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natka813 [3]
2 years ago
12

Twice the difference of a number and two is five

Mathematics
1 answer:
dezoksy [38]2 years ago
6 0

Answer:

2 (n - 2) = 5

n = 4.5

Step-by-step explanation:

2 (n - 2) = 5

2n - 4 = 5

     +4.   +4

2n = 9

divide both sides by 2

n = 9/2 = 4.5

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Find the slope of the following points. (-20,-4) (-12,-10)
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m = −3/4 is the correct answer. Hope this helps!

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Can someone explain to me how to do this
Otrada [13]
Angles on a straight line add up to 180°, so:

x + 60 = 180

x = 180 - 60

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A rose garden is formed by joining rectangle and a semicircle, as shown below. The rectangle is 29 ft long and 21 ft wide. If th
Iteru [2.4K]

Answer:

The answer to your question is 116.53 ft

Step-by-step explanation:

Data

length = 29 ft

width = 21 ft

π = 3.14

Process

1.- Calculate perimeter of the rectangle and subtract 1 length

Perimeter of the rectangle = 2l + 2w - l

Perimeter of the rectangle = 2(29) + 2(21) - 29

                                            = 58 + 42 - 29

                                            = 71 ft

2.- Calculate the perimeter of a semicircle

Perimeter = 2πr/2 = πr

radius = r = 29/2

               = 14.5 ft

Perimeter = (3.14)(14.5)

                 = 45.53 ft

3.- Calculate the total length of the fence

fence = 45.53 + 71

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7 0
3 years ago
An employee sells ten tablets for $149.99 each. How much will he make if he earns 4.5% commission?
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5 0
3 years ago
Tanner cycled 8 miles in 20 minutes .What is the constant of proportionality based on the situation
solmaris [256]

The constant of proportionality based on the situation is 0.4

Step-by-step explanation:

Tanner cycled 8 miles in 20 minutes

We need to find the constant of proportionality based on the situation

1. The distance is proportion to the time, because the distance and

   the time increased together

2. If the distance d and the time is t, then d ∝ t

3. The equation of the direct proportion is d = k t, where k is the

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∵ d = k t

∵ d = 8 miles

∵ t = 20 minutes

- Substitute these values in the equation above

∴ 8 = k (20)

- Divide both sides by 20

∴ k = 0.4

The constant of proportionality based on the situation is 0.4

Learn more:

You can learn more about proportionality in brainly.com/question/10708697

#LearnwithBrainly

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