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algol [13]
3 years ago
15

How to factor 9X^3-27

Mathematics
1 answer:
azamat3 years ago
4 0
You will find teh GCF of that this will give you 9(x3-3) now you can fator it teh factors of these can be (x2+1) and (x-3)
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Solve. 3 A train traveled 936 miles at a constant speed in 12 hours. a. How can you find the number of miles the train traveled
Igoryamba

Answer:

8

Step-by-step explanation:

miles/time

936÷12=

8

it's 8

8 0
2 years ago
Find the value of x. Round to the nearest tenth (one decimal place). WRITE ONLY THE NUMERICAL VALUE.
mixer [17]

<em>c² = a² + b²</em>

<em>x </em><em>=</em><em> </em><em>12.8² - 5.3</em><em>²</em>

<em>x </em><em>= 163.84 - 28.09 </em>

<em>x </em><em>= √135.75 </em>

<em>x </em><em>=</em><em> 11.65</em><em> </em><em>≈</em><em> </em><em>11.7</em>

5 0
3 years ago
What is the equation of the line that is parallel to the graph of y = 2x - 5 and passes through the point (8, 10)?
Kruka [31]

We know that the equation of a line is given by

y-y_1=m(x-x_1)

To find it we need the slope m and a point that the line passes thorugh. In this case we have the point (8,10) but we don't know the slope. What we know is that the line we are looking for is parallel to the line

y=2x-5

We also know that for two lines to be parallel they have the same slope. Then, if we fin the slope of the line y=2x-5, we have the slope of the line we are looking for. To find the slope of the line y=2x-5 we note that it is written in the slope-intercept form

y=mx+b

From this we know that the slope is multiplying the x variable when it is written in that form. Hence m=2.

Then the line we are looking for has an slope of 2 and passes through the point (8,10). Pluggin the values in the equation of a line we have.

y-10=2(x-8)

Writting it in the slope intercept form we have

\begin{gathered} y-10=2(x-8) \\ y-10=2x-16 \\ y=2x-16+10 \\ y=2x-6 \end{gathered}

Then the line parallel to y=2x-5 and passes through the point (8,10) is

y=2x-6

5 0
1 year ago
Mario has $14.35 left it as wallet.
konstantin123 [22]

Answer:

Approximately $255

Step-by-step explanation:

If we need to find how much money Mario had before he spent money, we would have to add the prices that he spent to 14.35.

14.35 + 148.43 + 92.05 = 254.83 ≈ 255

Mario should of started out with $254.83 in his wallet.

4 0
3 years ago
What type of triangle is this?
Lilit [14]

Answer:

equilateral

Step-by-step explanation:

because all sides are equal

3 0
3 years ago
Read 2 more answers
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