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brilliants [131]
3 years ago
6

It takes Zion three times as long to paint a room as it does Sanjay. How long does it take each person by

Mathematics
1 answer:
ipn [44]3 years ago
3 0

Answer:

It takes Sanjay 40 minutes and Zion 120 minutes

Step-by-step explanation:

If it takes Sanjay x minutes, it takes Sanjay 3 * x = 3x minutes

Painting together, they spent 30 minutes

1/x + 1/3x = 1/30

4/3x = 1/30

4 * 30 = 3x * 1

120 = 3x

x = 120/3

x = 40 minutes

3x = 3 * 40 = 120 minutes

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What is the answer i cant solve it 6.4u-5.1u=-3.25?
Marta_Voda [28]
I hope this helps you




1,3 u = -3,25



1,3u ÷1,3 = -3,25 ÷ 1,3


u = -2,5
7 0
3 years ago
As you are walking down a path, you see a sign telling the path has a 2% grade (ie., a rise of 2 metres for a horizontal change
Leni [432]

Answer:

Option (A)

Step-by-step explanation:

It has been given in this question that sign telling path has a 2% grade.

2% grade means a rise of 2 meters for a horizontal change of 100 m (As given in the figure attached).

All the trigonometric ratios for the angle θ between the path and the horizontal are,

Sinθ = \frac{\text{Opposite side}}{\text{Hypotenuse}}

Cosθ = \frac{\text{Adjacent side}}{\text{Hypotenuse}}

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Since measures of the opposite side and adjacent sides are given

Therefore, tangent ratio will be applied to get the measure of the angle,

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5 0
3 years ago
4. Which function represents exponential decay?
Leni [432]
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8 0
3 years ago
2/5 + 1/3= in Simplest form
expeople1 [14]

Thye have to have like denominators.

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6 0
3 years ago
Read 2 more answers
Find the gradient of the line segment between the points (-3,3) and (4,4).
ElenaW [278]

Answer:

2.

Step-by-step explanation:

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m = 4 / 2 = 2

The gradient is 2.

4 0
3 years ago
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