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Leviafan [203]
2 years ago
7

Write an expression for each of these expressions:

Mathematics
1 answer:
Kipish [7]2 years ago
7 0

Answer:

A. 36  ÷ a

B. 55 - b

C. 18 + c

D. 49 · d

E. e ÷ 62

F. f - 71

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A rectangular prism has a length, width, and height of 2/3 inch, 3/5 inch, and 4/7 inch, respectively. The volume of the rectang
monitta

Answer: 8/35 is the exact answer as a fraction; approximately that is equal to 0.22857 (rounded to 5 decimal places)

Work Shown:

The volume of this prism is equal to the length times width times height. We multiply the three fractions out. To do this, multiply straight across. The numerators group up and multiply. The denominators form a separate group to multiply.

Multiply the numbers up top (numerators): 2*3*4 = 6*4 = 24

Multiply the numbers in the bottom (denominators): 3*5*7 = 15*7 = 105

We end up with 24/105. We can divide both numbers by 3 to reduce the fraction (note how 3 is a factor of each multiplication above)

24/3 = 8

105/3 = 35

So that's how I got 8/35

If you want to convert to decimal form, then 8/35 = 0.22857 approximately.

4 0
3 years ago
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Find the midpoint of A and B where A has coordinates (2, 4)<br> and B has coordinates (-3, -9).
tatuchka [14]

Answer:

(-0.5,-2.5)

Step-by-step explanation:

  • (x1 + x2) / 2 = x midpoint
  • (y1 + y2) / 2 = y midpoint
<h3>X:</h3>

⇒ 2 + -3 = 5

⇒ 5 / 2 = -0.5

<h3>Y:</h3>

⇒ 4 + -9 = -5

⇒ -5 / 2 = -2.5

→ = (-0.5, -2.5)

4 0
2 years ago
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A 13-foot ladder leans against the side of a house with its base 3 feet from the house. Use the Pythagorean Theorem to approxima
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Answer: 12.65 ft

Pythagorean theorem is a^{2} + b^{2} = c^{2}

So, a^{2} + 3^{2} = 13^{2}

169 - 9 = 160

\sqrt{160} is 12.65.

Hope it helps.

4 0
3 years ago
Apples cost a pence each.
Angelina_Jolie [31]

Answer:

\boxed{\sf \ \ 3a \ + \ 5b \ \ }

Step-by-step explanation:

hello

as an apple costs a pence and a banana b pence

3 apples + 5 bananas cost 3*a + 5*b

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3 years ago
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.<br> Which expression could be used to determine the product of -4 and 3 1/4?
lara31 [8.8K]

Expression: -4 * 3 1/4

Equation: -4 * 3 1/4 = -13.

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3 years ago
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