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marshall27 [118]
3 years ago
9

Angle relationships. please help me. i will give you brainlist. if you are right though.

Mathematics
1 answer:
MatroZZZ [7]3 years ago
6 0

Step-by-step explanation:

12x+15+69= 180

12x = 96 X =8

x+137 + 50 = 180

x = - 7

80= 20x

x = 4

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How do you get the value of x7+8x+3-1+7
notka56 [123]

Answer:

first add the numbers that have the same variable s x7+8x=15x

then the numbers first add and then you subtract

1+7=8

3-8= -5

15x-5

3 0
3 years ago
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Question <br> 7 - (-3)=<br> PLEASE HELP ME!!!
Roman55 [17]

Answer:

10

Step-by-step explanation:

7-(-3)

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=10

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7 0
3 years ago
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$7500 is invested at 3.5% per annum simple interest. How long will it take for the
BARSIC [14]

Answer:

Required time will be 4 years.

Step-by-step explanation:

T=

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5 0
3 years ago
 need the answer asap
Mama L [17]
F(x)=5x^2-70x+258
Solving by completing square methods gives us:
5x^2-70x=-258
x^2-14x=-51.6
c=(b/2a)^2
c=(-14/2)^2
c=49
x^2-14x+49=-51.6+49
(x-7)(x-7)=-2.6
(x-7)^2=-2.6
multiplying through by 5 you get:
5(x-7)^2+13=0
The answer is:
A] <span>5(x − 7)2 + 13; The minimum cost to produce the product is $13. </span>
7 0
3 years ago
10,000 round to the nearest ten thousand
wlad13 [49]

Answer:

i think it would be 10,000

I hope it helped!

5 0
3 years ago
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