3 years ago

When maras math project was graded, her teacher gave her 40 points

Mathematics

1 answer:

Law Incorporation [45]3 years ago

5 0

Answer:

The answer is D

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18 of the last 30 cars that passed by you were black. what is the probability the next car will be black. (0.18, 0.6, or 0.30)

Black_prince [1.1K]

18 divided by 30 is 0.6. So I would say that B, or 0.6, is the correct answer.

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3 years ago

When e = 4, f = 2, and g = 8If e varies jointly with f and g, what is the constant of variation?

tatyana61 [14]

Answer:

$e=\frac{1}{4} fg$

Step-by-step explanation:

Joint variation problem solve using the equation y = kxz.

e ∝ fg

e=kfg

now substitute the values

$4=k*2*8\\4=16k\\k=\frac{4}{16} \\k=\frac{1}{4}$

The relationship will be:

$e=kfg\\e=\frac{1}{4} fg$

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3 years ago

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(time limit!) what is the volume below? A) 112 B) 224 C) 784 D) 896

Radda [10]

To find a volume of a cylinder we use the following formula:
$v = \pi {r}^{2} h$
Plug in the values:

$v = \pi \times {8}^{2} \times 14$
Take the square:
$v = \pi \times 64 \times 14$
Multiply the numbers:
$v =896 \pi {m}^{2}$

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3 years ago

Are these angles complementary, supplementary, or neither?

SashulF [63]

I would say complementary because the angle degrees are the same

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3 years ago

The ratio of red to green tiles in a pattern is 2:3 what fraction of the tiles are green

zhannawk [14.2K]

The answer is 2/10

your just reducing the ratio

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