3 years ago

Write a real-world situation for 7.50y + 9

1 answer:

8 0

Johnny needs to buy an amount of small bags of flour at the store for making cookies. One bag of flour is $7.50. Y represents the amount of bags he buys.

At the checkout, the cashier asks if he wants to donate 9 dollars to charity, and he says yes.

How much money did Johnny spend?

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Find the equation of the line passing through the points (-1,7) and

Anuta_ua [19.1K]

A)
slop intercept form is y=mx+b

To find m, it is (y2-y1)/(x2-x1) or (-8-7)/(2-(-1)) which then = -5

To find b, the y-intercept choose one of the points and solve for b using:
y=x(slope)+b
7= -1( -5)+b
7= 5+b
2=b (subtract 5 on both sides)

I hope this helped!

8 0

3 years ago

I will mark brainliest!!!! !! <br><br><br> (picture included with ONE question ^^^^^)

Wittaler [7]

Answer:

2 and 4

Step-by-step explanation:

the number of years after 2000 cannot be negative, nut it can be 0 since you can say that it is the year 2000

so an inequality would be t is greater than or equal to 0, and you can write this as t $\geq$ 0