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Furkat [3]
3 years ago
9

I need help please ​

Mathematics
1 answer:
Triss [41]3 years ago
8 0
She paid $3.28 per gallon.

24.60 divided by 7.5 equals 3.28.
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Please show step by step for this question.
ruslelena [56]

Answer:

y= -1.46 (to 3 s.f.)

Step-by-step explanation:

Please see the attached picture for full solution.

7 0
3 years ago
Consider the NASCAR race, the Indianapolis 500. Its name refers to the total race distance of 500 miles. There are 44 cars are r
lukranit [14]

Answer: $5289.35

Step-by-step explanation:

Since the cars have an average mileage of 6.78 miles per gallon and the race is 500 miles, the number of gallons each car will take will be:

= 500/6.78

= 73.75 gallons

Since they're 44 cars, the total gallons of fuel will be:

= 44 × 73.75

= 3245 gallons

Since the fuel cost is $1.63 per gallon, the total fuel cost, will be:

= $1.63 × 3245

= $5289.35

8 0
3 years ago
Find the coordinates of the point on the curve y = 2x² - x - 1 at which the gradient is 7
madreJ [45]

Answer:

See below

Step-by-step explanation:

The derivative of the function is the slope

2x^2 - x -1       take derivative  ( f ' )

4x -1                 equate to 7

7 = 4x -1

x = 2        sub into the original equation to find y = 5

5 0
2 years ago
Jan is the regional manager of Graphic DesignWorks. She uses a company
kogti [31]

Answer:

300

Step-by-step explanation:

If each branch pays the bill equally, and the bill accounts for a year's worth of pay, then you should multiply 125*12~giving you 1500

Then you divide 1500/5, since the 5 company's pay equally... this is equal to 300 dollars.

8 0
3 years ago
Read 2 more answers
Let g be the piecewise defined function shown.
gogolik [260]
For this case we have the following function:
 g(x) =  \left \{ {{x+4} \atop {2-x}} \right.
 For each of the domains we will choose a value.
 We have then:

 For −5 ≤ x ≤ −1
 Let's choose the value of x = -3 
 Evaluating the function we have:
 g(x) = x+4

 g(-3) = -3+4

 g(-3) = 1
 Answer:
 
g(-3) = 1
 
 For −1 < x ≤ 5:
 
Let's choose the value of x = 0
 Evaluating the function we have:
 g(x) = 2-x&#10;&#10; g(0) = 2-0&#10;&#10; g(0) = 2
 Answer:
 
g(0) = 2
5 0
4 years ago
Read 2 more answers
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