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just olya [345]
4 years ago
15

If m∠2 = 8x − 20, and m∠3 = 5x + 5, what is m∠2?

Mathematics
1 answer:
german4 years ago
4 0

Answer:

8x - 20

Step-by-step explanation:

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What is the result of adding these two equations?<br> 5x - y = 6<br> - 2x + y = 8
Eddi Din [679]

Answer:

x=14/3

Step-by-step explanation:

5x-y=6

+ -2x+y=8

----------------

5x+(-2x)-y+y=6+8

5x-2x-y+y=6+8

3x=14

x=14/3

I apologize if something is incorrect, please me know how to fix it. Thank you!

5 0
3 years ago
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Vlad1618 [11]

Answer:

A = 16   13unit^2 + 9unit^2 = 5 √10 = 15.8 = 16

Step-by-step explanation:

For Pythagoras we square route

= x^2 = 13^13 +  (one of the closer squares for x elimination)

x= 169 + 81        169 + 100       169 + 49   169+64     169 + 121

x = 250    or         269       or     218        or  233     or  290

x= 5√10 or 15.8    or   √269 269   or    √218 2.8     or  √233 or 2.33 ( or  √290 = ( √48+2) or 2.9

6 0
3 years ago
Solve the equation using the quadratic formula. x^2-4x+3=0
almond37 [142]
Let's solve your equation step-by-step.

x2−4x+3=0

Step 1: Factor left side of equation.

(x−1)(x−3)=0

Step 2: Set factors equal to 0.
x-1=0 or x-3=0

For this one add one on both sides
x−1+1=0+1 x=1
For this one add 3 on both sides
x−3+3=0+3. x=3

x=1 or x=3
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3 years ago
Estimate the tax on shoes that cost $68.50 when the sales tax rate is 8.25%.
Bond [772]
It would cost $74.15 for the shoes
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4 years ago
2x-13x+15=0 nature of roots
Natalija [7]
The nature of roots is 2348
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