3 years ago

Whats in the middle of 32 and 28

Mathematics

1 answer:

aleksley [76]3 years ago

5 0

Answer:

Step-by-step explanation:

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Jenna is drawing a sketch of her room. The room is 15 feet long by 12 feet wide. The

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Answer:

4 inches

Step-by-step explanation:

Actual dimensions:

Length = 15 feet

Width = 12 feet

Scale dimensions:

Length = 5 inches

Width = x inches

Write a proportion:

$\dfrac{\text{Actual length}}{\text{Scale length}}=\dfrac{\text{Actual width}}{\text{Scale width}}\\ \\ \\\dfrac{15\ feet}{5\ inches}=\dfrac{12\ feet}{x\ inches}\\ \\x=\dfrac{5\ inches\times 12\ feet}{15\ feet}=4\ inches$

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3 years ago

Select all that show multiplication: A 3/4 B (3)(4) C 3x4 D 3*4 E 3(4)

gregori [183]

B
C
D
E
They all show multiplication

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2 years ago

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Name the property used in each equation. Then find the value of n.

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The answer is 5 and associative property

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2 years ago

one gallon of milk costs 3.60, but this cost is projected to increase 10% in the next 5 years. what is the projected cost of a g

Tju [1.3M]

3.60$ x (100%+10%)

=3.60$ x 110%

=3.60$ x 1.1

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2 years ago

The area of a circle, in terms of π, is 80π m2. Find the value of the radius. Give your answer as a simplified surd.

jolli1 [7]

Answer:

$r=4\sqrt{5}\:\: \sf m$

Step-by-step explanation:

$\textsf{Area of a circle}=\pi r^2 \quad \textsf{(where r is the radius)}$

Given:

Area = 80π m²

Substitute the given value into the formula and solve for r:

$\implies 80 \pi = \pi r^2$

$\implies \dfrac{80 \pi}{\pi} = \dfrac{\pi r^2}{\pi}$

$\implies 80=r^2$

$\implies \sqrt{r^2}=\sqrt{80}$

$\implies r=\sqrt{80}$

$\implies r=\sqrt{16 \cdot 5}$

$\implies r=\sqrt{16}\sqrt{5}$

$\implies r=\sqrt{4^2}\sqrt{5}$

$\implies r=4\sqrt{5}$

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1 year ago

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