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2 years ago

How to find surface area of prisms

Mathematics

1 answer:

s344n2d4d5 [400]2 years ago

4 0

Answer:

Step-by-step explanation:

The formula for the surface area of a prism is obtained by taking the sum of (twice the base area) and (the lateral surface area of the prism). The surface area of a prism is given as S = (2 × Base Area) + (Base perimeter × height) where "S" is the surface area of the prism.

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Determine which value best represents each point on the number line below?

DaniilM [7]

A= 0.5 B=1 C=2.5 D=3.5

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3 years ago

A line that includes the points ( - 2, - 9) and ( - 6,n) has a slope of - 1. What is the value of n?

Genrish500 [490]

Write out the slope formula:

m = (change in y) / (change in x)

Here,

m = n-(-9) / (-6-(-2)) = (n+9 / (-4)

Now set this slope equal to -1 and solve the resulting equation for n:

(n+9) / (-4) = - 1, or (n+9) / 4 = 1, or n+9 = 4. Then n = -5.

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3 years ago

Find the value of x required for

Inessa05 [86]

Answer:

Step-by-step explanation:

See attachment

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2 years ago

danielle wants to know how fast her rose garden will grow. Right now, her roses are 3 3/8 inches tall. If her roses grow 5/8 of

KATRIN_1 [288]

Answer: The answer is minimum 33 days.

Step-by-step explanation: Given that Daniel has a beautiful rose garden and she wants to know how fast her rose garden will grow. Also given that

Height of her roses at present is given by

$h_p=3\dfrac{3}{8}=\dfrac{27}{8}~\textup{inches}.$

And, height of the roses that increases each day is

$h_d=\dfrac{5}{8}~\textup{inches}.$

We need to find the number of days in which her roses will be a height of minimum 24 inches.

Let, 'x' be the number of days taken by the roses to be minimum 24 inches tall.

So, we have

$h_p+h_dx\geq 24\\\\\Rightarrow \dfrac{27}{8}+\dfrac{5}{8}x\geq 24\\\\\Rightarrow 27+5x\geq 192\\\\\Rightarrow 5x\geq 165\\\\\Rightarrow x\geq 33.$

Thus, the roses will take minimum of 33 gays attain a height of no less than 24 inches.

3 0

3 years ago

Ethan has a collection of 1,500 pennies. of these pennies, 15% are dated before 1980, 45% are dated from 1980 to 2000, and the r

Georgia [21]

Answer:

Hello!!

If Ethan has a collection of 1,500 pennies, and of these pennies, 15% are dated before 1980, 45% are dated from 1980 to 2000, and the rest are dated after 2000

There are 600 pennies in Ethan's collection dated after 2000

Step-by-step explanation:

$1500$ × $0.15=225$ pennies