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kolezko [41]
3 years ago
13

What is the coefficient of q in the sum of these two expressions?

Mathematics
1 answer:
Viktor [21]3 years ago
3 0

Answer:

23 and - 16 are the coefficients

Step-by-step explanation:

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What expression is this equivalent to -4x^2 + 2x - 5(1 + x)
BabaBlast [244]

Answer:

-4x^2 -3x - 5

Step-by-step explanation:

-4x^2 + 2x - 5(1 + x)

Distribute

-4x^2 + 2x - 5 -5x

Combine like terms

-4x^2 -3x - 5

4 0
3 years ago
-8 • (6 + 3) + 390 + 6<br> Answer here
STALIN [3.7K]

Answer:

-8 • (6 + 3) + 390 + 6=324

Step-by-step explanation:

4 0
3 years ago
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If m&lt;ECD is six less than five times m&lt;BCE. and m&lt;BCD = 162°, find each measure.(Sorry bout using the wrong signs, but
tia_tia [17]

Answer:

m∠BCE = 28° and m∠ECD = 134°

Step-by-step explanation:

* Lets explain how to solve the problem

- The figure has three angles: ∠BCE , ∠ECD , and ∠BCD

- m∠ECD is six less than five times m∠BCE

- That means when we multiply measure of angle BCE by five and

 then subtract six from this product the answer will be the measure

 of angle ECD

∴ m∠ECD = 5 m∠BCE - 6 ⇒ (1)

∵ m∠BCD = m∠BCE + m∠ECD

∵ m∠BCD = 162°

∴ m∠BCE + m∠ECD = 162 ⇒ (2)

- Substitute equation (1) in equation (2) to replace angle ECD by

  angle BCE

∴ m∠BCE + (5 m∠BCE - 6) = 162

- Add the like terms

∴ 6 m∠BCE - 6 = 162

- Add 6 to both sides

∴ 6 m∠BCE = 168

- Divide both sides by 6

∴ m∠BCE = 28°

- Substitute the measure of angle BCE in equation (1) to find the

  measure of angle ECD

∵ m∠ECD = 5 m∠BCE - 6

∵ m∠BCE = 28°

∴ m∠ECD = 5(28) - 6 = 140 - 6 = 134°

* m∠BCE = 28° and m∠ECD = 134°

3 0
3 years ago
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Which expression has a value of 90?
ratelena [41]

Answer:

1. 73.2

2. 90

3. 80

4. 80

Step-by-step explanation:

you will have to divide 3,600 by 50

8 0
3 years ago
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Is 32.5 greater or less than 30.8<br><br>PLEASE HELP QUICKLY AS POSSIBLE THANK YOU :)​
ivann1987 [24]

Answer:

32.5 is greater than 30.8

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3 years ago
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