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denis-greek [22]
2 years ago
10

WILL GIVE BRAINLIEST IF CORRECT PLEASE ANSWER!!!!!

Mathematics
1 answer:
murzikaleks [220]2 years ago
6 0

The amount of wrapping paper he use is 62.4 square inches

<h3>How to calculate the surface area of a prism</h3>

The formula for calculating the total surface area is expressed as:

Area = 4(area of triangle)

Find the area of the triangle

A = 0.5(6)(5.2)

A =3(5.2)

A = 15.6 square inches

TSA = 4(15.6)
TSA = 62.4 square inches

Hence the amount of wrapping paper he uses is 62.4 square inches

Learn more on total surface area here: brainly.com/question/1297098

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The bottom of a 20-foot ladder is placed 4 ½ feet from the base of a house. To the nearest foot, at what height does the ladder
Oksanka [162]

Answer: 19 ft

Step-by-step explanation:

Hi, since the situation forms a right triangle (see attachment) we have to apply the Pythagorean Theorem:

c^2 = a^2 + b^2

Where c is the hypotenuse of the triangle (in this case the length of the ladder) and a and b are the other sides.

Replacing with the values given:

20^2 = (4 1/2)^2 + x^2

400=20.25 + x ^2

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379.75 = x^2

√379.75 = x

x = 19.48

x= 19 ft

Feel free to ask for more if needed or if you did not understand something.

6 0
4 years ago
Diane has 496 beads and Linda has 286 beads.
Digiron [165]

Answer:  210 fewer beads.

Step-by-step explanation:  

All you have to do is subtract the amount Diane has by Linda. And the answer you get is how many less beads Linda has. She has 210 fewer beads than Diane.  496 - 286 = 210 is the answer.

4 0
3 years ago
I'LL MARK BRANLIEST PLS HELP
sergij07 [2.7K]

Answer:

It's (2, 3) and (7, 6)

Step-by-step explanation:

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3 0
3 years ago
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Three less than the quotient of ten and a number, increased by six” when n = 2?
Musya8 [376]
(10/n  +6) -3
10/2+6-3
5+6-3
11-3
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Hope this helped!
3 0
3 years ago
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Solve for x: 2x - 3+ 4x = 27<br>answers<br>x=4<br>x=5<br>x=12<br>x=15​
MrRa [10]

Answer:

x=5

Step-by-step explanation:

2x-3+4x=27

6x-3=27

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6 0
3 years ago
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