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2 years ago

Justin wants to purchase a watch for a gift. The cost is $76.00 and he has a 20% coupon. (Round to the nearest cent.)

Mathematics

1 answer:

arlik [135]2 years ago

7 0

Answer:

60.8 round that

Step-by-step explanation:

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In the solution of the equation 5 + 3x = -2x + 9, 2x is added to the equation first. Which of the following should be done next?

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3x + 2x = 9 - 5
5x = 4
x = 0.8

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3 years ago

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2 years ago

Solve for x.<br><br> 3(2x+2)+x+5=-10

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2 years ago

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10 is 5% of what number

GarryVolchara [31]

We can use proportion to get the result
10 ----------- 5%
x ------------- 100%
Crossmultiply proportion

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3 years ago

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if the diameter of the front wheels on the locomotive is 4 ft what is the diameter of the front wheels on the model. Express the

Leto [7]

Question is Incomplete, Complete question is given below.

Consider a model of a train locomotive that has a similarity transformation map of x arrow right 48x from the model to the actual locomotive when answering the question.

If the diameter of the front wheels on the locomotive is 4 feet, what is the diameter of the front wheels on the model? Express the answer in inches.

Answer:

The diameter of front wheel on the model is 1 inch.

Step-by-step explanation:

Given:

Let diameter of the front wheel on the model be 'x'.

Actual diameter of front wheel = 4 feet

Now given that ratio model to actual = $\frac{x}{48x}= \frac{1}{48}$

Now we can say that ratio model to actual is equal to ratio of model diameter of front wheel to actual diameter of front wheel.

framing in equation form we get;

$\frac{x}{4}=\frac{1}{48}\\\\x=\frac{4}{48} = \frac{1}{12} \ ft.$

Now we know that;

$\frac{1}{12}\ ft = 1 \ in.$

Hence The diameter of front wheel on the model is 1 inch.

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2 years ago