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anyanavicka [17]
3 years ago
8

Which ratio correctly compares 2 feet to 48 inches, when the lengths are written using the same units?

Mathematics
1 answer:
guajiro [1.7K]3 years ago
3 0

Answer: OPTION D

Step-by-step explanation:

To solve this problem you must apply the proccedure shown below:

- Convert from 48 inches to foot. You know that 12 inches=1 foot. Then you have:

 (48inches)(\frac{1foot}{12inches})=4feet

- Therefore, keeping on mind that 48 inches is 4 feet, and you must find the ratio that  correctly compares 2 feet to 48 inches, you can write:

ratio=\frac{2feet}{4feet}

- Reduce the fraction, then:

ratio=\frac{1}{2}

- You can rewrite it as following:

ratio=1:2

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inn [45]

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points A(-6, 6) and B(12, 3). Substitute:

m=\dfrac{3-6}{12-(-6)}=\dfrac{-3}{18}=-\dfrac{3:3}{18:3}=-\dfrac{1}{6}

Therefore we have y=-\dfrac{1}{6}x+b.

Put the coordinates of the point B to the equation:

3=-\dfrac{1}{6}(12)+b

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5=b\to b=5

Answer:

m=-\dfrac{1}{6}\\\\b=5

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3 years ago
First the store raised the price of a pot by 20%. Then they announced a 20% discount on the pot. Is the customer going to pay mo
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less

Step-by-step explanation:

An increase of 20% makes the price 120% of the original price.

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Now we multiply the numbers in the last expression and compare the result with x.

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2 years ago
In the triangle ABC , Angle A = 46° and Angle B = 83°. How large is the exterior angle at C?
lisabon 2012 [21]

Answer:

180 - 46 - 83 = 51 is the measure of angle C

the exterior angle at angle C, and angle C, are supplementary. since angle C is 51 because of the interior angle triangle sum theorem, then the exterior angle is: 180 -51 = 129 degrees.

Step-by-step explanation:

I hope this helps :)

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3 years ago
Alexis has $22 75 to spend at the movies she buys a ticket for $8.500 a popcorn for $725 and a candy bar for $5 how much money d
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Step-by-step explanation:

<u>Alexis spends:</u>

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<u>Money left:</u>

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3 years ago
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-Dominant- [34]

Answer:

B

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45-45-90

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