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Mila [183]
2 years ago
5

I have the answers i just need to know the solution on how you do 10 and 11.

Mathematics
1 answer:
kozerog [31]2 years ago
6 0
Hope this helps for question 10

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Will the following side lengths make a triangle? 7, 5, 4
Greeley [361]

Okay too answer this you have to take the two smallest numbers and add them, in this case the answer would be 5 + 4 = 9. The answer has to be greater than the last number, In this case, 7. So the answer is yes.

8 0
3 years ago
Suppose y varies directly with x. If y = -4 when x = 8, what is the equation of direct variation?
tresset_1 [31]

\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \textit{we also know that }~~ \begin{cases} y=-4\\ x=8 \end{cases}\implies -4=k(8)\implies \cfrac{-4}{8}=k\implies -\cfrac{1}{2}=k \\\\[-0.35em] ~\dotfill\\\\ ~\hfill y=-\cfrac{1}{2}x~\hfill

8 0
3 years ago
Read 2 more answers
What percentage of 23 is 924
monitta
Well, the answer to the question in your picture is $1200.

If x is the original price, and we took 23%, or 0.23 from that, we are left with 77%, or 0.77 of the full price.

So 0.77x = 924
x = 924/0.77
x = 1,200

1200 - 0.23(1200) = 924

924 = 0.77x

8 0
2 years ago
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How to factorize 2^{n+1}+2^{n-1}?<br><br>I know the answer is 5(2^{n-1}), but how do i get there?
Elina [12.6K]

Answer:

steps below

Step-by-step explanation:

2ⁿ⁺¹ +2ⁿ⁻¹ = 2ⁿ⁻¹ (2² + 1) = 5*2ⁿ⁻¹

7 0
3 years ago
Hello help me plsss plssss pretty pleasee!!!
Gala2k [10]

Answer:6.1638 7.69 8.18.04

Step-by-step explanation:

8 0
3 years ago
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