3 years ago

HELP ASAP AND GETS SOME POINTS AND BRAINLEST!!!!

Mathematics

2 answers:

lys-0071 [83]3 years ago

8 0

Answer:

Option D

Step-by-step explanation:

guajiro [1.7K]3 years ago

4 0

Answer:

9x² + 28x - 32

Step-by-step explanation:

Given

(9x - 8)(x + 4)

Each term in the second factor is multiplied by each term in the first factor, that is

9x(x + 4) - 8(x + 4) ← distribute both parenthesis

= 9x² + 36x - 8x - 32 ← collect like terms

= 9x² + 28x - 32

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Solnce55 [7]

Answer:

the cat weighs 21 pounds.

the dog weighs 43 pounds

Step-by-step explanation:

dog = 3x-20 = x + 22

cat = x

3x-20 = x+22

3x = x+42 (add 20 to both sides)

2x = 42 (subtract x from both sides)

x = 21

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3 years ago

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mariarad [96]

Answer:

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Step-by-step explanation:

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3 years ago

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Sphinxa [80]

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2 years ago

Read 2 more answers

What is the mean of the values in the dot plot?

kari74 [83]

Answer:

Mean = 19.5

Step-by-step explanation:

Mean = sum of numbers ÷ Amount of numbers

Mean = $\frac{16+17+17+17+17+19+19+19+19+21+22+22+23+25}{14}$

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Mean = 19.5

3 0

3 years ago