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lana [24]
3 years ago
8

Haley's car gets at least 17 miles per gallon. If she plans a trip that is 250 miles, what is the minimum number of gallons she'

ll need?
Mathematics
2 answers:
myrzilka [38]3 years ago
5 0

Answer:

15 gallons

Step-by-step explanation:

icang [17]3 years ago
4 0
Divide 250 miles by 17 mpg:

250 miles
-------------- = 14.7 gallons (absolute mininum).  Go for 15 gallons.
  17 mpg
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Step-by-step explanation:

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Read 2 more answers
Find a polynomial that describes the area of the lawn which kevin has to mow in his front yard 6x+5,4x-9
Likurg_2 [28]

Answer:

Area=24x^2-34x-45

Step-by-step explanation:

Length and width of the yard are (6x+5) and (4x-9).

Area=length\times width\\\\Area=(6x+5)\times (4x-9)\\\\Area=24x^2+20x-54x-45\\\\Area=24x^2-34x-45

7 0
2 years ago
What is 9x-7y=-7 in slope intercept form?
Novay_Z [31]
Slope intercept form is y = mx + b

So if you start with 9x - 7y = -7, the first thing you need to do is move the 9x to the other side of the equation by subtracting it from both sides.
       9x - 7y =      -7
       -9x          -9x

Now you have -7y = -9x -7

For the equation to be in slope intercept form now you should divide every term by the number in front of your y.  In this case divide every term by -7
    -<u>7y</u> =  <u>-9x</u>  <u>-7</u>
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4 0
3 years ago
The equation
faust18 [17]

Answer:

best approximate is 78 F. to find x, count number of hours between 5 am and 2 pm (which is 9). Substitute 9 into the equation and solve. hope this helps!

Step-by-step explanation:

y = -  0.37 {x}^{2} + 6.15x + 52.3  \\ y =  - 0.37 ({9}^{2} ) + 6.15(9) + 52.3 \\ y =  - 0.37(81) + 6.15(9) + 52.3 \\ y =  - 29.97 + 55.35 + 52.3 \\ y = 77.68

7 0
2 years ago
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