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4 years ago

What is the surface area of the equilateral triangular prism? A) 51 cm2 B) 56 cm2 C) 62 cm2 D) 67 cm2

2 answers:

5 0

To find the surface area I need the sides but here are some steps on how to solve it.

First, substitute the given values into the formula. Then, multiply the sum of the triangle sides by the height of the prism (H) and add the values together for the answer, making sure to include the appropriate unit of measurement.

ELEN [110]4 years ago

3 0

You have to give some info about the prism

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6 0

3 years ago

Read 2 more answers

LAST ONE! PLEASE HELP! WILL MARK BRAINLIEST!

garri49 [273]

Answer:

Part A) the direct variation equation that relates x and y is:

$y= -5x$

Part B) value of y = 75

Step-by-step explanation:

Part A)

We are given that y varies directly with x, and y=10 when x=-2 what direct variation equation relates x and y?

If x and y are directly related then:

y ∝ x or y=kx

where k is constant of proportionality.

Now, finding k:

y=10 and x=-2

$y=k\,\,x\\10=k*-2\\k=10/-2\\k=-5$

So, value of k = -5

So, the direct variation equation that relates x and y is:

$y= -5x$

Part B)

What is the value of y when x = -15

the equation is:

$y= -5x$

Putting x = -15

$y=-5x\\y=-5(-15)\\y=75$

So, value of y = 75

Keywords: Direct Variation

Learn more about Direct Variation at:

#learnwithBrainly

8 0

4 years ago