2 years ago

Distance between two points What is the length of the line?

Mathematics

1 answer:

Gemiola [76]2 years ago

4 0

Answer: B

Step-by-step explanation:

The horizontal change is 6.

The vertical change is 5.

So, the distance is $\sqrt{6^2 + 5^2}=\sqrt{61}$

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F(x)=2x^(2)-5x-20 find f(-9)

Fed [463]

Answer:

Step-by-step explanation:

$f(x) = 2 {x}^{2} - 5x - 20$

To find f(-9) , substitute the value of x that's - 9 into f (x). That is for every x in f(x) replace it with - 9

We have

$f( - 9) = 2 ({ - 9})^{2} - 5( - 9) - 20 \\ = 2(81) + 45 - 20 \\ = 162 + 25 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = 187 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

We have the final answer as

Hope this helps you

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Multiply terms with the same bases and exponents

White raven [17]

Keep the base add the exponents

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3 years ago

2) y = 3.x – 5; Find y if x = 8

dangina [55]

Answer:

y=19

Step-by-step explanation:

y=3(8)-5

y=19

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3 years ago

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What is the area of a square with a side length of 3 / 5 yard ?

STatiana [176]

3/5 times 3/5 times 3/5 times 3/5 is the area. all sides are the same on a square

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3 years ago

A smaller square is located inside a larger square. the length of the smaller square is 7 cm, and the length of the square is 12

patriot [66]

Let S=larger square side and s=smaller square side. The area between the larger and smaller is simple the larger area minus the smaller area. The area of any square being s^2. So our remaining area is:

A=S^2-s^2

A=144-49=95 cm^2

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3 years ago