3 years ago

What is the value of x? 4x=5x–12

Mathematics

2 answers:

Vesnalui [34]3 years ago

6 0

The answer is 12 because if 4x=5x-12
then we minus 5x from both sides its -x=-12 so x is 12 hope this helps

Lesechka [4]3 years ago

3 0

Your answer is: x=12.

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Jack and Jill start driving from the same location. Jack drives 30 miles south while Jill drives west. If Jack and Jill are 78 m

arsen [322]

Answer:

72 mles

Step-by-step explanation:

For better understanding, I'll make use of an attachment.

From the attachment,

O represents the start point

$OB = 30$ --- Jack

$AB = 78$ -- Distance between them

Required

Find OA; Jack's distance

To do this, we make use of Pythagoras theorem

$AB^2 = OA^2 + OB^2$

This gives:

$78^2 = OA^2 + 30^2$

$6084 = OA^2 + 900$

Subtract 900 from both sides

$OA^2= 6084 - 900$

$OA^2= 5184$

Take square roots

$OA = \sqrt{5184}$

$OA = 72$

<em>Hence, Jill drove 72 miles</em>

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3 years ago

Explain how the energy of a toy car is transformed as it slides down a ramp. Give evidence that the energy of the car remains th

yaroslaw [1]

<span>At the top of a ramp, all of the energy of the car is potential: that is, it has yet to be moved but has the ability to move. As the car is sliding down the ramp, the potential energy is being transformed into kinetic energy, which reaches a maximum at halfway down the ramp. After this point, the kinetic energy begins to lessen and the potential energy begins to increase, until the car comes to a full stop, at which point kinetic energy is at zero and the potential energy is again at a maximum.</span>

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3 years ago

Read 2 more answers

What is the verbal for x/2

tatiyna

X ( a number) / (divided by) 2 (two)

A number divided by 2.
or
The quotient of a number, x, and 2.

5 0

2 years ago

What is the quotient?

VashaNatasha [74]

Answer:

-0.4