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3 years ago

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

Mathematics

1 answer:

ozzi3 years ago

7 0

Answer:

7.5 or 15/2

Step-by-step explanation:

x-3x+6=2x-24 -- Combine like terms

-2x+6=2x-24 -- Add 2x to each side

6 = 4x-24 -- add 24 to each side

30 = 4x -- divide by 4

15/2 or 7.5 = x

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Sometimes a change of variable can be used to convert a differential equation y′=f(t,y) into a separable equation. One common ch

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Answer:

$y=\frac{-7t^2+22t-7}{7t-22}$

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3 years ago

A roll of gift-wrapping paper can cover 232.2 sq. in. Jimmy wants to wrap a soccer ball that he is giving as a gift. What is the

evablogger [386]

Answer:

Radius, r = 3.8 inch

Step-by-step explanation:

A roll of gift-wrapping paper can cover 232.2 sq. in. Jimmy wants to wrap a soccer ball that he is giving as a gift.

We need to find the maximum radius of the ball that Jimmy can wrap. The volume of a spherical shaped object is given by :

$V=\dfrac{4}{3}\pi r^3$

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$r=(\dfrac{3V}{4\pi})^{1/3}\\\\r=(\dfrac{3\times 232.2}{4\times 3.14})^{1/3}\\\\r=3.8\ \text{inch}$

So, the maximum radius of the ball that Jimmy can wrap is 3.8 inches. Hence, this is the required solution.

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3 years ago

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