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Stolb23 [73]
3 years ago
7

Select all the correct answers. Select all the Expressions that are equivalent to the polynomial below. (3x-7)(2x+8)

Mathematics
2 answers:
kodGreya [7K]3 years ago
8 0

Answer:4(x − 4) + 2(3x2 + 3x − 20)

(3x2 + 5x − 28) + (3x2 + 5x − 28)

(11x2 + 7x − 55) − (5x2 − 3x + 1)

Step-by-step explanation:

Leno4ka [110]3 years ago
4 0

Answer:

6x ² - 10x - 56

Step-by-step explanation:

(3x -7) (2x +8)

To expand this, each term in the first bracket would multiply the other bracket.

3x(2x +8) -7( 2x + 8)

6x ² + 24x - 14x - 56

6x ² + 10x - 56

I hope this was helpful, Please mark as brainliest²

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A triangle has an angle that measures 95°. The other two angles are in a ratio of 3:14. What are the measures of those two angle
Marta_Voda [28]

Answer: 15° and 70°

Step-by-step explanation:

The sum of angles of a triangle is 180.

One of the angle is given to be 95°, this means that the sum of the remaining two angles will be ;

180 - 95 =  85°

The ratio of the two sides is given to be 3 : 14

Calculating the angles of each ,the angle with the ratio 3 will be

3/17 x 85 = 15°

The angle with the ratio 14 will be

14/17 x 85 = 70°

Therefore : the measures of the two angles are : 15° and 70°

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3 years ago
Two angles are complimentary. One angle measures 69 degrees. The other measures ( 5n + 1). What is the value of n?
iren [92.7K]

Answer:

Step-by-step explanation:

complimentary angles, when added = 90 degrees

69 + 5n + 1 = 90

5n + 70 = 90

5n = 90 - 70

5n = 20

n = 20/5

n = 4 <====

6 0
3 years ago
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Answer:

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Step-by-step explanation:

Count the numbers in between (0,0) and (0,7).

5 0
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