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netineya [11]
3 years ago
9

Are these equations linear or non-linear?​

Mathematics
1 answer:
never [62]3 years ago
7 0

Answer:

Linear

Step-by-step explanation:

Find the degree of the equation to determine if linear.

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HELP ME PLWASE ITS A TEST <br>​
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Choose all distances that are equivalent to 1/2 mile.
damaskus [11]

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A, C, and E.

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I looked up what half a mile was in meters, yards, and feet, and it told me these were the right answers.

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Number 28 ignore the bubbled in answer
Ghella [55]

Answer:

y = -7x+34

Step-by-step explanation:

We have 2 points, so we can find the slope

m = (y2-y1)/(x2-x1)

    = (6--1)/(4-5)

    = (6+1)/(4-5)

     = 7/-1

    = -7

We can use point slope form to make an equation

y-y1 = m(x-x1)

y--1 = -7(x-5)

y+1 = -7(x-5)

Distribute

y+1 = -7x+35

Subtract 1 from each side

y+1-1 = -7x+35-1

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3 0
3 years ago
A used book store buys a hardback book for $1.50 and then sells it for $5. Over time, the store sells the same number of books i
dybincka [34]

A used book store buys a hardback book for $1.50 and then sells it for $5. Over time, the store sells the same number of books it buys. The store manager can use the equation P(x)=5x−1.5x to determine the store's profit, P(x), where x is the number of books that the store sells. Which statement about the book store is true based on the profit equation?

Cost Price of book, C.P.=$1.50

Selling Price of book, S.P.=$5

PROFIT=S.P. -C.P.

So, Profit=$5-$1.50=$3.50

So, Profit=$3.50 on each book

Or, we are given P(x)= 5x-1.50x

Or, P(x)=3.50x

For each book, we must divide the profit P(x) by x, that is, number of books

\frac{P(x)}{x}=\frac{3.5x}{x}

\frac{P(x)}{x}=\frac{3.5*1}{1}

\frac{P(x)}{x}=3.5

So, Profit for each book sold is $3.50

Answer:Option C

8 0
3 years ago
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