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e-lub [12.9K]
3 years ago
11

A twin-engine plane flies 1050 mi in the same amount of time it takes a single engine plane to fly 800 mi. The rate of the is tw

in-engine plane is 50 mph faster than the rate of the single-engine plane. Find the rate of the single engine plane.
Mathematics
1 answer:
Ostrovityanka [42]3 years ago
4 0
The correct answer is B
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6-2x=y 14+3x=y plzzz helllllllllllllllp
pashok25 [27]

Answer:

(- \frac{8}{5}, \frac{46}{5} )

Step-by-step explanation:

Given the2 equations

6 - 2x = y → (1)

14 + 3x = y → (2)

Substitute y = 14 + 3x into (1)

6 - 2x = 14 + 3x ( subtract 3x from both sides )

6 - 5x = 14 ( subtract 6 from both sides )

- 5x = 8 ( divide both sides by - 5 )

x = - \frac{8}{5}

Substitute x = - \frac{8}{5} into either of the 2 equations for the corresponding value of y

Substituting into (1)

y = 6 - 2(- \frac{8}{5} ) = \frac{30}{5} + \frac{16}{5} = \frac{46}{5}

solution is ( - \frac{8}{5}, \frac{46}{5} )

8 0
3 years ago
Need a word problem for -1/2 x 12
serg [7]
One half times twelve
3 0
3 years ago
What the answer is and how?
sladkih [1.3K]

Answer:

PerimeterFigure= pi*DIameter/2= 1.5*pi ft.

Step-by-step explanation:

The perimeter is the length of the figure, since we are dealing with an semi-circle, we can use the perimeter equation for a full circle and divide it by half.

Perimeter= 2pi*R= pi*Diameter.

Since Our figure is a semi circle, as we say earlier, we now will divide the above result by half.

PerimeterFigure= pi*DIameter/2= 1.5*pi ft.

3 0
3 years ago
What is the square of half of a number is 32?
Vaselesa [24]

Answer:

16

Step-by-step explanation:

7 0
3 years ago
Rachel ordered early learning software for her daughter from an online retailer. Each item costs
andre [41]

Answer:

60$

Step-by-step explanation:

Shipping is 7.50 and the 7 items are 52.5 total

4 0
3 years ago
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