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ser-zykov [4K]
3 years ago
9

Find the value of X. (and the rest)​

Mathematics
1 answer:
lianna [129]3 years ago
8 0

Answer:

a=70

b=110

c=50

d=130

e=50

Step-by-step explanation:

these are just angle properties

a=70

b=110

c=50

d=130

e=50

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HELPPPPOPPPOPPÑPPÑÑÑ
matrenka [14]

A.

So for 1 hour you pay 10 dolars then for 3 you pay 30 then for 11 you pay 110 then for 20 you pay 200.

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(x+7)^2+9=0<br><br> Find x with quadratics
Ne4ueva [31]

Answer:

x = -7 ±3i

Step-by-step explanation:

(x+7)^2+9=0

Subtract 9 from each side

(x+7)^2+9-9=0-9

(x+7)^2=-9

Take the square root of each side

sqrt((x+7)^2) = ±sqrt(-9)

We know sqrt(ab) = sqrt(a) sqrt(b)

x+7 = ±sqrt(-1) sqrt(9)

We know that sqrt(-1) is the imaginary number i

x+7 = ±i *3

x+7 =±3i

Subtract 7 from each side

x+7-7 = -7 ±3i

x = -7 ±3i

6 0
3 years ago
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Oduvanchick [21]
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Mark plans on taking 3 trips this summer. He'll drive 143 miles,138 miles , and 141 miles. Estimate the total miles he'll drive.
Deffense [45]
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Which expression is equivalent to -3 1/8 - 2 1/2 = ?
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Answer:

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Step-by-step explanation:

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