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3 years ago

If f(x)=-4x-5 and g(x)=3-x, what is f(5)?

Mathematics

1 answer:

lesantik [10]3 years ago

4 0

Answer:

f(5)=

$= 4x - 5 \\ = 4 \times 5 - 5 \\ = 20 - 5 \\ = 15$

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Answer:

I would say A

Step-by-step explanation:

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3 years ago

The front of an a-frame cabin in a national park is in the shape of a triangle, with an area of 248 ft. if the height is 1 ft

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The length of a rectangle measures 5/8 of a foot. The width of the rectangle measures 2 1/2 feet. What is the area of the rectan

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Answer:

1 9/16 square feet or 1.5625 square feet

Step-by-step explanation:

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2 years ago

Read 2 more answers

Find the standard deviation of 21, 31, 26, 24, 28, 26

Vesnalui [34]

Given the dataset

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We compute the difference bewteen each element and the average:

$x-\overline{x} = \{-6,\ 5,\ 0,\ -2,\ 2,\ 0\}$

We square those differences:

$(x-\overline{x})^2 = \{36,\ 25,\ 0,\ 4,\ 4,\ 0\}$

And take the average of those squared differences: we sum them

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And we divide by the number of elements:

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Finally, we take the square root of this quantity and we have the standard deviation:

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago