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3 years ago

Find the volume of the cube. 3.2 m

Mathematics

2 answers:

velikii [3]3 years ago

8 0

Answer:

V≈32.77

Step-by-step explanation:

V=a^3=3.2^3≈32.768

ella [17]3 years ago

7 0

Answer:

V = (3.2 m)^3, or 32.8 m^3.

Step-by-step explanation:

The formula for the volume V of a cube of side length s is V = s^3.

If the side length is 3.2 m, then the volume is V = (3.2 m)^3, or 32.8 m^3.

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If Amelia would like to double her money in twelve years, how much interest does she need to earn? 6 percent 12 percent 10 perce

sveticcg [70]

We can assign the value "2x" as the amount of money that Amelia which to achieve in twelve years.
So, his initial money is X.
We can try each percent to test if it could double the amount in 12 years.
x+0.06*12years*x=1.72X
x+0.12*12*x=1.44x
x+0.1*12*x=2.2x
x+0.166*12*x=2.992x

Therefore, the answer is 10 percent.

4 0

2 years ago

A mechanic charges $60 to inspect your heater, plus $70 per hour to work on it. You owe the mechanic a total of $410. Write and

uranmaximum [27]

Answer:

($410 - $60) / $70 = 5

After subtracting the $60 base fee, you can just divide the hours paid for by the hourly wage and find out how many hours were worked. Hope this helps!

5 0

3 years ago

In a study of 799 randomly selected medical malpractice lawsuits, it was found that 499 of them were dropped or dismissed. Use

Mademuasel [1]

Answer:

Claim is true that most medical malpractice lawsuits are dropped or dismissed.

Step-by-step explanation:

Given :In a study of 799 randomly selected medical malpractice lawsuits, it was found that 499 of them were dropped or dismissed.

To Find : Use a 0.05 significance level to test the claim that most medical malpractice lawsuits are dropped or dismissed.

Solution:

n = 799

x = 499

We will use one sample proportion test

$\widehat{p}=\frac{x}{n}\\\widehat{p}=\frac{499 }{ 799}\\\widehat{p}=0.6245$

We are given that the claim is most medical malpractice lawsuits are dropped or dismissed.

Probability of dropped or dismissed is 1/2

$H_0:p=0.5\\H_a:p>0.5$

Formula of test statistic = $\frac{\widehat{p}-p}{\sqrt{\frac{p(1-p)}{n}}}$

= $\frac{0.6245-0.5}{\sqrt{\frac{0.5(1-0.5)}{799}}}$

= 7.038

p value (z>7.038) is 0

α =0.05

So, p value < α

So, we reject the null hypothesis

So,claim is true

Hence most medical malpractice lawsuits are dropped or dismissed.

6 0

2 years ago

A common tub is 54 inches long. What could be its length in centimeters? (1 inch = 2.54 cm)

ddd [48]

Answer:

137.16 cm

Step-by-step explanation:

its jus multiplication so 54in x 2.54cm

5 0

2 years ago

−x+10=−5<br><br> Please help and include step by step.

sergey [27]

Step by Step:

Step 1.) Subract 10 from both sides.

Step 2.) Divide each side by one

answer: x=15

3 0

3 years ago

Read 2 more answers