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2 years ago

9

What is the surface area of a pyramid?

1 answer:

devlian [24]2 years ago

6 0

Well, to get the surface area, you do length x width x height. <span>Multiply the side length of the base by the slant height and divide by two. Then, multiply by 4. This will give you the lateral </span>surface area<span> of the </span>pyramid<span>.</span>

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Translate: twice the sum of a number and 9 equals 7 into an equation

Ghella [55]

$equals\ 7\to=7\\sum\ of\ a\ number\ and\ 9\to n+9\ (n-the\ number)\\twice\ the\ sum\ ...\to2(n+9)\\\\Answer:\boxed{2(n+9)=7}\\\\solution:\\\\2(n+9)=7\ \ \ \ |divide\ both\ sides\ by\ 2\\n+9=3.5\ \ \ \ |subtract\ 9\ from\ both\ sides\\\boxed{n=-5.5}$

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3 years ago

What are the intercepts of 2x+3y-6=30

Zolol [24]

X-Intercept is found by setting y to = 0.
<span>Y-intercept is found by setting y to =0.</span>

7 0

2 years ago

Jim is 5 years older than Cindy. 4 years ago, the sum of their ages was 21. Find each of their ages now.

Dmitry_Shevchenko [17]

Jim is 16 because take away 21-5=16.Now Cindy 21-4=17.Cindy is 17.Jim is 16.

4 0

3 years ago

Evaluating an Expression<br> Evaluate (15 - 4x) + 5 when x = 3.

lukranit [14]

Answer:

8

Step-by-step explanation:

(15-4x)+5

(15-4(3))+5

(15-12)+5

3+5=8

7 0

2 years ago

Read 2 more answers

a shoe box in the shape of right rectangular prism has base that mesure 7 inches and is 5 inches high what is the volune of the

Andrew [12]

Answer:

35

Step-by-step explanation:

If the base is 7 that would be the length times width and then you multiply that by 5 which gets you 35.

7 0

3 years ago