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quester [9]
3 years ago
8

F(x)=4(x+2)(x+2)-6 in standard form

Mathematics
1 answer:
ollegr [7]3 years ago
8 0

Answer:

4x^2 + 4x -2

Step-by-step explanation:

Use FOIL to solve (x+2) (x+2)

4(x^2 + 4x +4) - 6

4x^2 + 4x -2

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What is the volume of a box with a width 2 1/2 inches, length 1 3/4 inches, and height 3 1/4 inches?
enot [183]

Answer:

The volume of the box is 41.21 inches cube.

Step-by-step explanation:

Given,

Width of the box 2\frac{1}{2} inches

                           =\frac{5}{2} inches  

Length of the box 1\frac{3}{4}inches

                           =\frac{7}{4} inches

Height of the box 3\frac{1}{4} inches

                            = \frac{13}{4} inches

The box is in cuboid form.

The volume of cuboid is given by (length × breadth × height ).

So,

volume of the box is  ( \frac{5}{2}  × \frac{7}{4} × \frac{13}{4} )

                                    = ( \frac{455}{32} )

                                    = 14.21 inches cube

 The volume of the box is 41.21 inches cube.

8 0
3 years ago
Jack and Jill live 345 miles apart from one another. They want to meet for lunch and agree to leave the
Novosadov [1.4K]

It will take them 3 hours to meet

Step-by-step explanation:

The given is:

  • Jack and Jill live 345 miles apart from one another
  • They want to meet for lunch and agree to leave the  same time, drive toward each other, and meet somewhere along the route
  • Jack's average rates 60 mph
  • Jill's average rate is 55 mph

We need to find how long it will take them to meet

Distance = Speed × Time

∵ They will drive toward each other at the same time and meet

   each other somewhere

- That means they will drive for the same time

∵ Jack's average rates 60 mph for t hours

∴ Jack will drive a distance = 60 × t = 60 t  miles

∵ Jill's average rate is 55 mph for t hours

∴ Jill will drive a distance = 55 × t = 55 t  miles

∵ The distance between Jack and Jill is 345 miles apart

- Add their distance above and equate the sum by 345

∴ 60 t + 55 t = 345

∴ 115 t = 345

- Divide both sides by 115

∴ t = 3 hours

It will take them 3 hours to meet

Learn more:

You can learn more about the word problems in brainly.com/question/3950386

#LearnwithBrainly

5 0
3 years ago
(-2, 7) and (-2, 14)<br> Slope
Basile [38]

Answer:

There is no slope ( Undefined)

I hope this helps you

5 0
3 years ago
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Solve the system of linear equations by substitution.<br><br> 8x−13y=0<br><br> 12x+3=y
kogti [31]
X=-0.61 and Y is 4 is I did my math right
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Tonya took out a loan to help pay for her house. She borrowed $60,000 for 15 years at a yearly simple interest rate of 5%. How m
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I got 45000 for this one.
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