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3 years ago

What is the surface area of this composite figure?

Mathematics

1 answer:

andrew-mc [135]3 years ago

6 0

Answer:

1260 inches squared

Step-by-step explanation:

Bottom: 24*6=144

Bottom front: 24*12=288

Bottom back: 24*12=288

Left side: 6*2=72

Right side: 6*12=72

Left top: 6*15=90

Right top: 6*15=90

Top front: (24*9)/2=216/2=108

Top back: (24*9)/2=216/2=108

144+288+288+72+72+90+90+108+108=1260

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Solve f(x)=x²+7x+12/-x²-3x+4

Zarrin [17]

$x^2+7x+12=x^2+4x+3x+12=x(x+4)+3(x+4)=(x+4)(x+3)\\\\-x^2-3x+4=-(x^2+3x-4)=-(x^2+4x-x-4)\\\\=-[x(x+4)-1(x+4)]=-(x+4)(x-1)\\\\f(x)=\dfrac{x^2+7x+12}{-x^2-3x+4}=\dfrac{(x+4)(x+3)}{-(x+4)(x-1)}\\\\\text{The domain:} x\neq-4\ and\ x\neq1\\\\canceled\ (x+4)\\\\f(x)=\dfrac{x+3}{-(x-1)}=-\dfrac{x+3}{x-1}\ for\ x\neq-4\ and\ x=1$

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4 years ago

Ushma and her friends went to a movie that started at 7:35 PM the movie ended at 9:20 AM How long was the movie in hours and min

skelet666 [1.2K]

You might mean 9:20 PM if so the answer is 1 hour 45 minutes.

6 0

4 years ago

Read 2 more answers

Tito used 1 1/8 gallons of paint to paint 3/7 of a fence. How many gallons of paint would it take to paint the whole fence?

Lostsunrise [7]

1 1/8:3/7

How many gallons does it take to cover 1/7 of the fence?

1 1/8 divided by 3= 9/8 divided by 3/1 or 9/8*1/3=9/24 or 3/8.

It takes 3/8 of a gallon to paint 1/7 of a fence.

7*3/8= 7/1*3/8= 21/8.

I believe your answer is: it takes 21/8 or 2 5/8 gallons of paint to paint the whole fence.

3 0

3 years ago

Help plz that would be great

Misha Larkins [42]

Answer:

-8

Step-by-step explanation:

I got 8 from my calculations so im sure thats the anwser

8 0

3 years ago

What is 6.9371 + 79379.2 ?<br><img src="https://tex.z-dn.net/?f=6.9671%20%20%2B%2079379.2" id="TexFormula1" title="6.9671 + 793

AysviL [449]

6.9371 + 79379.2 = 79386.1371

79379.2 +

6.9371

---------------------

79386.1371

4 0

4 years ago