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zheka24 [161]
3 years ago
9

Can you solve for x for this shape?

Mathematics
2 answers:
mr Goodwill [35]3 years ago
8 0
An exterior angle of a triangle is equal to the sum of the two angles opposite to it. So we have:

\sf 6x+1+20=9x-6

Now just solve for 'x'. First, simplify:

\sf 6x+21=9x-6

Add 6 to both sides:

\sf 6x+27=9x

Subtract 6x to both sides:

\sf 27=3x

Divide 3 to both sides:

\boxed{\sf x=9}
Ilia_Sergeevich [38]3 years ago
5 0
Hi my friend
6x + 1 + 20 = 9x - 6 (exterior angle of triangle)
3x = 27
x = 9
hope it helps☺
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Evaluate the exponent<br> (14.7 + 9.3) * (1/2) to the second power
grigory [225]

Answer: well the thing is 12, i have no idea how to do it though. sorry

Step-by-step explanation:

8 0
2 years ago
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2. The population in the South in 2000 was 100,236,820. In 2010, the population in the South had increased by 14.3% from 2000. A
vovangra [49]
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3 0
3 years ago
Georgia bought a packge of of 14 dollies to use in her valentines.She used 5/7 of the package to make her in valentines. How man
max2010maxim [7]

Answer: Georgia used 10 dollies and  she has left 4 dollies .

Step-by-step explanation:

Given: Georgia bought a package of of 14 dollies to use in her valentines.

Therefore, the number of dollies in a package = 14

If she used \frac{5}{7} of the package to make her in valentines.

The number of dollies she used = \frac{5}{7}\times14=5\times2=10

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5 0
3 years ago
For which of the following equations are x = 5 and x = –5 both solutions?
Minchanka [31]
Short Answer B
Argument
A
A will give you x = +/- 5i 
x^2 + 25 = 0
x^2 = - 25       Take the square root.
sqrt(x^2) = +/- sqrt(-25)
x = +/- (5)i which is a complex number.


B
Is the answer
x^2 = 25
sqrt(x)^2 = sqrt(25)
x = +/- 5

C
Can't be factored just by looking at it. You can show that C is not true just by putting 5 into the equation
f(x) = x^2 + 10x - 25
f(5) = 25 + 10*5 - 25
f(5) = 50
C is not true.

D
D can be eliminated as C was
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6 0
3 years ago
Read 2 more answers
Please answer thiss!!!!
givi [52]

Answers:

a = 1/3

b = -6

c = 7

======================================================

Explanation:

The terms of the given expression rearrange to \frac{1}{3}x^2 - 6x+7 which is now in standard form (the exponents decrease when moving from left to right).

We can see that

a = 1/3

b = -6

c = 7

after matching that with the ax^2+bx+c form.

8 0
3 years ago
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