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Sati [7]
3 years ago
8

7x+9-13x+4 simplified

Mathematics
1 answer:
densk [106]3 years ago
6 0

Answer:

-6x+13

Step-by-step explanation:

7x+9-13x+4

7x-13x+9+4

-6x+9+4

-6x+13

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Pls answer<br><br> Y’all are awesome thx
Vilka [71]

Answer: 12a.) slope is 125, y-intercept is 50 (started at 50 ft)

12b.) f(3) = 425 feet

12c.) 3.6 hours

Step-by-step explanation:

12a.) The slope equation is y = mx+b, where m is the slope, and b is the y intercept.

12b.) to find f(3) you could either plug it into the equation given (125x+50) or pretend there is a vertical line at 3 on the x axis, and where it crosses the line given would be the answer.

12c.) He is climbing a 500 ft cliff, and according to the graph, it takes him 3.6 hours to do it. Another way to find this answer would be to find f(3.6), which is indeed 500 ft.

Hope this helps!

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3 years ago
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Step-by-step explanation:

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kolbaska11 [484]
415

8*50 + 15


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2 years ago
In Lisa's class 24 of the students are tall and 12 are short. In Paul's class 15 students are tall and 20 are short. Which class
Lelu [443]
Lisa's class I think bc it's 24:12 vs 15:20
8 0
3 years ago
35 juice cups and each juice cup holds 12 fluid ounces.<br> how many gallons is that?
weeeeeb [17]
You have to look it up, but there are are 128 fluid oz in one gallon.


Then find the amount of juice you have total (in fl oz) in the 35 cups

35 * 12 fl oz = 420 fl oz

Then divide by the number of fl oz in one gallon to find the number of gallons

420 fl oz / 128 fl oz = <span>3.28 gallons</span>


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3 years ago
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