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3 years ago

How do you expand 2(x-5)^2+3 to get general form

Mathematics

2 answers:

svp [43]3 years ago

8 0

The answers

2x^2-20x+53

KIM [24]3 years ago

8 0

Y=2(x-5)^2+3 Y=2(x-5)(x-5)+3) Foil method Y=2(x(x-5)+5(x-5)+3) Y=2(x^2-5x+5x+25)+3 Y=2(x^2-10x+25)+3 Y=2x^2-20x+50+3 Y=2x^2-20x+53

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The perimeter of a triangular sail is 44 feet. One side of the sail measures 18 feet and the second side measures 11 feet. What

Fantom [35]

Answer: The length of third side is 15.

Step-by-step explanation:

Alright, lets get started.

Please refer the diagram I have attached.

The perimeter of given triangle is 44.

One side, suppose a is 18.

Second side, suppose b is 11.

Suppose, third side is c.

So the perimeter will be :

$18+11+c=44$

$29+c=44$

Subtracting 29 in both sides

$29+c-29=44-29$

$c=15$

Hence the length of third side is 15. Answer

Hope it will help :)

6 0

3 years ago

What is the volume of the following prism?

ira [324]

Answer: $\Large\boxed{B.~\displaystyle 75~m^3}$

Step-by-step explanation:

Given information

Height = 2 m

Base = 5 m

Length = 15 m

Given the formula for Triangular Prism Volume

$V~=~\displaystyle \frac{1}{2}\times ~b~\times~h~\times~l$

$\to V=Volume\\\to b=base\\\to h = height\\\to l = length$

Substitute values into the formula

$V~=~\displaystyle \frac{1}{2}\times ~(5)~\times~(2)~\times~(15)$

Simplify by multiplication

$V~=~\displaystyle \frac{5}{2}~\times ~30$

$\Large\boxed{V~=~\displaystyle 75~m^3}$

Hope this helps!! :)

Please let me know if you have any questions

3 0

1 year ago

how many 1 3/5 inch thick books can fit on a 14 1/2 inch long bookshelf? help as soon as you can please

pychu [463]

Answer:

9 1/16 or about 9 books

Step-by-step explanation:

14.5÷1.6=9.625 9.625= about 9

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3 years ago

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Vikentia [17]

Answer:

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Step-by-step explanation:

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3 years ago

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Tresset [83]

Answer:

-4/8 i think

Step-by-step explanation:

-9/8 + 5/8 = -4/8

4 0

3 years ago

Read 2 more answers