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11111nata11111 [884]
2 years ago
13

What is the answer to √a³-7 + -4

Mathematics
1 answer:
Oksanka [162]2 years ago
4 0

Answer:

√a^3−7-4

Step-by-step explanation:

Replace all occurrences of + − with a single −. A plus sign followed by a minus sign has the same mathematical meaning as a single minus sign because 1⋅ −1= −1

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Help!! 10 pts and brainliest!
kap26 [50]

Answer:

99 square units

Step-by-step explanation:

The scale factor works for linear dimensions like length, width, and perimeter. For a scale factor of k, area changes by k^2.

Here you have a scale factor of 3, so the4 area increases by a scale factor of 3^2 which is 9.

original area = 11 square units

scaled area = 9 * 11 square units = 99 square units

5 0
3 years ago
Calculate the value of x and state the geometric relationship
Allisa [31]
They are same side interior angles and same side interior angles are supplementary (add up to 180 degrees).
So, 6x+12+4x+18=180
Combine like terms:
10x+30=180
Subtract 30 from both sides:
10x=150
Divide both sides by 10:
x=15.

Therefore, the angles are same-side interior angles and x=15.
4 0
3 years ago
A metal rod is 7/8 Meters long. It will be cut into pieces that are each 1/56 meters long. How many pieces will be made from the
damaskus [11]
49 pieces because 7/8 is equivalent to 49/56. If each piece is 1/56, then there 49 of them.
6 0
3 years ago
The sum of complementary angles is ______________
pav-90 [236]

Answer:

Complementary angles are 90 degrees

Step-by-step explanation:

Supplementary angles are 180

Hope this helps:))))

8 0
3 years ago
What is the difference of the polynomials? (5x - 3) - (2x + 7).​
alukav5142 [94]

Answer:

The answer is

<h2>3x - 10</h2>

Step-by-step explanation:

(5x - 3) - (2x + 7).

<u>Remove the brackets</u>

That's

5x - 3 - 2x - 7

<u>Group like terms and simplify</u>

That's

5x - 2x - 3 - 7

We have the final answer as

<h3>3x - 10</h3>

Hope this helps you

7 0
3 years ago
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