3 years ago

Evaluate x/y for x=2/3 and y=6/7a:7/8b:8/21c:8/10d:12/21

1 answer:

8 0

dividing fractions turns into multiplication with the inverse of the second fraction. which leaves you with 2/3 * 7/6ths which is 14/18 which is divisible by 2 = 7/9

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expeople1 [14]

Answer:

$16/45x-11/12$

Step-by-step explanation:

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2 years ago

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What is 5 3/8- 2 7/8

ella [17]

Answer:

2 1/4

Step-by-step explanation:

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2 years ago

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John lost 1.44 kilograms after a week of exercise. One kilogram is equal to approximately 2.2 pounds. How many pounds did John l

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Answer:

Step-by-step explanation:

1.44x2.2=3.168 pounds

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2 years ago

Find a general solution of y" + 4y = 0.

klio [65]

Answer:

$y(x)=C_{1}cos2x+C_{2}sin(2x)$

Step-by-step explanation:

It is a linear homogeneous differential equation with constant coefficients:

y" + 4y = 0

Its characteristic equation:

r^2+4=0

r1=2i

r2=-2i

We use these roots in order to find the general solution:

$y(x)=C_{1}cos2x+C_{2}sin(2x)$

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3 years ago

Solve for x -3x+6=2x-24 -30 -6 6 30

Svetach [21]

-3x + 6 = 2x - 24.

Add 3x to both sides.

6 = 5x - 24.

Add 24 to both sides.

30 = 5x.

Divide it all by 5.

x = 6.

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2 years ago