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erik [133]
2 years ago
10

PLS HELP :(

Mathematics
2 answers:
PtichkaEL [24]2 years ago
6 0
The answer is going to be 47.1
faust18 [17]2 years ago
4 0

Answer: 47.1

Step-by-step explanation:

1/3πr^2h

=1/3×π×32×5

=15π

= 47.123889803847 feet3

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Solve x^2 +14x = -24 by completing the square. Which is the solution set of the equation?
Korolek [52]
Start with <span>x^2 +14x = -24,

Find HALF the value of 14:  7
Square this:  49
Add 49, and then subtract 49:        x^2 + 14x + 49 - 49 = -24  We have a
                                                                                             perfect square
Rewrite the quadratic as the sq. of a binomial:                    trinomial on
                                                                                              the left
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Then x = -2 and x = -12</span>
3 0
2 years ago
Please help right away.
Travka [436]

\sum\limits_{k=1}^{\infty}420\left(\dfrac{1}{6}\right)^{k-1}

The infinite geometric series is converges if |r| < 1.

We have r=1/6 < 1, therefore our infinite geometric series is converges.

The sum S of an infinite geometric series with |r| < 1 is given by the formula :

S=\dfrac{a_1}{1-r}

We have:

a_1=420\left(\dfrac{1}{6}\right)^{1-1}=420\left(\dfrac{1}{6}\right)^0=420\\\\r=\dfrac{1}{6}

substitute:

S=\dfrac{420}{1-\frac{1}{6}}=\dfrac{420}{\frac{5}{6}}=420\cdot\dfrac{6}{5}=84\cdot6=504

Answer: d. Converges, 504.

8 0
3 years ago
The area of a rectangle can be represented by the expression x2 + 4x – 12. The width can be represented by the expression x â€
Lelu [443]

Answer:

x – 2(x2 + 4x – 12)

Step-by-step explanation:

x – 2(x2 + 4x – 12)x – 2(x2 + 4x – 12)

7 0
3 years ago
Read 2 more answers
Factor Completely: 100x2 - 1
fredd [130]

Answer:

d

Step-by-step explanation:

100x² - 1 ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b), thus

100x² - 1

= (10x)² - 1²

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3 0
3 years ago
PLEASE HELP IM SO STUCK 20 POINTS
prohojiy [21]

Answer: X = 2

Step-by-step explanation: The correct answer to this question is that x=2. Regardless of what point you go to on the line, it always has a value of 2 because it is going vertically (up and down) at 2.

5 0
3 years ago
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