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3 years ago

What is volume of the figure? A.209.4 B.628.3 C.41.9 D.335.1

Mathematics

2 answers:

Goshia [24]3 years ago

8 0

The volume of the figure is A.209.4

Natali5045456 [20]3 years ago

6 0

Answer: 209.44

Step-by-step explanation:

V=πr2h 3=π·52·8 3≈209.43951

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C= 2 7r; for r<br> Plzz help

Nutka1998 [239]

Answer:

$C/27=r$

Step-by-step explanation:

$C= 2 7r$

$C \div 27= 2 7r \div 27$

$C/27=r$

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3 years ago

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(WILL GIVE BRAINLIEST) Which of the following exponential functions goes through the points (1, 6) and (2, 12)?

olganol [36]

Answer:

$\boxed{a. \: f(x) = 3(2)x} \: is \: correct$

Step-by-step explanation:

$if \: the \: points \: are \: (1, 6) \: and \: (2, 12) \to \\ then \to \\ m = \frac{12 - 6}{2 - 1} = \frac{6}{1} \\ \boxed{m = 6} \\ y - 6 = m(x - 1) \\ y = 6x - 6 + 6 \\ y = 6x = (3)(2)x \\ but \: y = f(x) \to \: hence \to \\ \boxed{ f(x) = 3(2)x}$

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3 years ago

Need math help please!!

Eva8 [605]

Answer:

Step-by-step explanation:

The fact that DE is perpendicular to AC means triangles AED and CED are congruent and side AD is equal in length to side CD.

5x -20 = 2x +4

3x = 24 . . . . . . . add 20-2x

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3 years ago

8x + 6 - 2x = 34 x= ?

e-lub [12.9K]

8x + 6 - 2x = 34x

Simplify 8x +6 - 2x to 6x + 6:
6x + 6 = 34x

Subtract 6x from both sides:
6 = 34x- 6x

Simplify 34x - 6x to 28x:
6 = 28x

Divide both sides by 28:
$\frac{6}{28}$ = x

Simplify $\frac{6}{28}$ to $\frac{3}{14}$ :
$\frac{3}{14}$ = x

Now switch sides and the answer is:

x = $\frac{3}{14}$

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3 years ago

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Candace used 5/8 of her savings to buy a $531.25 laptop. How much did she have in savings before purchasing the laptop?

Serjik [45]

$x-savings\\\\\frac{5}{8}x=531,25\ \ \ \ |\cdot\frac{8}{5}\\x=850\\\\Candance\ had\ \$ 850\ savings.$

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2 years ago