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expeople1 [14]
3 years ago
6

PLEASE HELP !!!!!!!!!!!!!!!!!!! I REWARD BRAINLIEST

Mathematics
2 answers:
Readme [11.4K]3 years ago
6 0

Answer:

................

x=23°

x=14°

Wewaii [24]3 years ago
3 0

\\ \sf\longmapsto x+4x+65=180

\\ \sf\longmapsto 5x+65=180

\\ \sf\longmapsto 5x=180-65

\\ \sf\longmapsto 5x=115

\\ \sf\longmapsto x=\dfrac{115}{5}

\\ \sf\longmapsto x=23

#2

\\ \sf\longmapsto 6x+2x+124=180

\\ \sf\longmapsto 8x+124=180

\\ \sf\longmapsto 8x=180-124

\\ \sf\longmapsto 8x=56

\\ \sf\longmapsto x=\dfrac{56}{8}

\\ \sf\longmapsto x=7

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What is the answer to -2x-4=2-x​
aleksklad [387]

Answer:

x = -6

Step-by-step explanation:

-2x - 4 = 2 - x

-x - 4 = 2

-x = 6

x = -6

If my answer is incorrect, pls correct me!

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-Chetan K

6 0
3 years ago
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
irakobra [83]

Answer:

a-9=20

a=20+9

a=29

b-9>20

b>29

6 0
3 years ago
Which are the solutions of the quadratic equation?
Artemon [7]

Answer:

x_1=\frac{7+\sqrt{65}} {2}

x_2=\frac{7-\sqrt{65}} {2}

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}

in this problem we have

x^{2}=7x+4  

equate to zero

x^{2}-7x-4=0  

so

a=1\\b=-7\\c=-4

substitute in the formula

x=\frac{-(-7)\pm\sqrt{-7^{2}-4(1)(-4)}} {2(1)}

x=\frac{7\pm\sqrt{65}} {2}

therefore

x_1=\frac{7+\sqrt{65}} {2}

x_2=\frac{7-\sqrt{65}} {2}

StartFraction 7 minus StartRoot 65 EndRoot Over 2 EndFraction comma StartFraction 7 + StartRoot 65 EndRoot Over 2 EndFraction

3 0
4 years ago
Read 2 more answers
How do you do square roots totem pole
Igoryamba
Well the square root of a number is a number times its self equaling the number you're getting the square root of. For example:

<span>√ 25
</span>
To get sqrt of 25 we need to find a number times its self that equals 25. Lets try 8.

8 x 8 = 64

Well thats much too high, We'll try a lower number.

4 x 4 = 16

Just a little higher.

5 x 5 = 25

Since 5 times itself equals 25 that makes it the sqrt.

So, the √ 25 is 5.
7 0
3 years ago
What is the axis of symmetry for the graph of y – 4x = 7 – x2 ?
yKpoI14uk [10]

the axis of symmetry is x=2

8 0
3 years ago
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