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Ainat [17]
3 years ago
6

1. (x + 5)(x - 2) what’s the answer ^

Mathematics
2 answers:
Gnesinka [82]3 years ago
7 0
X^2-2x+5x-10
x^2+3x-10
ivolga24 [154]3 years ago
6 0

Answer:

x^2 + 3x - 10

Step-by-step explanation:

(x + 5)(x - 2)

Using distributive property we have

x x x - x x 2 + 5 x x - 5 x 2

x^2 -2x + 5x - 10

x^2 + 3x - 10

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Simplify the expression x^2+x-2/8x^2+4x/3x^2+10x+8
irina [24]

Answer:

Step-by-step explanation:

x² + x  - 2 = x² - x +2x -2 = x(x - 1) + 2*(x-1)  = (x-1)(x+2)

8x² + 4x = 4x ( 2x + 1)

3x² + 10x + 8 = 3x² + 6x + 4x + 4*2  =3x  * (x + 2) + 4 * ( x + 2) = (x + 2)(3x + 4)

6 0
3 years ago
What percent of 72 is 48 with step by step process
Sedaia [141]

Answer:

67%

Step-by-step explanation:

There are a few methods to finding the percent of a number.  You can use proportions:

\frac{percent}{100}=\frac{48}{72}

The 'percent' is the percent of the fraction that you are looking for, or 48/72.

Cross-multiply:  72x = (48)(100) or 72x = 4800

Divide both sides by 72:  72x/72 = 4800/72

Solve for 'x':  x = 66.6666...

Round 66.666.... to the nearest percent: 67%

8 0
3 years ago
50 POINTS + BRAINLIEST
BARSIC [14]

slope = rise over run = y/x

A (-1,3) slope = 3/-1 = -3

B (1,2) slope = 2/1 = 2

C (-3,-1) slope = -1/-3 = 1/3

2 lines need to be negative reciprocals in order to be a right triangle

negative reciprocal of -3 is 1/3

 so this is a right triangle


3 0
4 years ago
Read 2 more answers
Math!! Who knows answers???
Yanka [14]

option C for Qno10

and option a for Qno 9

6 0
4 years ago
If a triangle being has an area of 10 square feet what is the length and width of the cover
bekas [8.4K]
Question needs elaboration.

7 0
3 years ago
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