What is the order of steps to calculate the volume of a prism

Mathematics

2 answers:

Alik [6]2 years ago

7 0

Answer:

$v = \frac{1}{2} \times length \times width \times height \\ \: \: \: \: = \frac{1}{2} \times the \: \: area \: \: of \: \: \: the \: \: breath \times height$

hope this helps you...!

SVEN [57.7K]2 years ago

4 0

Answer:

volume of a triangular prism: use the equation V = ½ × length × width × height, or V = the area of the base × the height and that might work with many shapes. Find the area of the base: ½ × the length and width then locate the height, and multiply the height by the area of the base.

Step-by-step explanation:

hope this helps!

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Evan spent 20 hours doing homework last week. This week he spent 25 hours doing homework. He says that he spent 125% more time d

pogonyaev

Answer:

He isn't correct. He spent 25% more time this week than the previous one.

Step-by-step explanation:

We will make proportion.

first week 20 hours is 100%

second week 25 hours is x%

20 : 25 = 100 : x

When we multiply external and internal members we get:

20x =25 · 100 => x = 2500/20 = 125%

We conclude the following:

Evan spent 125% of the time in hours compared to the last week or Evan spent 25% more time this week than the previous one.

God with you!!!

7 0

2 years ago

9x-2y=-21 2x+3y=16 Substitution

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$9x-2y=-21 \\\\ 9x=-21+2y \\\\ => \boxed{x=\frac{2y-21}{9}} \\\\ 2x+3y=16 \\\\ 2*\frac{2y-21}{9}+3y^{(9}=16^{(9} \\\\ 2(2y-21)+27y=144 \\\\ 4y-42+27y=144 \\\\ 31y=144+42 \\\\ 31y=186 \\\\ \boxed{y=\frac{186}{31}=6} \\\\ x=\frac{2*6-21}{9} \\\\ x=\frac{12-21}{9} \\\\ x=\frac{-9}{9} \\\\ \boxed{x=-1}$