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stealth61 [152]
3 years ago
15

A river is 212 mile long. What is the length of the river on a map, if the scale is 1 inch : 50 miles?

Mathematics
1 answer:
RoseWind [281]3 years ago
6 0

Answer:

4.24 inches

Step-by-step explanation:

1 inch / 50 miles = x / 212 miles      Cross multiply

1 inch * 212 miles = 50 miles * x      Divide by 50 miles

1 inch * 212 miles / 50 miles = x

x = 4.24 inches.

How much is 0.24 of an inch?

0.24 * 50 = 12

So 0.24 inches represents 12 miles.

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The lines are 

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ii) y=2x-3

The solution of the system of equations is found by equalizing the 2 equations:

-x+6=2x-3

-2x-x=-6-3

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x=-9/(-3)=3

substitute x=3 in either i) or ii):

i)  y=-3+6=3
ii) y=2(3)-3=6-3=3

(the result is the same, so checking one is enough)

This means that the point (3, 3) is a point which is in both lines, so a solution to the system.

In graphs, this means that the lines intersect at (3, 3) ONLY


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Answer:

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Step-by-step explanation:

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2 years ago
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Mars2501 [29]

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Step-by-step explanation:

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What is the volume of this rectangular
Basile [38]
<h3>Given:</h3>
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  • h= 3 m
<h3>Note that:</h3>
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<h3>To find:</h3>

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<h3>Solution:</h3>

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First, multiply the length (5), breadth (4) and height (3).

5×4×3

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\frac{60}{3}

\large\boxed{V= 20 \: {m}^{3}}

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A=bh
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