3 years ago

Select all ratios equivalent to 7:2 ?

Mathematics

1 answer:

ycow [4]3 years ago

6 0

Answer: 14:4 , 21:6 , 28:8 , 35:10

Step-by-step explanation:

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Solve using equivalent ratios.

guapka [62]

The width of the new card is 9 inches.

<u>SOLUTION: </u>

Given, we have to solve using equivalent ratios. Wayne has a recipe on a 3-inch-by-5-inch index card that he wants to enlarge to 15 inches long.

We have to find width of the enlargement

Now, dimensions of card is $\bold{\frac{(3 \text { inch })}{(5 \text { inch })}}$

Let the new width of card be n inches .

So, New dimensions of card is $\bold{\frac{(n \text { inch })}{(15 \text { inch })}}$

Then, equivalent ratio is $\bold{\frac{3}{5}=\frac{n}{15}}$

$\bold{\frac{3}{5}=\frac{n}{15} \rightarrow n=\frac{3}{5} \times 15 \rightarrow n=3 \times 3 \rightarrow n=9}$

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One stuffed animal would cost $2.40

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3 years ago

Find the quotient of 7.55/0.23. round to the nearest tenth

Minchanka [31]

The answer is 32.8 the unrounded number is 32.8260869... but you need to round to the tenth place so it is 32.8 it doesn't round up because you round down if it is less than 5.

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3 years ago

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Find an equation of a polynomial function with real coefficients having zeros 4 and 2+3i.

maks197457 [2]

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3 years ago

Line CD bisects AB at point C. Find AC if AB = 56 feet

RideAnS [48]

Answer:

AC = 28 feet

Step-by-step explanation:

Point C is the midpoint of AB, so AC is half the length of AB:

AB/2 = (56 ft)/2 = 28 ft = AC

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