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kramer
3 years ago
15

This figure has a length of 10 cm, a width of 7 cm, and a height of 3 cm. What is its surface area? 30 POINTS!

Mathematics
1 answer:
DENIUS [597]3 years ago
7 0
Your answer is........B) 210 cm2
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the perimeter of a rectangle is 70 cm . if the ratio of the width to the length is 2:5 what is the width ?
denpristay [2]

Answer:

width = 10 cm

Step-by-step explanation:

the ratio of width to length is 2 : 5 = 2x : 5x ( x is a multiplier )

the perimeter (P) of a rectangle is calculated as

P = 2 × width + 2 × length

given P = 70 then

2(2x) + 2(5x) = 70

4x + 10x = 70

14x = 70 ( divide both sides by 14 )

x = 5

Then

width = 2x = 2 × 5 = 10 cm and length = 5x = 5 × 5 = 25 cm

5 0
2 years ago
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Can a triangle have sides with the given lengths?<br><br> (a) 4, 7, 10<br><br> (b) 8, 9, 17
soldier1979 [14.2K]

Answer:

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2 years ago
How many times does 42 going to 96
anygoal [31]

Answer:

As a whole number, 2.

As a whole number with a remainder, 2 R12.

Precisely 2.28571429 if you want to get specific.

Step-by-step explanation:

96 ÷ 42 = 2 R12

or

96 ÷ 42 = 2.28571429

Hope this helps! :)

3 0
3 years ago
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If a=5 what is the value of the card 4a-2
mart [117]

Answer:

18

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

Step-by-step explanation:

<u>Step 1: Define</u>

4a - 2

a = 5

<u>Step 2: Evaluate</u>

  1. Substitute in <em>a</em>:                   4(5) - 2
  2. Multiply:                              20 - 2
  3. Subtract:                             18
3 0
2 years ago
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What is the volume of a sphere having a radius of 6 in.
Blababa [14]

Answer:

V≈904.78in³

Step-by-step explanation:

5 0
3 years ago
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