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galben [10]
4 years ago
8

6th grade math help me ! :)

Mathematics
2 answers:
o-na [289]4 years ago
8 0

Answer:

One pair would cost $19.99

Step-by-step explanation:

If 2 pairs cost $39.98, one pair will cost half that amount, so divide by 2

$39.98 / 2 = $19.99

aivan3 [116]4 years ago
7 0

Answer:

$19.99

Step-by-step explanation:

39.98/2

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Step-by-step explanation:

Just substitute any values of x so that you can graph it <33

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2 years ago
What is the equation in point-slope form of the line passing through (1, 9) and (−1, 11)?
Ainat [17]
(1,9)(-1,11)
slope = (11 - 9) / (-1 - 1) = -2/2 = -1

there can be 2 answers for this...
y - y1 = m(x - x1)
(1,9)...x1 = 1 and y1 = 9
sub
y - 9 = -(x - 1) <== here is one answer

y - y1 = m(x - x1)
(-1,11)...x1 = -1 and y1 = 11
sub
y - 11 = -(x - (-1) =
y - 11 = -(x + 1) <== here is the other answer
6 0
3 years ago
Read 2 more answers
Simplify<br><br><img src="https://tex.z-dn.net/?f=%20%7B3%7D%5E%7B7y%7D%20%20%5Ctimes%20%20%7B81%7D%5E%7B8y%7D%20%5Ctimes%20%20%
Papessa [141]

Answer

3^{7y} * 81^{8y} * 3^9  * 27^{-9y} = 3^{7y} * (3^4)^{8y} * 3^9  *(3^3)^{-9y}          

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Tip :    

\frac{1}{27^{9y}}  = 27^{-9y} = (3^3)^{-9y} = 3^{-27y}                          

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Step-by-step explanation:

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Please help me asap; thank you
sashaice [31]

Answer:

Step-by-step explanation:

You can use the sin function,

cos x= adj/hyp

cos x= 14.3/19=0.752

x=arcos 0.752= 41.18 degrees

7 0
3 years ago
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