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Bogdan [553]
2 years ago
9

Can someone help me with this please

Mathematics
1 answer:
Anni [7]2 years ago
3 0

Answer:

x = 61

Step-by-step explanation:

These 2 angles are supplementary which means they add up to 180:

2x - 6 + x + 3 = 180

3x - 3 = 180

3x = 183

x = 61

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Multiply (4x-3w)(5x-7w)
andre [41]

Answer:

20x² - 43xw + 21w²

Step-by-step explanation:

We use FOIL to expand the expression:

F - First

4x(5x) = 20x²

O - Outside

4x(-7w) = -28xw

I - Inside

-3w(5x) = -15xw

L - Last

-3w(-7w) = 21w²

20x² - 28xw - 15xw + 21w²

Combine like terms and add up using correct signs and you should get your answer.

3 0
3 years ago
Read 2 more answers
A rectangular prism has a length of 12.5 ft, and a width of 9ft , and a height of 6.5 feet. what is the volume of the prism
vagabundo [1.1K]

Answer:

731.25

Step-by-step explanation:

12.5 times 9 times 6.5 =

731.25

7 0
3 years ago
If 80% of the 400 students at Washington Junior High School passed the ISTEP test, how many students did not pass the ISTEP test
nlexa [21]

Answer:

80 students

Step-by-step explanation:

400/80%=320

400-320=80

8 0
3 years ago
I really need help so much please help me
nasty-shy [4]
X-5=y N=22 hope this helps :$
3 0
3 years ago
Read 2 more answers
I need help with my geometry homework! Thank you! I will mark brainliest!!!!
Firlakuza [10]

Answer:

The first choice is the one you want

Step-by-step explanation:

Use geometric means to solve for a first. The formula is

8^2=15a and 64 = 15a and a = 64/15

That one was quite easy.  Finding b is a bit more difficult.

The formula for finding b is

\frac{a}{b}=\frac{b}{15+a}

Solving for b:

b^2=a(15+a)

Filling in we have

b^2=15(\frac{64}{15})+(\frac{64}{15})^2 and

b^2=64+\frac{4096}{225} and

b^2=\frac{18496}{225} so b = 136/15

3 0
3 years ago
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