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BlackZzzverrR [31]
3 years ago
14

Can someone please help me with math.

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
7 0

Answer:

D

Step-by-step explanation:

If you multiply all sides by 2 you get the same dimensions.

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The graph of f(x) = x3 + x2 - 9x - 9 is shown.
AysviL [449]

Answer:

-1, 3, -3

Step-by-step explanation:

I don't see the graph, but you can solve by factoring:

x^3+x^2-9x-9=0\\x^2(x+1)-9(x+1)=0\\(x+1)(x^2-9)=0\\(x+1)(x+3)(x-3)=0

By the factor theorem, the solutions of f(x) are -1, 3, and -3.

6 0
3 years ago
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Please help me .. thank you ​
KiRa [710]

Step-by-step explanation:

Break down every term into prime factors. ...

Look for factors that appear in every single term to determine the GCF. ...

Factor the GCF out from every term in front of parentheses, and leave the remnants inside the parentheses. ...

Multiply out to simplify each term.

5 0
3 years ago
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A quantity with an initial value of 660 grows exponentially at a rate of 6.5% every 9 minutes. What is the value of the quantity
sineoko [7]

Answer:

≈685.42

Step-by-step explanation: I don't have one.

3 0
3 years ago
A cylindrical can has a volume of 16 cm 3. What dimensions yield the minimum surface​ area? 1. The radius of the can with the mi
kykrilka [37]

Answer:

radius = 1.37 cm

height = 2.71 cm

Step-by-step explanation:

We are given volume = 16 m³.

Formula for volume of a cylinder is;

V = πr²h

Thus,

πr²h = 16

h = 16/πr²

Now formula for the surface area is;

S = 2πr² + 2πrh

Putting 16/πr² for h gives;

S = 2πr² + 2πr(16/πr²)

S = 2πr² + 2π(16/πr)

S = 2π(r² + 16/πr)

To minimize, we will find the derivative of S and equate to zero

S' = 2π(2r - 16/πr²) = 0

4πr - 32/r² = 0

4πr = 32/r²

r³ = 32/4π

r = ∛(32/4π)

r = 1.37 cm

From h = 16/πr²;

h = 16/(π × 1.37²)

h = 2.71 cm

5 0
4 years ago
Consider the function f(x)=−2/3x+1. <br><br><br> What is f(3)? <br><br> f(3)=?
sesenic [268]

Answer:

Alright well Graph the line using this slope and Y-intercept, or two points

Slope: - 2/3

Y - intercept: 1 Hope this helps have a nice day :)

Step-by-step explanation:

And if you want i can explain the Answer with detail

7 0
3 years ago
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