How do i simplify 81^5 = 3x

Answers

Answer 1
Answer:

Step-by-step explanation:

81/5=3x

x=81×1/5×3

x=81/15


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Find X and Y please !
Can you please give me a short brief answer
Simplify the expression 8^2 + 9 (12/3 x 2)-7. Explain each of your steps
Please show you're work! THANKS! Need help asap

Eight times the difference of y and nine

Answers

Eight times the difference of y and nine will be 8(y - 9).

It should be noted that eight times the difference of y and nine simply means that one has to subtract 9 from y and then multiply the difference by 8.

Therefore, eight times the difference of y and nine will be 8(y - 9).

In conclusion, the correct option is 8(y - 9).

Read related link on:

brainly.com/question/16081696

Answer:

(y-9)8

Step-by-step explanation:

you first solve 8-9, and then multiply is by 8.

For which value of k does the system has no solutions?Equation:
3x + y = 4
kx + y = −2
Answers:
A: -3
B: -2
C: 3
D: 4

Answers

Answer:

The answer to this question is 4

Step-by-step explanation:

Which number is an irrational number?StartFraction negative 22 Over 9 EndFraction
Negative StartRoot 3 EndRoot
2.56
StartRoot 15 EndRoot

Answers

Answer:

B

Step-by-step explanation:

Answer:

B is correct!!!  -squareroot of 3

Step-by-step explanation:

A triangle with vertices (-2,3), (5,4), and (-1,-1) is translated using the rule (x,y) (x-3, y+4) what are the coordinates of the image?

Answers

Answer:

(-5,7)(2,8)

Step-by-step explanation:

your just adding and subtracting the x and y with the rule it gives you

The cost of advertising in a local paper for one week is:28 cents per word plus 75 cents
a) What is the cost of an advertisement of 15 words for one week?
b) What is the greatest number of words in an advertisement costing up to $8 for one week?
c) If an advertisement is run for two weeks, the cost for the second week is reduced by 30%. Calculate the total cost for an advertisement of 22 words for two weeks.

Answers

Answer:

a) 495 cents

b) 25 words

c) 1174.7 cents

Step-by-step explanation:

a) The cost is equal to 28 x 15 + 75 which equals 420 + 75 which equals 495 cents.

b) (800 cents - 75) divided by 28

= 725 / 28

= 25.9

Since you cannot have 0.9 of a word it is rounded down to 25.

c) 22 words in the first week will cost 22 x 28 + 75 = 616 + 75 = 691 cents

In the second week it will cost 30% less which means it will only cost 70% of the ordinary price. Therefore the second week will cost:

0.7 x 691 = 483.7 cents

Total = 483.7 + 691

        = 1174.7 cents

Hope this helps :)

8x + 4y= 12
2x+ y= 3

Answers

are you suppose to find x or y? or both?