07$
$c=36$ when $t=0$

So the equation is $r=0.07t+36$

The length of the radius when $t=400$ seconds is
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3 years ago