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Snowcat [4.5K]
3 years ago
12

Find the volume of the box. Use the formula V = lwh. Rectangular box with sides x plus 2, 2x minus 1, and 3x plus 1.

Mathematics
1 answer:
nata0808 [166]3 years ago
3 0
I got.......6x^3 + 5x^2 - 3x - 2................not sure though
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The ratio of the price of a tv to the price of a computer is 13:15 if the tv 400 dollars cheaper than the computer, how much doe
Basile [38]

The computer cost is $3000

Step-by-step explanation:

The given is:

  • The ratio of the price of a tv to the price of a computer is 13 : 15
  • The tv 400 dollars cheaper than the computer

We need to find the cost of the computer

Assume that the price of the computer is $x

∵ The ratio between the prices of the tv and the computer is 13 : 15

∵ The price of the computer is $x

∵ The price of the tv 400 dollars cheaper than the computer

- That means the price of the tv is less than the price of the

  computer by $400

∴ The price of the tv is $(x - 400)

By using the ratio method

→  tv              :    computer

→  13              :    15

→  (x - 400)   :    x

By using the cross multiplication

∴ 15(x - 400) = 13(x)

- Simplify the left hand side

∴ 15x - 6000 = 13x

- Add 6000 to both sides

∴ 15x = 13x + 6000

- Subtract 13x from both sides

∴ 2x = 6000

- Divide both sides by 2

∴ x = 3000

The computer cost is $3000

Learn more:

You can learn more about the ratio in brainly.com/question/4847829

#LearnwithBrainly

5 0
2 years ago
Wh8ch equation represents a linear function: A, y=2x^+1 B, y^=3x+1 C, y=5x-1 D y=4x^^-1
Gemiola [76]
C is your answer since it is the only one without any exponents
4 0
3 years ago
What is the area of a rectangle with a width of x2 + x + 1 and a length of<br> 3x2 - 2x - 1?
nata0808 [166]

Answer:

x^{4} + 3x³ - 3x - 1

Step-by-step explanation:

The area (A) of a rectangle is calculated as

A = lw ( l is the length and w the width ) , thus

A = (3x² - 2x - 1)(x² + x + 1)

Each term in the second factor is multiplied by each term in the first factor, then

A = 3x²(x² + x + 1) - 2x(x² + x + 1) - 1(x² + x + 1) ← distribute parenthesis

   = 3x^{4} + 3x³ + 3x² - 2x^{4} - 2x² - 2x - x² - x - 1 ← collect like terms

   = x^{4} + 3x³ - 3x - 1

7 0
2 years ago
What clue does the author include to let the reader
vodka [1.7K]

Answer:

The author says the alligator is hungry because "vittles are scarce."

Step-by-step explanation:

I took the quiz :)

8 0
3 years ago
Read 2 more answers
Can someone help me please with both questions?
cluponka [151]
He really put a link
5 0
3 years ago
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