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3 years ago

15 pts + brainliest to right/best answer

Mathematics

2 answers:

il63 [147K]3 years ago

7 0

Split the second term in 5x^2 + 12 - 32 into two terms

5x^2 + 20x - 8x - 32

Factor out common terms in the first two terms, then in the last two terms

5x(x + 4) - 8(x + 4)

Factor out the common term: x + 4

IRISSAK [1]3 years ago

3 0

$5x^2+12x-32=5x^2+20x-8x-32=5x(x+4)-8(x+4)\\\\=\boxed{(x+4)(5x-8)}$

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What is the slope of the line that passes through the points<br><br> (-9, 8) and (-3, -1)?

Finger [1]

Answer: -3/2

Step-by-step explanation: the slope is calculated by the formula:

(y2 - y1)/(x2-x1)

So, (-1-8)/(-3-(-9)) = -9/6 = -3/2

8 0

3 years ago

What is the answer for 6a + 5a = -11

gayaneshka [121]

A= -1
You add the 6a and 5a.
Your equation is then 11a= -11
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7 0

3 years ago

Read 2 more answers

Which property of equality could be used to solve -3x = 348?

katrin [286]

Division property of equality because you divide the same by the same number on both sides of the equation

4 0

4 years ago

2-31. Write an equation and solve it to find the answer to the question below. Use the 5-D Process to help you write the equati

raketka [301]

r = 25+b

n = 3b

n+r+b=435

3b+25+b+b=435

5b+25=435

5b=210

b=42

r = 25+42 = 67

n = 3(42) = 126

6 0

4 years ago

A chocolate company produces 2 types of chocolate: type a and type b. The company selects 25 random packages of each type to che

Taya2010 [7]

Answer:

80 chocolates type 'a' and 240 chocolates type 'b'

Step-by-step explanation:

The company selects 25 random packages of each type from which one of type a has an incorrect weight and three of type b have an incorrect weight.

We can say that $\frac{1}{25}=0.04$ = 4% of the chocolates type 'a' have an incorrect weight while $\frac{3}{25}=0.12$ = 12% of chocolates type 'b' have an incorrect weight.

Now, if the company selects 2000 random chocolates of each type we ca predict that the amount of chocolates that have an incorrect wright will be:

Type 'a': 2000x0.04 = 80

Type 'b': 2000x0.12 = 240

So the company is expected to find 80 chocolates type 'a' and 240 chocolates type 'b' that have incorrect weight.

7 0

4 years ago