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Bess [88]
3 years ago
15

A building's rafter forms the hypotenuse of a 30°-60°-90° triangle with the roof's frame. If the rafter measures 9 feet, then th

e short leg measures feet.
Mathematics
1 answer:
Dmitriy789 [7]3 years ago
7 0

Answer:

-90'

Step-by-step explanation:

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Hey can you please help me posted picture of question
Ira Lisetskai [31]
Answer:
40x² + 65x + 25

Explanation:
We will just multiply each term from the first bracket by each term from the second and then combine like terms to get the final expression.

This would be done as follows:
(5x + 5)(8x + 5)
5x(8x) + 5x(5) + 5(8x) + 5(5)
40x² + 25x + 40x + 25
40x² + 65x + 25

Hope this helps :)
6 0
3 years ago
it takes allison ten minutes to fill a dozen water balloons she wants to calculate how long it will take her to fill all the wat
nadezda [96]
Well you need an equation because how many friends were at the party? x*12x10=w thats your equation or however you want to put it. the letters are your variables
4 0
3 years ago
Read 2 more answers
Find the volume of this square pyramid to the nearest tenth.
Hitman42 [59]
Formula:

V = 1/3 * b^2 * h

Plug in what we know:

V = 1/3 * 7^2 * 16

Simplify the exponent:

V = 1/3 * 49 * 16

Multiply all 3 numbers together:

V = 261.3cm^3
7 0
3 years ago
Eddie is practicing wind sprints during his summer break. He’s able to run 72 meters in 12 seconds. If d represents distance and
KATRIN_1 [288]

Answer:

what grade is this in?

Step-by-step explanation:

7 0
4 years ago
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What is the point-slope form of a line with a slope -3 that contains the point (10,-1)
Citrus2011 [14]
<h2>y + 1 = -3(x - 10)</h2>

Here's the formula:

y - y1 = m(x - x1)

Substitute numbers accordingly:

y1: so 1 goes in the y1 spot (you switch the signs because it was already negative)

x1:  and 10 goes to the x1 spot

m:  -3 belongs in m

4 0
3 years ago
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