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Rudiy27
4 years ago
10

A ramp leading into a building makes a 15 angle with the ground. The end of the ramp is 10 feet from the base of the building. A

pproximately how long is the ramp? Round to the nearest tenth

Mathematics
2 answers:
serious [3.7K]4 years ago
7 0

check the picture below.


you can check in your calculator, make sure your calculator is in Degree mode.

Vedmedyk [2.9K]4 years ago
3 0

Answer:

Ramp is 10.4 feet long.

Step-by-step explanation:

Ramp AC is is making an angle of 15 with the ground BC.

The end C of the ramp is 10 feet from the base B of the building.

We have to find the length of ramp.

Let x feet is the length of the ramp.

Now Cos15° = \frac{BC}{AC}

0.9659 = \frac{10}{x}

x = \frac{10}{0.9659}

x = 10.35 ≈ 10.4 feet

Therefore, ramp is 10.4 feet long.

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Cerrena [4.2K]

Answer:

The fractions \frac{3}{9},\frac{3}{10},\frac{3}{11},\frac{3}{12} are not in order from least to greatest.

Step-by-step explanation:

Given order of fractions from least to greatest:

\frac{3}{9},\frac{3}{10},\frac{3}{11},\frac{3}{12}

To check if the fractions are in correct order.

Solution:

The fractions given have same numerators but different denominators.

For fractions the higher the denominator the lower is the value of that fraction.

Thus, in the given list the least value fraction will be the fraction with the greatest denominator which is \frac{3}{12} and the greatest value fraction will be the fraction with the least denominator which is \frac{3}{9}

So, the order of the fractions from least to greatest is not correct. Instead the order is from greatest to least.

The correct order from least to greatest should be:

\frac{3}{12},\frac{3}{11},\frac{3}{10},\frac{3}{9}.

4 0
4 years ago
Pablo is dividing a dish of brownies for a party. The brownie mix cost $2.89. He cuts the brownies into squares that measure 3 i
d1i1m1o1n [39]
Okay so if the pan is 12 inches wide you can divided 3 inches by that and get 4. Then do the same thing for the length, 18, and you get 6. Multiply 6 by 4 to get the number of brownies Pablo cut.

You can check my answer by drawing a box on a piece of paper, and drawing little boxes inside. Keep in mind that each brownie is 1 unit, or 3 inches.
8 0
3 years ago
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RideAnS [48]

Answer:

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Step-by-step explanation:

8 0
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Answer: 5%

Step-by-step explanation:

First notice that she contributes $300 a month and annually means yearly,  so find the amount that she contributes yearly by multiplying 300 by 12 because there are 12 months in a year.  

300 * 12 = 3600

Now to find the percentage, divide the amount she contributes in year by her annual salary.

3600/ 72000 = 0.05  

Convert 0.05 into a percent by multiplying 0.05 by one hundred.

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3 years ago
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kakasveta [241]

Answer:

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Step-by-step explanation:

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