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3 years ago

Solve the equation for the unknown quantity. 6y + 7 = 5y - 7 y= (Simplify your answer.)

Mathematics

1 answer:

Sedaia [141]3 years ago

5 0

Answer:

y = -14 in simplest form hope this helped

Step-by-step explanation:

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A markup of 75% on cost is equivalent to a 75% markup on selling price.

Archy [21]

Answer:

Im pretty sure the answer is true

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4 years ago

What is the slope of the line whose equation is -2/3y - = 0?

Lelechka [254]

Answer:

There is no slope, beacuse there is not a shown X

Step-by-step explanation:

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3 years ago

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Given the following winning percentages of the teams in a league (for a single year) compute the within-season standard deviatio

Masja [62]

Answer:

(b) 0.251

Step-by-step explanation:

1. Standard deviation equation:

$SD=\sqrt{\frac{\sum\limits^N_i {(x_{i}-X)^{2} } }{N} }$

Where X is the mean of the data, and N the amount of data. Then, N=5

2. Estimate the Mean:

$X=\frac{0.750+0.750+0.200+0.600+0.200}{5}=\frac{2.5}{5}=0.5\\$

3. Caclulate Standard deviation:

$SD=\sqrt{\frac{{(0.750-0.500)^{2}+(0.750-0.500)^{2}+(0.200-0.500)^{2}+(0.600-0.500)^{2}+(0.200-0.500)^{2} } }{5} }$

$SD=\sqrt{\frac{0.315}{5} }=\sqrt{0.063}\\SD=0.251$

7 0

3 years ago

Need help on this problem

trasher [3.6K]

The answer to the question

3 0

3 years ago

A system of equations is graphed on a coordinate plane.

mars1129 [50]

The solution can be found where two lines intersect. The lines in the image do not intersect at an exact point, so we will need to estimate.
The x value is either 1 or -1 from your choices. You can see it is closer to -1 on the horizontal (x axis).
The y value is either 0 or -1 from your choices. You can see it is closer to 0 on the vertical (y axis).
The answer to your set of lines is approximately (-1,0).

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4 years ago

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