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AnnyKZ [126]
3 years ago
12

ASAP: NOW

Mathematics
1 answer:
fredd [130]3 years ago
7 0

Answer:

Step-by-step explanation:

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If the average of x and y is 11 and the average of x, y and z is 5, what is the value of z? ​
mixer [17]

Answer:

z = -17

Step-by-step explanation:

If the average of x and y is 11, then;

x+y/2 = 11

x+y = 2 + 11

x+y = 22 .... 1

similarly, if average of x, y and z is 5, then;

x+y+z/3 = 5

x+y+z = 3*5

x+y+z = 15

Since x+y = 22

22 + z = 5

z  = 5 - 22

z = -17

Hence the value of z is -17

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3 years ago
What is the factored form of b3 − 1,000?
DochEvi [55]

Kindly, check the attachment below to see the answer.

7 0
2 years ago
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victus00 [196]

Answer:

2x^3-8x+5x^2-20

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

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

(2x+5)(x+2)(x-2)

7 0
2 years ago
QUICK
timama [110]

Answer:$590

Step-by-step explanation:

500*6%=30

30*3=90

500+90=590

8 0
3 years ago
Sam spends 12.5% of his day doing homework. There are 24 total hours in one day. Which proportion could be used to calculate the
otez555 [7]
Homework =  12.5% of 24 hours  = 0.125 x 24  = 3 hours

Sam spent <u>3 hours</u> on homework.

Proportion of the time spent on homework = 3/24 = 1/8

Answer: Same spent 1/8 of his day on homework.
6 0
3 years ago
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