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2 years ago

On a map if 1/2 inch equals 5 miles how long would 180 miles be on the map

Mathematics

1 answer:

anzhelika [568]2 years ago

5 0

18 inches would be the answer

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Find the value of x and y so that both proportions will be correct:

andrew11 [14]

The values of x and y are 0.2 and 0.4 respectively.

<em><u>Explanation</u></em>

The given proportions are.....

$x: 1\frac{2}{3}=y: 3\frac{1}{3}$ and $y:1.5=0.2:0.75$

From the second proportion, we will get....

$y:1.5=0.2:0.75\\ \\ \frac{y}{1.5}=\frac{0.2}{0.75} \\ \\ 0.75y=0.2*1.5\\ \\ 0.75y=0.3\\ \\ y=\frac{0.3}{0.75}=0.4$

Now, we will plug this $y=0.4$ into the first proportion. So we will get....

$x: 1\frac{2}{3}=y: 3\frac{1}{3}\\ \\ x: \frac{5}{3}=0.4:\frac{10}{3} \\ \\ \frac{x}{\frac{5}{3}}= \frac{0.4}{\frac{10}{3}}\\ \\ \frac{3x}{5}=\frac{1.2}{10}\\ \\ 30x=6\\ \\ x= \frac{6}{30}=0.2$

So, the values of x and y are 0.2 and 0.4 respectively.

6 0

2 years ago

f a storm window has an area of 400 square inches, what are the dimensions if the window is 12 inches wider than it is high (w x

anzhelika [568]

Well if the window is 40 x 10 the L is 52 and the w 22

5 0

2 years ago

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10 lbs ≈

sergejj [24]

Answer:

D. 4.5 kg

Step-by-step explanation:

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2 years ago

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Which expression is equivalent to log Subscript 3 Baseline StartFraction c Over 9 EndFraction?

statuscvo [17]

Answer:

the 4th one

Step-by-step explanation:

5 0

3 years ago

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If the measures of two angles of a triangle are 87 and 17 , what is the measure of the third angle

Serhud [2]

Answer:

76 degrees

Step-by-step explanation:

The total of the three angles in a triangle should equal 180 degrees. So to find the third angle, subtract the two given angles from 180

180 - 87 = 93

93 - 17 = 76

The third angle is 76 degrees because then all angles will add up to 180

8 0

3 years ago