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ankoles [38]
3 years ago
13

Just the answer please

Mathematics
2 answers:
UkoKoshka [18]3 years ago
8 0

Answer:

201.06 cubic feet of confetti

Step-by-step explanation:

choli [55]3 years ago
6 0

Answer:

V = 50.2654825 ft³

Step-by-step explanation:

V=πr²h /3

Diameter is 4 ft thus radius is 2 ft.

radius r = 2 ft

height h = 12 ft

slant height s = 12.1655251 ft

volume V = 50.2654825 ft³

lateral surface area L = 76.4382483 ft²

base surface area B = 12.5663706 ft²

total surface area A = 89.0046189 ft²

In Terms of Pi π

volume V = 16 π ft³

lateral surface area L = 24.3310501 π ft²

base surface area B = 4 π ft²

total surface area A = 28.3310501 π ft²

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What equation results from completing the square and then factoring?
Vinil7 [7]

Answer:

\large\boxed{D.\ (x-4)^2=55}

Step-by-step explanation:

(a-b)^2=a^2-2ab+b^2\qquad(*)\\\\\\x^2-8x=39\\\\x^2-2(x)(4)=39\qquad\text{add}\ 4^2=16\ \text{to both sides}\\\\\underbrace{x^2-2(x)(4)+4^2}_{(*)}=39+16\\\\(x-4)^2=55

6 0
2 years ago
PLEASE HELP ME!
algol13

Step-by-step explanation:

1.\sum_{i=1}^{5}3i

The simplest method is "brute force".  Calculate each term and add them up.

∑ = 3(1) + 3(2) + 3(3) + 3(4) + 3(5)

∑ = 3 + 6 + 9 + 12 + 15

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2.\sum_{k=1}^{4}(2k)^{2}

∑ = (2×1)² + (2×2)² + (2×3)² + (2×4)²

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∑ = -4 + -2 + 0 + 2

∑ = -4

4. 1 + 1/4 + 1/16 + 1/64 + 1/256

This is a geometric sequence where the first term is 1 and the common ratio is 1/4.  The nth term is:

a = 1 (1/4)ⁿ⁻¹

So the series is:

\sum_{j=1}^{7}(\frac{1}{4})^{j-1}

5. -5 + -1 + 3 + 7 + 11

This is an arithmetic sequence where the first term is -5 and the common difference is 4.  The nth term is:

a = -5 + 4(n−1)

a = -5 + 4n − 4

a = 4n − 9

So the series is:

\sum_{j=1}^{5}(4j-9)

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Afina-wow [57]
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Step-by-step explanation:

5 0
3 years ago
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Marysya12 [62]
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