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PIT_PIT [208]
3 years ago
5

Find the total surface area of a cylinder if r=2 and h=8

Mathematics
1 answer:
Ghella [55]3 years ago
5 0

Answer:

100.5

Step-by-step explanation:

22/7*2^2*8

=22/7*4*8

=22/7*32

=100.5

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0.75 is the square root of what value?
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0.75^2 = 0.5625.....sq rt 0.5625 = 0.75
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Todd and his brother robert are going to use 512 square feet of their backyard for skateboard ramps. the shape of the backyard i
Ahat [919]

The dimensions are 16  ft by 32 ft

The quadratic equation is w^2-256=0

We have given that,

Todd and his brother Robert are going to use 512 square feet of their backyard for skateboard ramps. the shape of the backyard is rectangular, with the length twice as long as the width.

<h3>What is the area of the rectangle?</h3>

The area of a rectangle is equal to

A=WL

Where L is the long side of the rectangle

W is the width side of the rectangle

in this problem we have

A=512ft^2

S0,512=LW -----> equation A

L=2W ------> equation B

substitute equation B in equation A

512=2W(W)

512=2w^2

2w^2-512=0

W^2=512/2

W=\sqrt(256)

W=16

Find the value of L

L=2W

L=2(16)

L=32ft

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brainly.com/question/25292087

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2 years ago
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If you flip the graph of the exponential function f(x) = 2x over the x-axis, what
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Step-by-step explanation:

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3 0
3 years ago
What are the coordinates of the point that is one half the distance between A(−3, −5) and B(2, 7)?
Olenka [21]

Answer:

(\frac{-1}{2},1)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Midpoint Formula: (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Step-by-step explanation:

<u>Step 1: Define</u>

A (-3, -5)

B (2, 7)

<u>Step 2: Find midpoint</u>

  1. Substitute:                    (\frac{-3+2}{2},\frac{-5+7}{2})
  2. Add:                              (\frac{-1}{2},\frac{2}{2})
  3. Divide:                          (\frac{-1}{2},1)
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