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Bond [772]
3 years ago
15

If the sides of a cube are 5 ft long, then its volume is

Mathematics
1 answer:
Ghella [55]3 years ago
3 0
Hey there OfficialKata!

Question: 
<span>If the sides of a cube are 5 ft long, then its volume is...

Answer:
125 ft</span>³<span>

Volume=s</span>³<span>

Volume=5</span>³
<span>
Volume=125</span>³<span>

Hope this helps!

-Jayden</span>
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Subtract -2x^2+4x-1−2x
vivado [14]

Answer:

8x²- x -8

Step-by-step explanation:

The question is not well written. I guess what you mean is:

Subtract -2x^2+4x-1 ( minus 2x squared plus 4x minus 1) from 6x^2+3x-9 (6x squared plus 3x minus 9).

To  subtract -2x^2+4x-1 from 6x^2+3x-9, that is

6x^2+3x-9 - (-2x^2+4x-1). This can be written as

6x²+3x-9 - (-2x²+4x-1)

Now, opening the bracket, we will get

6x²+3x-9 +2x²-4x+1

Then, collecting like terms, we get

6x²+2x²+3x-4x-9+1

6x²+2x² = 8x²

3x-4x = -x

-9+1 = -8

∴6x²+2x²+3x-4x-9+1 becomes

8x²-x -8

The answer is 8x²-x -8.

7 0
3 years ago
An actor invests some money at 7%, and $48000 and more than twotimes the amount of 9%. The total annual interest earned from the
forsale [732]

Answer:

At 7% $54,000

At 9% $156,000

Step-by-step explanation:

Let x be the amount invested at 7%, Then 2x + 48000 will be the amount invested at 9%

We know that:

7% = 0.07 & 9% = 0.09

So we can write the interest equation as follows:

0.07x + 0.09 (2x + 48000) = 17820

0.07x + 0.18x + 4320 = 17820

0.25x + 4320 = 17820

Subtracting 4320 from both sides of the equation we get:

0.25x = 17820 - 4320

0.25x = 13500

Dividing both sides of the equation by 0.25 we get:

x = 13500 / 0.25

x = $54,000 invested at 7%

&

2 x 54000 + 48000

= $156,000 invested at 9%

Hence the amount invested at 7% is $54,000.

& the amount invested at 9% is $156,000.

5 0
3 years ago
1.The triangle ABC has the vertices A(-9, -3) B(1. -3), C(-9, 6)
Nina [5.8K]

Answer:

1. A

2. D

3. D

4. C

Hope this helps! :)

3 0
2 years ago
Write an expression to represent the original tiles then simplify.
dmitriy555 [2]

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5 0
2 years ago
What is the solution to this equation? ​
slamgirl [31]

Answer: No solution.

Step-by-step explanation:

1. The lines are parallel.

2. If you solve the system of equations you would end up with 0x, so you cannot solve for x.

4 0
2 years ago
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