3 years ago

If the width of a rectangle is x + 1 x and its length is 3x x2 - 1 , then its area is

Mathematics

2 answers:

Ronch [10]3 years ago

5 0

Answer:

Area = 3x^5+3x^4-3x^3-3x^2

Step-by-step explanation:

Area equals length times width

x(x+1) * 3x(x^2-1)

(x^2+x) * (3x^3-3x)

3x^2(x+1)(x^2-1)

3x^5+3x^4-3x^3-3x^2

Reika [66]3 years ago

4 0

I’m not sure of the answer .............

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Plz help ill give brainliest

kipiarov [429]

Answer:

243 in^3

Step-by-step explanation:

Cut into 2 rectangles

First one would be ..

12 x 8 = 96

second one would be

7 x 21 = 147

Add them together

147 + 96 = 243

7 0

3 years ago

Pls help on #7 I will give brainiest ! 7th grade level

valentina_108 [34]

Answer:

Step-by-step explanation:

To solve this problem you multiply 6 by 100 and then divide the total by 12 as follows: (6 x 100) / 12

4 0

2 years ago

If 10% is deducted from a bill, $58.50 remains to be paid. How much is the bill?

patriot [66]

Answer:

got u

Step-by-step explanation:

$64.35

58.50 plus 10% equals 64.3t

7 0

3 years ago

Camille is attending a fundraiser. She pays for her admission and buys raffle tickets for $5 each. If she buys 10 raffle tickets

kompoz [17]

Answer:85+5r

Step-by-step explanation:

6 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%2B4%7D%7B3%7D%20%3D5" id="TexFormula1" title="\frac{x+4}{3} =5" alt="\frac{x+4}{3}

Paul [167]

Multiple both sides by 3
X+4=15

X=15-4

X=11

5 0

2 years ago