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3 years ago

Write an inequality equation equivalent to 3x – 4y = 8?

Mathematics

1 answer:

Natalka [10]3 years ago

4 0

Answer:

3x-4y=8

-4y=8-3x (subtracting 3x from each side of the equation)

-4y/-4=(8-3x)/-4 (dividing each side of the equation by -4)

y=-2+3/4x

y=3/4x-2

Step-by-step explanation:

Hope you like my answer

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An airplane flying with the wind takes 2 hours to travel a distance

Sever21 [200]

9514 1404 393

Answer:

airplane: 225 mph
wind: 45 mph

Step-by-step explanation:

The average speed with the wind is (540 mi)/(2 h) = 270 mi/h.

The average speed against the wind is (540 mi)/(3 h) = 180 mi/h.

Let a and w represent the speeds of the airplane and wind, respectively.

a + w = 270 . . . . speed with the wind

a - w = 180 . . . . speed against the wind

2a = 450 . . . . . . sum of the two equations

a = 225 . . . . . . divide by 2

w = a -180 = 45

The speed of the airplane is 225 miles per hour; the speed of the wind is 45 miles per hour.

7 0

3 years ago

two species of birds are being compared. Species A can fly 18.9 miles in 42 minutes, while species b can fly 20.3 miles in 58 mi

AysviL [449]

Species A: 18.9 miles / 42 minutes = 0.45 miles per minute
Species B: 20.3 miles / 58 minutes = 0.35 miles per minute
Therefore, species A is faster and flies at a speed of 0.45 miles per minute
(27 mph)
0.45 x 60 = 27 mph

5 0

3 years ago

Read 2 more answers

Which value for the variable w makes the value of this expression 10?

Sidana [21]

Answer:

Step-by-step explanation:

50/5=10

therefore 5 is your answer

3 0

2 years ago

Read 2 more answers

A restaurant uses 33 pounds of pasta for a party of 14 people. If they are cooking pasta for a party of 5656 people, what should

Hoochie [10]

5656people(33lbs/14people)=13332 lbs

4 0

3 years ago

40•(420:x-37)=200 помогите решить уравнение

miv72 [106K]

40•(420:x-37)=200 означает $40(\frac{420}{x}-37)=200$

разделите обе стороны на 40

$\frac{420}{x}-37=5$

добавить 37 с обеих сторон

$\frac{420}{x}=42$

умножить обе стороны на х
420=42x

разделите обе стороны на 42
10=x
x=10

4 0

3 years ago