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Dafna1 [17]
2 years ago
9

Describe how (2^3)(2^-4) can be simplified.

Mathematics
2 answers:
Marat540 [252]2 years ago
8 0
Add the exponents and keep the same base. Then find the reciprocal and change the sign of the exponent.
Monica [59]2 years ago
6 0

Answer:

Add the exponents and keep the same base. Then find the reciprocal and change the sign of the exponent.

Step-by-step explanation:

your welcome

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Apply the distributive property to create a equivalent expression: (m-3+4n)x(-8)
mestny [16]

Answer:

(m - 3 + 4n)

Step-by-step explanation:

Please use * or · to indicate multiplication, not the letter "x."

Try this:  Multiply (m - 3 + 4n) by -8 (distributive property for multiplication);

-8(m - 3 + 4n) = -8m + 24 - 32n

3 0
3 years ago
Please help me plz I need help
oksian1 [2.3K]

Answer:

a) Speed of the cyclist is (2.75/0.4) = <u>6.875 miles per hour</u>.

b) It will take (5.5/6.875) = <u>0.8 hours</u> to travel 5.5 miles at this rate.

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5 0
2 years ago
Which of the following equations have complex roots?
valkas [14]

Answer:

B

Step-by-step explanation:

A:

Completing the square:  (x+ 7/2)^2 = -2 + 49/4 = 41/4, in the next step you'll be square rooting a positive number so it'll have real roots.

B:

Completing the square:  (x+3/2)^2 = -9 + 9/4 = -27/4, you'll next be square rooting a negative number, so it'll have complex roots

C:

Completing the square:  (x-5/2)^2 = -1 + 25/4 = 21/4, next you'll square root a positive number, so real roots

D:

Completing the square: (x+7/2)^2 = 2 + 49/4 = 57/4, square root a positive number, so real roots.

8 0
3 years ago
A hotel swimming pool is made up of four semicircles and a square. Find the perimeter of the swimming pool. Round your answer to
NeX [460]

Answer:

144

Step-by-step explanation:

5 0
2 years ago
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When a number is increased by 13, the result<br> is 43. What equation fits this statement?
Tanzania [10]

Answer:

Step-by-step explanation:5

7 0
2 years ago
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