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LiRa [457]
3 years ago
8

HELP ME

Mathematics
1 answer:
Sophie [7]3 years ago
5 0

Answer:

sin 42 = h/400

Step-by-step explanation:

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Please help 50 points!<br> Simplify the expressed
LenKa [72]

Answer:

Step-by-step explanation:

\frac{x^{2} -x-12}{x+4} * \frac{2x^{2}-32 }{x^{2} -8x+16}  rewrite as multiplication

\frac{x^{2} +3x-4x-12}{x+4} * \frac{2(x^{2}-16) }{x^{2} -8x+16}  look to factor

\frac{x(x+3)-4(x+3)}{x+4} * \frac{2(x-4)(x+4) }{(x-4)^{2}}  , difference of 2 squares and perfect square

\frac{(x+3)(x-4)}{x+4} * \frac{2(x-4)(x+4) }{(x-4)^{2}}, finish factoring and simplify

2(x+3)

3 0
2 years ago
Add the two expressions. 8.9x−5 and −6.8x+8 Enter your answer, in simplified form, in the box.
Verizon [17]
Let's simplify step-by-step.<span><span><span><span>8.9x</span>−5</span>−<span>6.8x</span></span>+8</span><span>=<span><span><span><span><span><span>8.9x</span>+</span>−5</span>+</span>−<span>6.8x</span></span>+<span>8

</span></span></span>Combine Like Terms:<span>=<span><span><span><span>8.9x</span>+<span>−5</span></span>+<span>−<span>6.8x</span></span></span>+8</span></span><span>=<span><span>(<span><span>8.9x</span>+<span>−<span>6.8x</span></span></span>)</span>+<span>(<span><span>−5</span>+8</span>)</span></span></span><span>=<span><span>2.1x</span>+<span>3

The simplified answer is </span></span></span><span><span>2.1x</span>+<span>3</span></span>
8 0
3 years ago
1. Mr. Morrison has decided that an angle of 15° is
Rasek [7]

Answer:

the height of the front doorstep is 12 cm

angle given is 15 degree

so, the length of the ramp wooden peice should be 44.7

mark me brainliest plsss

plssss

3 0
3 years ago
Roland had 10,500 in medical expenses last year and has no medical insurance. The IRS allows medical expense deductions for the
galina1969 [7]
The answer in this question is $8,175 the solution to get the answer is;
7.5% X $31,000 = $2,325 
The amount that exceeds the 7.5% threshold is $10,500 - $2,325 = $8,175

.075 times the income to figure out how much IS NOT deductible. Everything above that amount is deductible.
3 0
2 years ago
Write the quadratic equation in vertex form.<br> y = x2 + 16x + 4
MrRa [10]

Answer:

x= y-4/18

y=18x+4

Step-by-step explanation:

6 0
3 years ago
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