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Dafna1 [17]
3 years ago
8

Which expression is equivalent to 9x - (x − 8)(x + 1) + 10x? - x² + 19x+8 -x^2+26x+8 8x^2 + 10x+8 8x^2 +26x+8

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
7 0

Answer:

173x^2+107x+24

Step-by-step explanation:

9x-x^2+7x+8+10x-x^2+19x+8-x^2+26x+88x^2+10x+88x^2+26x+8

173x^2+107x+24

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What is the mean of the set of numbers -11 -22 -2 and -3
Lostsunrise [7]

Answer: Mean= (-) 9.5

Explanation:

We have given that ,

The set of numbers are -11, -22, -2, -3

Since we have  the numbers which are negative only  so the mean will be negative as well.

∴ Mean = \frac{\text{Sum of observations}}{\text{Total no. of observations}}

So it becomes ,

Mean = \frac{-11-22-2-3}{4}

         = \frac{-38}{4}

         = (-)9.5

∴ Mean of given set of numbers = (-) 9.5

4 0
3 years ago
Read 2 more answers
Jackson picked apples for his family. He picked a total of 8 1/4 pounds. He took 3 3/4 pounds to his aunt and 2 3/8 to his mothe
GalinKa [24]

Answer: 2 1/8 pounds of apples were left to give his grandmother.

Step-by-step explanation:

He picked a total of 8 1/4 pounds. Converting 8 1/4 pounds to improper fraction, it becomes 33/4 pounds.

He took 3 3/4 pounds to his aunt. Converting 3 3/4 pounds to improper fraction, it becomes 15/4 pounds.

He also took 2 3/8 to his mother. Converting 2 3/8 pounds to improper fraction, it becomes 19/8 pounds.

The total number of apples that he gave to his aunt and mother is

15/4 + 19/8 = 49/8 pounds

The number of pounds of apples left to give his grandmother is

33/4 - 49/8 = 17/8 = 2 1/8 pounds

7 0
3 years ago
A que llamamos variación directa e inversa a la vez?
kati45 [8]

Answer:

En una variación directa, un factor aumenta a medida que el otro factor lo hace también. 12. En una variación inversa, un factor aumenta pero el otro factor disminuye.

5 0
2 years ago
Evaluate the expression when <br> =n8<br> .<br> −n216
Romashka-Z-Leto [24]
-8 x 217 = 1728
I believe this is correct
7 0
4 years ago
Find the value of x:<br> please help fast
DedPeter [7]

Answer:

BC×AD=K

CKD= 180-32-79= 2x +180- 5x

-> x = (-32-79) : (-3) =37

4 0
4 years ago
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