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Umnica [9.8K]
3 years ago
12

Factor the expression below. x3 − 27

Mathematics
2 answers:
Gekata [30.6K]3 years ago
4 0
Well, the formula is: (a-b)(a^2+ab+b^2)therefore the answer would be: (x-3)(x^2+3x+9)<span>hope this helps</span>
MakcuM [25]3 years ago
4 0
The answer is 23 and with 56
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Simplify the expression (4x − 3)(x + 5)
leonid [27]

Answer:

4x²+17x-15

Use the FOIL method. Multiply the first term in each group, then the outer ones, then the inner ones, and finally the last term in each group together. The first terms in this case are 4x and x, the outer terms are 4x and 5, the inner terms are -3 and x, and the last terms are -3 and 5.

Hope this helps!

3 0
3 years ago
Read 2 more answers
What is 1/5 as a decimal
schepotkina [342]
The answer is 0.2 because 1 divided by 5 is 0.2
8 0
3 years ago
How do you solve this
IgorLugansk [536]
First lets write out the equation:
-8x + 2x - 16 < -5x + 7x
Lets collect the x values

-6x - 16 < 2x
-8x - 16 < 0    (subtract both sides by 2x to get all the x's on one side)
-8x < 16         ( add both sides by 16 to get all the x's alone)
x < -2             ( divide both sides by -8 to get what just x is) 

So x < -2
6 0
3 years ago
Leahs age is twice her cosins age. If they add thier ages together, they get 36. How old are leah and her cosin
Art [367]
Leah is 24 and her cousin is 12. Since 24 is double of 12, thats your answer and it makes the most sense.
6 0
3 years ago
James and Cameron are watching a film. They pause it with one fifth left to watch. What is the ratio of how much they have watch
goldenfox [79]

Answer:

The ratio of how much they have watched to how much they have left to see is 4 : 1.

Step-by-step explanation:

Consider that the total duration of the film is, 1.

It is provided that James and Cameron paused when there is one-fifth left to watch.

That is, they have already watched, 1-\frac{1}{5}=\frac{4}{5} th of the film.

Compute the ratio of how much they have watched to how much they have left to see as follows:

\frac{\text{Duration Watched}}{\text{Duration Left}}=\frac{4/5}{1/5}=\frac{4}{1}=4:1

Thus, the ratio of how much they have watched to how much they have left to see is 4 : 1.

5 0
2 years ago
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