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Mariana [72]
3 years ago
7

The point D(-4, 4) is reflected over the x-axis. What are the

Mathematics
1 answer:
madreJ [45]3 years ago
8 0
It’s would be B because the formula or reflection is y-axis is (-x,y) and x-axis (x,-y)
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A pilot can travel 450 miles with the wind in the same amount of time as 360 miles against the wind. Find the speed of the wind
Lunna [17]

Given:

A pilot can travel 450 miles with the wind in the same amount of time as 360 miles against the wind.

Pilot's speed in still air is 315 miles per hour.

To find:

The speed of the wind.

Solution:

Let the speed of wind be x miles per hour.

Speed with wind = 315+x miles per hour

Speed against wind = 315-x miles per hour

We know that,

Time=\dfrac{Distance}{Speed}

According to the question,

\dfrac{450}{315+x}=\dfrac{360}{315-x}

Divide both sides by 90.

\dfrac{5}{315+x}=\dfrac{4}{315-x}

By cross multiplication, we get

5(315-x)=4(315+x)

5(315)-5x=4(315)+4x

5(315)-4(315)=4x+5x

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Divide both sides by 9.

\dfrac{(1)315}{9}=x

35=x

Therefore, the speed of wind is 35 miles per hour.

4 0
3 years ago
Which number has the prime factorization 5 · 72 · 32?
lubasha [3.4K]

Answer:

see below

Step-by-step explanation:

5*72*32 is not a prime factorization to begin with because neither 72, nor 32 are primes. A prime factorization for this product would be:

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and the number with this factorization is 11520.

There is a small chance that what you meant to write was this: 5\cdot 7^2 \cdot 3^2 in which case the number for this prime factorization is 2205.

5 0
3 years ago
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A container holds 24 pints of lemonade. How much is this in gallons?
krok68 [10]

Answer:

24 pints = 3 US liquid gallons

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agasfer [191]

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One pound of raw chicken will serve approximately four people. or 12 ounces

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Step-by-step explanation:

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3 years ago
HELP NEEDED ASASP
Maurinko [17]

Answer:

Jamie has a  foot plank that he needs to cut into 1/9 pieces.

15 ÷ 1/9 = 135  

135 x 1/9 = 15

Step-by-step explanation:

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2 years ago
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