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natima [27]
2 years ago
8

Trey had answered 15 E-mails. This is 20% of E-mails he must answered. How many E-mails does he need to answer?

Mathematics
1 answer:
Elis [28]2 years ago
3 0

Answer: 75


Step-by-step explanation: 100 / 20 =5

15x 5= 75


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Nikolay [14]

Answer:

17?

Step-by-step explanation:

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Consider m = y2 - y1/ x2 - x1 . Which x1 and x2-values would determine that the line is vertical? Justify your answer
Y_Kistochka [10]

Answer:

x_2=x_1

Step-by-step explanation:

We were given the slope formula;

m=\frac{y_2-y_1}{x_2-x_1}

This line is vertical if the denominator is zero.

That is when x_2-x-1=0

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x_2=x_1

Justification;

When x_2=x_1, then, the line passes through;

(x_1,y_1)  and (x_1,y_2)

The slope now become

m=\frac{y_2-y_1}{x_1-x_1}=\frac{y_2-y_1}{0}

The equation of the line is

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0(y-y_1)=(y_2-y_1)(x-x_1)

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0=(x-x_1)

x=x_1... This is the equation of a vertical line.

3 0
2 years ago
If x=7and =-2, determine the value of 6x-4y
SVEN [57.7K]

Answer:

the answer is 50

Step-by-step explanation:

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8 0
2 years ago
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Illusion [34]

Answer:

its C


Step-by-step explanation:

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3 0
2 years ago
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