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3 years ago

Melanie's car used 9 ballons to travel 306 miles. How far can she travel on 11 gallons?

1 answer:

7 0

Melanie can travel 374 miles on 11 gallons. This is because when you divide 306 by 9 you get 34 so u multiply 34 by 11 and you get 374.

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What is the domain of this exponential function? y=2x

trasher [3.6K]

Answer:

x∈R

Step-by-step explanation:

$y=2^{x}$

2>0

The domain is all real numbers.

x∈R

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3 years ago

Which segment of the triangle will give you the height of your peak? Write the equation for the proportion that will allow you t

Novosadov [1.4K]

The segment that will give the height of the peak is the segment that is located from the right angle to the peak.
To find the height, we can use the fact that we have two similar triangles.
We are going to define a variable.
We have:
x: height of the peak.
For similar triangles, we have the following relationship:
$\frac{x}{20} = \frac{6}{3}$
From here, we clear the height of the peak
Answer:
the equation for the proportion that will allow you to find the height of your peak is:
$\frac{x}{20} = \frac{6}{3}$

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3 years ago

The deli scale weighs meat and cheese in hundredths of a pound. Emily put 5/10 pound of pepperoni on the deli scale. What weight

andreyandreev [35.5K]

.50 is your answer

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3 years ago

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VikaD [51]

Answer:

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2 years ago

Your personal library contains books written by 165 authors. 60% of the authors are men. 40% of the authors write only nonfictio

Scorpion4ik [409]

Answer:

The probability that a book picked at random is either a work written by an author who writes only nonfiction or a work written by a man is 75.8%.

Step-by-step explanation:

The probability, in this case, has to be calculated using the sum rule because the events are independent.

P = P(men) + P(non-fiction) - P(men non-fiction); where P is the probability. It means the probability that the random book was written by a man plus the probability that the random book was non-fiction minus the probability that the random book was written by a man who writes non-fiction. The probability that the random book was written by a man who writes non-fiction has to be subtracted, if not you will be duplicating it.

Facts:

P(men) = 60% = 99/165

P(non-fiction) = 40% = 66/165

P(men non-fiction) = 40/165

P = P(men) + P(non-fiction) – P(men non-fiction)

P = 99/165 + 66/165 – 40/165

P = 125/165

P = 0.758 or 75.8%

3 0

3 years ago