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irina [24]
3 years ago
11

In ΔLMN, the measure of ∠N=90°, the measure of ∠L=25°, and LM = 14 feet. Find the length of NL to the nearest tenth of a foot.

Mathematics
2 answers:
eimsori [14]3 years ago
8 0

Answer:

12.7

Step-by-step explanation:

ValentinkaMS [17]3 years ago
3 0

Answer:

12.7

Step-by-step explanation:

deltamath

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The picture is what I need help with PLS HURRY
erma4kov [3.2K]

Answer: 2.70\ quarts\approx3\ quarts

Step-by-step explanation:

The area of a rectangle can be calculated with this formula:

A_r=lw

Where "l" is the lenght and "w" is the width.

And the area of triangle can be found with this formula:

A_t=\frac{bh}{2}

Where "b" is the base and "h" is the height.

First:

- Convert inches to feet:

(30\ in)(\frac{1\ ft}{12\ in})=2.5\ ft

- Convert the mixed number to decimal number:

30\frac{1}{10}=30+0.1=30.1

You can identify that the ramp is formed by three rectangles and two equal right triangles.

Since the bottom of the ramp does not have to be stained, you need to find:

1. The area of the smaller rectangle:

A_1=(2.5\ ft)(6\ ft)=15\ ft^2

2. The area of the larger rectangle on the top:

A_2=(30.1\ ft)(6\ ft)=180.6\ ft^2

3. The area of the triangles:

A_3=A_4=\frac{(30\ ft)(2.5\ ft)}{2}=37.5\ ft^2

Add the areas:

Total=15\ ft^2+180.6\ ft^2+37.5\ ft^2+37.5\ ft^2=270.6\ ft^2

Since a quart of stain covers 100 ft^2, for 270.6\ ft^2 you need to buy:

\frac{270.6}{100}=2.70\ quarts\approx3\ quarts

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3 years ago
Find the line perpendicular to x=-7 through point (5,6)
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Answer:

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Step-by-step explanation:

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2 years ago
Need help with this assignment!
larisa86 [58]

Answer:

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3 years ago
If you travel 650ft in 40 seconds what is your approximate speed in miles per hour
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Answer: 443.188 repeated

Step-by-step explanation: So basicly 1 feet per second is equal to 70 feet per hour, so how many feet per second is 650 ft.

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2 years ago
What is 1/2x1/2 in fractions?
Semmy [17]
I think it is 2/4 but I might be wrong
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3 years ago
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