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Kryger [21]
4 years ago
10

I need to know the answer before 8 pm today so pls help

Mathematics
1 answer:
Varvara68 [4.7K]4 years ago
8 0
1 hour 26 minutes sorry I didn't make your deadline
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A general contractor is hired to build a house. The house will cost $250,000 to build, and the general contractor also includes
k0ka [10]

Answer

310000

Step-by-step explanation:

Times the first number by 24%, add it up with the number, and the answer is there!

5 0
3 years ago
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Find the value of r so that the line through (-4,3) and (r,-3) has a slope of 2/3.
Tems11 [23]

Answer:

<h3>r = -13</h3>

Step-by-step explanation:

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the slope m = 2/3 and the points (-4, 3) and (r, -3). Substitute:

\dfrac{-3-3}{r-(-4)}=\dfrac{2}{3}

\dfrac{-6}{r+4}=\dfrac{2}{3}        <em>cross multiply</em>

2(r+4)=(-6)(3)        <em>divdide both sides by 2</em>

r+4=(-3)(3)

r+4=-9       <em>subtract 4 from both sides</em>

\boxed{r=-13}

6 0
3 years ago
If f(x) = 2x-12, evaluate -2f(3) <br><br> PLEASE HELP!!!!!!
mel-nik [20]
I think that’s it f(x)=2x−12
6 0
2 years ago
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You place a ladder up against a building. The bottom of the ladder is 6.5 feet from the base of the building. The ladder reaches
blagie [28]

Answer:

21 feet

Step-by-step explanation:

pythagoreom theorem

a^2+b^2=c^2

6.5^2+20^2=c^2

42.25+400=c^2

442.25=c^2

21 feet

4 0
3 years ago
Which of the following would be considered a valid measure of an individual's intelligence? his or her age the researcher's opin
Taya2010 [7]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Among the choices the one that  would be considered a valid measure of an individual's intelligence is <span>the number of years of school that the individual has completed</span>

8 0
3 years ago
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