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Fed [463]
3 years ago
10

5 min 0 sec minus 35 sec

Mathematics
1 answer:
nata0808 [166]3 years ago
5 0
4 minutes and 25 seconds
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to increase the mean of 4 numbers by 2, by how much would the sum of the 4 numbers have to increase? check image.
solong [7]

Answer:

8

Step-by-step explanation:  

x=average

(x+x+x+x)/4=average

to increase x by 2 you add 2

x+2=average

(x+2+x+2+x+2+x+2)=4=(4x+8)/4=x+2

you'd have to increase the sum by 8 to make the numbers' averages' go up by 2

8 0
2 years ago
Please help!!!<br> picture below
iVinArrow [24]

Answer:

4^3x=4^(4x+4)

Step-by-step explanation:

You can eliminate the first 2 options since those don’t make sense already, and the last option changed 64 to 2^6 which is correct, but when they changed the other side. They should have multiplied 8 to both x and 1 which would have made the whole term 2^(8x+8) and not 2^(8x+1). Left with the third option, 4 to the power of 3 is 64 so the left side makes sense, 4^3x=64^x, on the right side, 4^4 equals 256, so the whole exponent should multiply by 4 so from 256^(x+1) you get 4^4(x+1) giving 4^(4x+4) making the third choice the right answer.

6 0
2 years ago
Which is a list of all the zeros of x^5 + 7x^4 = 18x³?
Andrei [34K]

Answer:

B

Step-by-step explanation:

Because there is three numbers

3 0
2 years ago
PLEASE WILL GIVE BRAINLEST \
Lesechka [4]

Answer:

First statement is wrong

Step-by-step explanation:

Forgive me if I am wrong

7 0
3 years ago
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PLZ HELP !!!! WILL MARK BRAINLIEST, THIS IS DUE IN 15 MINUTIES !!!ANYONE PLEASEPLZ HELP !!!! WILL MARK BRAINLIEST, THIS IS DUE I
dlinn [17]

Answer:

C!!!!!!!!!!!!!!!!!!!!!

Step-by-step explanation:

Have a good day UvU

7 0
3 years ago
Read 2 more answers
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