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anzhelika [568]
3 years ago
13

Which expression is equivalent to (r^-7)^6?A: r^42B: 1/r^42C: -7r^6D: 1/r​

Mathematics
1 answer:
cricket20 [7]3 years ago
6 0

Answer:

B

Step-by-step explanation:

(r^-7)^6 = r^-42 = 1/r^42

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PLEASE HELP
Svetach [21]

Answer:

Use the calculator.

Step-by-step explanation:

Do u use insta

8 0
3 years ago
What is the solution to the rational equation 1/5+3/x-5=9/20
yarga [219]
Solve for x over the real numbers:
-5 + 1/5 + 3/x = 9/20

-5 + 1/5 + 3/x = 3/x - 24/5:
3/x - 24/5 = 9/20

Bring 3/x - 24/5 together using the common denominator 5 x:
-(3 (8 x - 5))/(5 x) = 9/20

Cross multiply:
-60 (8 x - 5) = 45 x

Expand out terms of the left hand side:
300 - 480 x = 45 x

Subtract 45 x + 300 from both sides:
-525 x = -300

Divide both sides by -525:
Answer: x = 4/7
5 0
4 years ago
LOTS OF POINTSS!! PLEASE HELP 6TH GRADE MATH!!
grandymaker [24]

Answer:

ion even know Looooool just get good

Step-by-step explanation:

Learn it dont cheat

4 0
3 years ago
2 numbers that subtract to 1496
Sveta_85 [38]

Answer:

1521 and 25

Step-by-step explanation:

<em>First, note that a square number is what you get when you multiply a number by itself, which means that the square root of a square number will equal a whole number. Thus, this is what we are solving:</em>

<em>A2 - B2 = 1496</em>

<em>We solved the equation above and found this to be true:</em>

<em>39^2 - 5^2 = 1496</em>

<em>392 is 1521 and 52 is 25, therefore the answer to the question "What 2 square numbers subtract to make 1496?" is 1521 and 25 as illustrated below:</em>

<em>1521 - 25 = 1496</em>

<em />

<em>so your answer is 1521 -25 = 1496</em>

<em />

<em>hope this helps</em>

<em />

5 0
4 years ago
Which equation describes the relationship shown in the table?
Andrew [12]

Answer:

A

Step-by-step explanation:

i = items sold

p = profit

Based on the table, the profit is twice the number of items sold. Therefore the answer is A. Correct me if I'm wrong. I hope it helps.

7 0
3 years ago
Read 2 more answers
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