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konstantin123 [22]
3 years ago
12

(25 points & Brainliest, please explain)

Mathematics
2 answers:
vitfil [10]3 years ago
8 0

Answer:

B) Quadratic expression

Step-by-step explanation:

5x + 3x² - 7

3x² + 5x - 7

My name is Ann [436]3 years ago
6 0

Answer:

Quadratic expression

Step-by-step explanation:

5x + 3x^2 − 7

Degree of expression = 2

So it is Quadratic expression

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Kate has a coin collection. She keeps seven of the coins in a box, which is only 5% of her entire collection. What is the total
tia_tia [17]

Answer:

D. 140

Step-by-step explanation:

8 0
3 years ago
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G(x) = -3/2x-9, if G(x) = -48, find x
Svetlanka [38]

Answer:

x=26

Step-by-step explanation:

first rewrite the problem since u know that G(x)=-48

-48=-3/2x-9

second you want to add the 9 to -48 which gives u -39

-39=-3/2x

third you want to times the reciprocal so it would be

-2/3 times -39/1

u can cross out the negatives and turn them into a positive

fourth you can cross cancel 3 and 39 which now the problem looks like this

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6 0
3 years ago
((negatives and positives))<br>(-2) + (-15) - (-3)​
borishaifa [10]

Answer:

14

Step-by-step explanation:

(-2) + (-15) - (-3)​

~Simplify

-2 - 15 + 3

~Subtract

-17 + 3

~Add

-14

Best of Luck!

6 0
3 years ago
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The sum of a whole number and its square is 90. Find the number is the number 9
hichkok12 [17]

Answer:

Yes, the number is 9.

Step-by-step explanation:

81 is 9², and 90 is their sum.

4 0
3 years ago
Jessica earns $12.50 an hour cleaning houses. If she works from 8:00am to 3:00pm, how much money will she make ?
Westkost [7]
5*12.5=62.5
Hope it helps
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