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andreyandreev [35.5K]
2 years ago
13

1.

Mathematics
1 answer:
Evgesh-ka [11]2 years ago
4 0

lefa40 aman20

Chiasốxoàiira10p ha ần   xài

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Find the volume of the prism in cumbic centimeters
VLD [36.1K]

Answer:

351cm³

step by step explanation:

Volume of the prism:

=[1/2×(a+b)×h]×l

=[1/2×(5+8)×6]×9

=(1/2×13×6)×9

=(6.5×6)×9

=39×9

=351cm³

7 0
3 years ago
Calculate the interest
Masja [62]

Answer:

120$

Step-by-step explanation:

as we know the formula to calculate i is (ptr)/100

so i =(1000×6×2)/100

=(12000)/100

=120$

5 0
3 years ago
A person that weighs 150 pounds on earth would weigh 50 pounds on mars. how much would a person that weighs 60 pounds on earth w
Schach [20]
150 lbs on Earth is equal to 50 pounds on Mars

60 lbs on Earth is equal to _____

Set up a proportion.

\frac{150}{50}  =   \frac{60}{?}
Cross multiply.

50 \times 60 = 3000
3000 \div 150 = 20
The person would weigh 20 lbs on Mars.
3 0
3 years ago
Read 2 more answers
Simplify completely x^2+4x-5/5x^2-8x+3
arlik [135]

Answer:

\boxed{\bold{\frac{x+5}{5x-3}}}

Explanation:

[ Step One ] Factor \bold{x^2+4x-5}

\bold{x\left(x-1\right)+5\left(x-1\right)}

[ Step Two ] Rewrite Equation

\bold{\frac{\left(x-1\right)\left(x+5\right)}{5x^2-8x+3}}

[ Step Three ] Factor \bold{5x^2-8x+3}

\bold{\left(x-1\right)\left(x+5\right)}

[ Step Four ] Rewrite Equation

\bold{\frac{\left(x-1\right)\left(x+5\right)}{\left(5x-3\right)\left(x-1\right)}}

[ Step Five ] Cancel Out Common Factor \bold{x-1}

\bold{\frac{x+5}{5x-3}}

\boxed{\bold{Mordancy}}

5 0
3 years ago
Find the margin of error for the given values of c, o, and n.
Alika [10]

Using the z-distribution, it is found that the margin of error is of 0.059.

We are given the standard deviation for the population, hence the <em>z-distribution</em> is used.

<h3>What is the margin of error for a z-confidence interval?</h3>

It is given by:

M = z\frac{\sigma}{\sqrt{n}}

In which:

  • z is the critical value.
  • \sigma is the population standard deviation.
  • n is the sample size.

In this problem, the parameters are:

  • \sigma = 0.25, n = 49.
  • Confidence level of 0.90, hence, using a z-distribution calculator, the critical value is z = 1.645.

Then:

M = z\frac{\sigma}{\sqrt{n}}

M = 1.645\frac{0.25}{\sqrt{49}}

M = 0.059

The margin of error is of 0.059.

You can learn more about the z-distribution at brainly.com/question/12517818

4 0
2 years ago
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