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cupoosta [38]
3 years ago
9

Fill in the blank with the correct response. If 3/4 = x/18 , then x is equal to

Mathematics
2 answers:
madam [21]3 years ago
7 0

Answer: x = 13.5

3/4 = x/18

⇔ x = 3/4 .18 = 27/2 = 13.5

Step-by-step explanation:

masya89 [10]3 years ago
6 0

Answer:x = 27/2

Step-by-step explanation:

Step 1: Cross-multiply

3/4=x/18

(3)*(18)=x*(4)

54=4x

Step 2: Flip the equation.4x=54

Step 3: Divide both sides by 4x/4=54/4x

= 27/2

I hope it helps you!

Please make as brilliant!!

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Answer:

B) y² = 4x; There are two outputs for each input

Step-by-step explanation:

For an equation to be called a function, the input values for x must only result in a single output for y.

Based on this definition if a function, the functions y = x², y = -x and y = x are all functions because for any value of x imputed in them, we can only get one equivalent value of y.

The only exception is the function y²= 4x

For this function, for any value of x, there will be more than one output for y. Take x = 1 for example

y² = 4(1)

y² = 4

y = ±√4

y = ±2

This shows that y = 2 and -2

Also if x = 4

y² = 4(4)

y² = 16

y = ±√16

y = ±4

y = 4 and -4

No matter the value of x imputed, the output value y will always be two (a positive and a negative value)

Hence, option B is correct.

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
During the summer, the height of the water in the pool decreased by 5 inches each week due to evaporation. What is the change in
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Answer:

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Step-by-step explanation:

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We know x=8, since we need to find the change for 8 weeks.

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The change will be the absolute value of -40, which just makes it positive, so 40.

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Answer:

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Step-by-step explanation:

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Step 2: We next represent the value we seek with X.

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