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pshichka [43]
3 years ago
7

What is the value of x?

Mathematics
2 answers:
diamong [38]3 years ago
8 0

Using a theorem (yes i forgot the name of the theorem), we know that because the angles opposite of the sides are congruent, the sides must be congruent aswell. Therefore:

3x - 24 = x + 10

Now solve, starting by using the addition and subtraction properties of equality:

3x - 24 + 24 = x + 10 + 24

3x  = x + 34

3x - x = x - x + 34

2x = 34

Now, use the division property of equality:

(2x)/2 = (34)/2

x = 17

Therefore, x = 17.

<em>Hope this helps! :)</em>

Solnce55 [7]3 years ago
5 0
3(17)-24 = 27 and (17)+10 = 27 so the answer is 17
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The axis of symmerty for the graph of the function f(x) = 1/4x^2 + bc +10 is x=6 what is the value of b
zysi [14]

Completing the square gives

\dfrac14x^2+bx+10=\dfrac14(x^2+4bx+40)=\dfrac14(x^2+4bx+4b^2+40-4b^2)

\implies\dfrac14x^2+bx+10=\dfrac14(x+2b)^2+10-b^2

At the point on the graph along the axis of symmetry, the squared term vanishes, so that when x=6, we have x+2b=0. So

6+2b=0\implies 2b=-6\implies\boxed{b=-3}

5 0
3 years ago
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!40 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Paul [167]
(5y+3)+(4y+8)=146
9y+11=146
9y=135
y=15
8 0
3 years ago
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WILL GET BRAINLIEST!!!! I NEED IT BY TODAY!!! <br> NO FAKE ANSWERS!!!!
kumpel [21]

Answer:

d

Step-by-step explanation:

shades 2 out of 5 . 2/5 equals 0.40 shades 40% of 100.

4 0
3 years ago
How too work this out
Oduvanchick [21]

Answer:

x = 4

Step-by-step explanation:

\frac{7 + 2x}{3} = 5

Multiply both sides of the equation by 3

7 + 2x = 15

Subtract 7 from both sides of the equation

2x = 8

Divide both sides of the equation by 2

x = 4

Hope this helps :)

4 0
3 years ago
Please please help help me please please help helps me please ASAP ASAP please ASAP thank you!!
zalisa [80]

Answer:

Ill help! If there is anything you need help with? lol

Step-by-step explanation:

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3 years ago
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