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2 years ago

5

A plane flies at x miles per hour in still air. Flying with a tailwind, its speed is 35 miles per hour. Against the wind, its ai

r speed is only 445 miles per hour. hat is the speed of the wind?

1 answer:

nordsb [41]2 years ago

6 0

Answer:

Step-by-step exklamatorisks:

Tank you

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If y varies directly as x^2 and y=12 when x=2, find y when x=5

Shkiper50 [21]

$y=ax^2\\\\y=12\ \ \ and\ \ \ x=2\ \ \ \Rightarrow\ \ \ 12=a\cdot 2^2\ \ \ \Rightarrow\ \ \ a= \frac{4}{12}= \frac{1}{3} \\\\y=\frac{1}{3} x^2\\\\x=5\ \ \ \Rightarrow\ \ \ y=\frac{1}{3} \cdot5^2=\frac{25}{3} =8\frac{1}{3}$

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3 years ago

Find the area. <br><br> A. 188 in.2<br> B. 278 in.2<br> C. 322 in.2<br> D. 250.5 in.2

agasfer [191]

A 188 inches .2 Because you have to run them all to the nearest five

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3 years ago

A deli sells meat and cheese by the pound. The expression 7.99m + 5.99c represents the total cost of m pounds of mest and c poun

LenaWriter [7]

Statement A is correct.

7.99m is the unit rate for how much you will pay for each pound of meat.

5.99c is the unit rate for how much you will pay for each pound of cheese.

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3 years ago

Read 2 more answers

John has a bag of different colored marbles. He has 6 red marbles, 3 blue marbles, 7 yellow marbles, and 5 green marbles. if Joh

zhannawk [14.2K]

Answer:

Its a 15% chance

Step-by-step explanation:

15% is the probability of the blue marble

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3 years ago

Find the values of x and y that make k ll j and m ll n

777dan777 [17]

Answer:

<u><em>x = 80</em></u>

<u><em>y = 130</em></u>

Step-by-step explanation:

The 2 angles are supplementary. so, x-30 + x+50 = 180.

We solve and get 2x = 180-20

<u><em>x = 80</em></u>

y = x+50, because of parallel rules.

<u><em>y = 130</em></u>

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2 years ago