3 years ago

Alvin is going to take a flight from Seattle, Washington, to Atlanta, Georgia.

Mathematics

1 answer:

dsp733 years ago

5 0

Answer:

4 h 45 min

Step-by-step explanation:

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What is the value of r in: 1/7(105+r)=20

stealth61 [152]

Use the distributive property.

1/7(105 + r) = 20
15 + (1/7)r = 20

Then subtract each side of the equation by 15.

15 + (1/7)r = 20
(1/7)r = 5

Divide both sides by 1/7.

(1/7)r = 5

r = 35

So, the answer to this question is r is equal to 35.

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3 years ago

An electrician bent a section of copper wire into a partial circle as shown. The dimensions are

ira [324]

Answer:

Length = 3.84 feets (nearest hundredth)

Step-by-step explanation:

The length of section of wire can be obtyaiejd using the length of of a arc formular :

Length of arc = θ/360° * 2πr

Radius, r = 2.5 feets

Length of arc = (88/360) *2πr

Length of arc = (88/360) * 2π*2.5

Length of arc = 0.244444 * 15.707963

Length of arc = 3.8397

Length = 3.84 feets (nearest hundredth)

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3 years ago

A triangle has two angles that measure 18.6 degrees and 113.4 degrees respectively. what is the measure of the third angle?

spin [16.1K]

Answer:

$x = 48$

Step-by-step explanation:

$18.6 + 113.4 + x = 180$

$132 + x = 180$

$x = 180 - 132$

$x = 48$

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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Which expression is equivalent to (3b + 2r) + (4b + r)?

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(3b + 2r) + (4b + r)

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Choice B

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3 years ago

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