MATHEMATICS MIDDLE SCHOOL

Forty-two percent of the African-American pilots who served in WWII came to the awards ceremony. One thousand African-American pilots served in WWII. How many of them came to the awards ceremony?

Answers

Answer 1
Answer: 410, because any percentage of 100 is itself
Answer 2
Answer:

Answer:

410, because any percentage of 100 is itself

Step-by-step explanation:

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Mr. Becker race car uses 3/4 gallons of gas for every 4 miles that its drives. How many gallons of gas are needed if he plans to drive 40 miles to his next race?

Answers

Set up a proportion and solve. 40 * .75 / 4 = 7.5
You can leave it in decimal form or convert it to 7 1/2gallons

Let f be defined as shown. If the domain isrestricted to {3,5}, which statement is true?
Answers
The Inverse if F exists
The inverse of f does not exist

Answers

Answer:

Inverse of F does not exist

Step-by-step explanation:

2 different x values lead to 1 y value therefore it cannot be reversed

What transformations change the graph of f(x) to the graph of g(x)?f(x) = –7x²
g(x) = –35x² + 5

Answers

shift 5 in along the positive g(x) axis due to the + 5

Answer:

The graph of g(x) is the graph of f(x) stretched vertically by a factor of 5 and translated up 5 units.

What is 119 times 31%

Answers

Answer:

61.69?

Step-by-step explanation:

Are you asking what 31% of 119 is? If so, then the answer would be 61.69.

Because (119)0.31=61.69

(To make a percent, you take a decimal out of 1, and multiply. 0.31 would be 31, because we would multiply it by 100, becuase you can only get to 100%. Then you woukd do the opposite, reverse it by dividing by 100. Which then, you would get 0.31)

Hope that helped.

If a bag of chips cost $1 how much change do they give you back

Answers

Really just depends on how much you give them. For example, if you give them $4 you will get $3 in change.
it depends how much you give them so if you give them 10 dollars 9 dollars in change if you give them 5 dollars 4 dollars in change if you give them 2 dollars you get 1 dollar in change and if you give them a 1 dollar you get no change

The ratio of a triangle is 2:3:4 the shortest side is 15 inches what is the perimeter

Answers

The perimeter is the sum of the side lengths, or x+y+z. The perimeter is 67.5 inches.  
Other Questions
Caitlin is 62 1/4 inches tall. Her older brother Jaime is 9 1/2 inches taller than Caitlin.Jaime is 2 1/4 inches shorter than their father. How tall is their father?
3x+4y=2 4x-4y=12 by using elimination
Please answer this question and thank you for your help
At a supermarket potatoes cost 0.39 per pound. If a 10-pound bag costs 2.79,how much money will you save if you buy the 10-pound bag? Round to the nearest cent.