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aliya0001 [1]
3 years ago
15

Use the distributive property to multiply. Simplify your Answer.

%7D%20%2B2y-6%29" id="TexFormula1" title="(3y + 5)(3y^{2} +2y-6)" alt="(3y + 5)(3y^{2} +2y-6)" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
trapecia [35]3 years ago
3 0
9y^3+6y^2-18y+15y^2+10y-30
9y^3+21y^2-8y-30
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What is the slope of the line passing through the points (−3, 4) and (4, −1)?
raketka [301]
Slope:y2-y1/x2-x1
-1-4/4-(-3)
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-5/7
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3 years ago
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Q: Solve by the Extraction of Roots method: -<br><br> -5x²=-50
My name is Ann [436]

Answer:

x =  \sqrt{10}

Step-by-step explanation:

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2 years ago
PLEASE HELP IM STUCK
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Step-by-step explanation:

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What is the value of the expression f(-3) + 2f(-1) - f (4)<br><br> PLEASE HELP NO LINKS
Bas_tet [7]

Answer:

22

Step-by-step explanation:

Find f(-3) :

f(x) = x² + 2x for x ≤ -3

That means for those values of x, less than or equal to -3, this is the function.

So, f(-3) = (-3)² + 2(-3) = 9 - 6 = 3

Now, f(-1) :

From the given data, we see it is: f(x) = 2 (\frac{1}{3} )^{2x}

We take this because -1 lies between -3 and 4.

Now, f(-1) = 2 (\frac{1}{3} )^{2(-1)}

 => f = (-1) = 2(3)^{2} = 2 (9) = 18

For f(4) :

Clearly, the function is: f (x) = \frac{2x - 5}{x-7}

f (4) = \frac{2(4)-5}{4-7} = \frac{3}{-3} = -1

Therefore, <u>f(-3) + f(-1) - f(4) = 3 + 18 - (-1) = 3 + 18 + 1 = 22.</u>

5 0
3 years ago
Haos dog ate 40 cns of dog food in 31 day. how many cans should hao buy to feed his dog in 6 days
Crank
The answer is 8. 40 / 31 = 1.29032258. Multiply that by 6 and you have 7.74193548. Round up because you can't buy 7.7 cans of dog food.
7 0
3 years ago
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