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Ber [7]
2 years ago
9

Please show me the steps to this thank you.

Mathematics
1 answer:
irakobra [83]2 years ago
5 0
Since the lines are perpendicular the opposite angle of labeled is also 60° and so would the two angles on the the lower just opposite way therefore 8x-4=60
-4 -4
8x=56
/8 /8
X=7
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Simplify (5x - 7y) - ( x + 3y)
ruslelena [56]
This equation simplified is: 14x - 10y



4 0
2 years ago
Find the surface area of the above solid.<br> A. 43 cm2<br> B. 52 cm2<br> C. 50 cm2<br> O D. 54 cm2
iren [92.7K]

Answer:A

Step-by-step explanation:

4 0
3 years ago
1. If 6 + 3x = 27, what is 2x ?<br> A. 7<br> B. 11<br> C. 14<br> D. 18<br> E. 22
Artemon [7]

Answer:

I don't know what you mean with a b c d and e, but x=7

Step-by-step explanation:

x=7 because first you subtract 6 from each side, because you wan't to have just x, so you will get 3x=21, and then you just divide both sides by3 to get x=7

8 0
3 years ago
Each sequence has eight terms. Evaluate each related series. 1,-1,-3, . . . . . . -13
o-na [289]

The sum of the 8 terms of the series 1-1-3-5- ... -13 is -48

The given sequence is:

1,-1,-3,  . . -13

and there are 8 terms.

The related series of this sequence is:

1-1-3-5- ... -13

Notice that the series is an arithmetic series with:

first term, a(1) = 1

common difference, d = -1 - (1) = -2

last term, a(8) = -13

To find the sum of the series, use the sum formula:

S(n) = n/2 [(a(1) + a(n)]

Substitute n = 8, a(1) = 1, a(n) = a(8) = -13 into the formula:

S(8) = 8/2 [1 + (-13)]

S(9) = 4 . (-12) = -48

Learn more about sum of a series here:

brainly.com/question/14203928

#SPJ4

8 0
1 year ago
PLEASE HELP DUE IN 10 MIN ITS A FINAL
Tomtit [17]

Answer:

intersecting

Step-by-step explanation:

7 0
3 years ago
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