3 years ago

- 5x + 9y = - 32 -5x - 3y = 4

Mathematics

1 answer:

Bad White [126]3 years ago

8 0

Answer: look at the picture

Step-by-step explanation: Hope this help :)

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-1•f(-8)-4•g(4) help please

MAXImum [283]

Answer:

8f-16g

Step-by-step explanation:

We have to simplify each term. So f becomes 8f. Then 4 times 4 becomes 16

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3 years ago

What is 1/3 + 1/4 please help me

xxMikexx [17]

Answer:

7/12

Step-by-step explanation:

1/3 + 1/4

We want a common denominator of 12

1/3 *4/4 + 1/4 *3/3

4/12 + 3/12

7/12

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3 years ago

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The ratio of boys to girls in Mr. Castillo's class is 2 to 3. Which of the following cannot be the total number of students in M

WARRIOR [948]

Answer is 24 because you cannot divide 24 by 5 without getting a decimal

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4 years ago

Triangle DEF has vertices located at D (2, 1), E (3,5), and F (6,2).

IRINA_888 [86]

Answer:

(A)

Length of DE = √17

EF = √18

DF = √17

(B) Slope of DE = 4

EF = 1

DF = 1/4

Step-by-step explanation:

See attached image.

3 0

3 years ago

What is the value of x in this proportion?

astra-53 [7]

Answer:

(a) x=−20 1/2

Step-by-step explanation:

Multiply by the product of the denominators and solve the resulting linear equation in the usual way.

$\dfrac{2}{7}=\dfrac{-5}{x+3}\\\\2(x+3)=-5(7)\qquad\text{multiply by $7(x+3)$}\\\\2x+6=-35\qquad\text{simplify}\\\\2x=-41\qquad\text{subtract 6}\\\\\boxed{x=-20\dfrac{1}{2}}\qquad\text{divide by 2}$

6 0

2 years ago