2 years ago

What is the equation for x=-3 and y=-7

Mathematics

1 answer:

Juli2301 [7.4K]2 years ago

8 0

Answer:

-7 = -3x + b

Step-by-step explanation:

i'm guessing because you have not provided a visual so i can not determine the B.

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What is the length of bc?

weeeeeb [17]

Pythagoraean theorem.
17^2=8^2+b^2
289=64+b^2
225=b^2
Sqrt(225)=b
B=15

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2 years ago

One number is four more than four times another. If their sum is decreased by six, the result is twenty-eight. Find the numbers.

Vsevolod [243]

let "one number" = x, and "another" = y

x = 4y + 4

(x + y) - 4 = 28

Plug in 4y + 4 for x

4y + 4 + y - 4 = 28

Simplify. Combine like terms

5y = 28

Isolate the y. Divide 5 from both sides

y = 28/5

y = 5.6

Plug in 28/5 for y.

x = 4y + 4

x = 4(28/5) + 4

Simplify

x = 22.4 + 4

x = 26.4

x = 26.4, y = 5.6

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2 years ago

Given F(x) = 7(1 - x), what is the value of F(-8) ?<br> Please help

andreev551 [17]

Answer:

Step-by-step explanation:

=7(1-(-8))

=7(9)

=63

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2 years ago

Read 2 more answers

What function is represented below

marusya05 [52]

The answer is number 2

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2 years ago

Describe the function over each part of its domain. State whether it is constant, increasing, or decreasing, and state the slope

Amanda [17]

The attached image completes the question.

Answer:

- The part (0, 12000) is constant and the slope is zero

- The part (12000, 38000) is decreasing and slope is negative 0.26.

Step-by-step explanation:

Checking the given graph, we see that

For x = 0 to x = 12,000, the values of y are unchanged. For this, we say it is constant.

The slope here is: 0.85 - 0.85 = 0

For x = 12,000 to x = 38,000, the values of y are decreasing. For this, we say it is negative.

The slope here is: 0.59 - 0.85 = -0.26.

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3 years ago