3 years ago

If y = 7 what is the slope

1 answer:

7 0

Since y=7 without depending on the coordinate of x, y=7 everywhere.
This means that it is a horizontal line 7 units above the x-axis.
A horizontal line has a slope of zero.

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I don't know how to do this problem.....please help

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I hope this helps you

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3 years ago

Mel wants to buy a pair of shoes that costs $120. She has saved $45 and has a job that pays her $10 per hour. The number of hour

maksim [4K]

<h2>Answer: 8</h2>

Step-by-step explanation:

$10x+45 > 120\\10x+45-45 > 120-45\\10x > 75\\\frac{10x}{10} > \frac{75}{10} \\x > 7.5$

Therefore, Mel has to work at least 7.5 hours or 8 total hours.

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2 years ago

What is the equation in standard form of the line y = 1/9x + 5?

Artist 52 [7]

Answer:

Step-by-step explanation:

9(y = 1/9x + 5)

9y = x + 45

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3 years ago

In September, a greeting card company's total profit was 22% less than it was in august. The total profit for the two months was

Trava [24]

Profit for August: x
Profit for September: x - 22%x
Total Profit for August & September: $689,000

x + x - 22% x = 689,000

2x - .22x = 689,000
1.78x = 689,000
x = 689,000/1.78
x = 387,078.65

August Profits: $387,078.65
September Profits: 387,078.65 - (22%)(387,078.65) = 387,078.65 - 85,157.30 = 301,921.35

August Profits: $387,078.65

September Profits
$301,921.35

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3 years ago

5x^2-(3xy-7x^2)+(5xy-12x^2)<br> When x=-0.25, and y=4

prohojiy [21]

$5x^2-(3xy-7x^2)+(5xy-12x^2)=5x^2-3xy+7x^2+5xy-12x^2=2xy\\\\ 2\cdot(-0.25)\cdot4=-2$

5 0

3 years ago

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