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IgorC [24]
3 years ago
10

A child 4 feet tall casts a shadow 6 feet

Mathematics
1 answer:
klio [65]3 years ago
3 0

The Answer should be C) 40.5 feet

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X = 7 + 3y
pogonyaev
<h3>Given Equation:</h3>

x = 7 + 3y

or, x - 3y - 7 = 0 ........ (i)

5x + 6y = 14

or, 5x + 6y - 14 = 0 .........(ii)

<h3>To Find:</h3>

The value of x and y.

<h3>Solution:</h3>

By dividing eq. ii by 2, we get

5/2x + 3y - 7 = 0 ........ (iii)

By adding eq. i and eq. iii, we get

15/2x = 0

or, <u>x = 0</u> ........(iv)

By putting eq.(iv) in eq. (i), we get

0 - 3y - 7 = 0

or, -3y = 7

or, <u>y = </u><u>-</u><u>7/</u><u>3</u>

<h2>Answer: ( 0, -7/3 )</h2>

The value of x and y is 0 and -7/3 respectively.

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3 years ago
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What is the sum of -6 and 9
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Positive 3, If You're starting at -6 and you add the first 6 it's at 0, now you have 3 more to add to make 9. And that gives you positive 3. or if you do 9 - 6 you can get your answer that way too.
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The distance y in miles traveled by a car is 20 times the number of gallons x of gasoline used by the car. Write and graph a fun
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Answer:

y=20x

Step-by-step explanation:

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A quadrilateral has four sides. Identify P and Q in the definition.
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Don't understand what you're are asking?

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