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3 years ago

Describe two ways to write equivalent algebraic expressions

Mathematics

1 answer:

Zolol [24]3 years ago

5 0

Answer:

See below.

Step-by-step explanation:

An example would be:

3x^2 + 6

and

3(x^2 + 2) .

The second way is found by dividing the first one by 3).

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Solving for x, please answer quickly D:

Tema [17]

We know, sum of all angles of a triangle is 180°.
Therefore, by the problem

72 + 64 + (4x+20) = 180

or, 156 + 4x = 180

or, 4x = 180 - 156

or, 4x = 24

or, x = 24 ÷ 4 = 6

<h3>Your answer is 6.</h3>

4 0

2 years ago

Read 2 more answers

Describe the interval(s) on which the function is continuous. (enter your answer using interval notation.)f(x) = xx + 6

Verdich [7]

F(x)=xx+6 = 1(x) =xx+7

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2 years ago

Find the sum and difference (first mixed number minus the second mixed number) for the following pair of mixed numbers. The answ

xz_007 [3.2K]

Answer:

Sum = 15 8/15, Difference = 1 2/15

Step-by-step explanation:

8⅓, 71/5

A. Sum

8⅓ + 7 1/5

Convert to improper fraction

25/3 + 36/5

Find the LCM of 3 and 5. The result is 15. Divide 15 by the denominator of each fraction and multiply the result obtained with the numerator. The result is shown below:

[(25×5) + (36×3)] / 15

[125 + 108] / 15

233 / 15

Convert to mixed fraction

15 8/15

B. Difference

8⅓ – 7 1/5

Convert to improper fraction

25/3 – 36/5

Find the LCM of 3 and 5. The result is 15. Divide 15 by the denominator of each fraction and multiply the result obtained with the numerator. The result is shown below:

[(25×5) – (36×3)] / 15

[125 – 108] / 15

17 / 15

Convert to mixed fraction

1 2/15

SUMMARY:

Sum = 15 8/15, Difference = 1 2/15

3 0

2 years ago

What is the greatest common factor of 3 and 27?

Drupady [299]

Answer:

Step-by-step explanation:

because 3 is the only number that goes into both 3 and 27

8 0

2 years ago

Read 2 more answers

What is (-7)^2 × (-7)? I will mark the Brainliest, thank, and comment! Thank you!

belka [17]

Answer:

The answer is -343.

Step-by-step explanation:

If a term doesn't have an exponent, it's considered that the exponent is 1 (so basically, (-7)² x (-7)^1.

Multiply the terms with the same base (by adding the exponents - (-7)²+1<- (as the exponential value) (couldn't find the sign so sorry.)

Add the numbers: (-7)³

A negative base raised to an odd power equals a negative: -7³

Write the problem out: -(7 x 7 x 7).

Multiply: -343

3 0

2 years ago