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Luba_88 [7]
2 years ago
15

PLEASE HELP! Find the measure of the indicated angle.

Mathematics
1 answer:
Ivahew [28]2 years ago
8 0

Answer: 129^{\circ}

Step-by-step explanation:

By the exterior angle theorem, m\angle{QRX}=49^{\circ}+80^{\circ}=129^{\circ}

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12a+6b equivalent expression
patriot [66]

Answer:

6(2a+b)

Step-by-step explanation:

The given expression is

12a+6b

To find the equivalent expression of the given one, we just have to factor.

In this case, the only thing we can do to rewrite is to extract the common greatest factor, which is 6

12a+6b\\6(2a+b)

Therefore, the equivalent expression is

6(2a+b)

5 0
3 years ago
Number expression for 84
Evgesh-ka [11]

Answer:

How do we get a bigger number? Subtracting or dividing will just make it smaller. So we have to multiply. We need it about 4 times bigger (3 x 28 = 84, 4 x 28 .

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
6k &lt; 100<br> Check all that are true.<br><br> k = 5<br><br> k = 15<br><br> k = 10<br><br> k = 20
Elden [556K]

Answer:

True: 5, 15,  and 10

Step-by-step explanation:

6*5=30 Correct, 30 is less than 100

6*15=90 Correct, 90 is less than 100

6*10=60 Correct, 60 is less than 100

6*20=120 Wrong, 120 is greater than 100

7 0
3 years ago
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A submarine 625 feet below sea level ascends (rises up) 575 feet before descending (submerging down) another 455 feet. Describe
blagie [28]

Answer:

505ft below the surface

Step-by-step explanation:

subtract 575 from 625 and then add 455 to get your final answer.

4 0
3 years ago
If (4x−7)2=ax2+bx+c for all values of x, what is the value of c(b+a)?
ollegr [7]

Answer:

  -1960

Step-by-step explanation:

The expression on the left expands to ...

  (4x -7)² = (4x)² +2(4x)(-7) +(-7)² = 16x² -56x +49

Matching coefficients, you have ...

  • a = 16
  • b = -56
  • c = 49

Then the expression c(b+a) evaluates to ...

  49(-56+16) = 49(-40) = -1960

8 0
3 years ago
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