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ehidna [41]
3 years ago
5

An inequality in one-variable is shown below.

Mathematics
1 answer:
34kurt3 years ago
4 0

Answer:

You wrote:

2*x + 4 = 14

This is not an inequality, so i guess that you wanted to write something like:

2*x + 4 ≥ 14

Now, this means that the left equation is always equal to or larger than 14.

Now, which type of problem this may represent?

Well, 2*x + 4 should represent something that is larger than 14, only that.

Then we can write something like:

"You have 4 dinosaur toys, and in the toy store near your house, they sell packs of 2 dinosaur toys. If you want to have at least 14 dinosaur toys, how many packs can you buy?"

Now x represents the number of packs that you buy.

2*x is the number of dinosaurs in these packs

2*x + 4 is the total number of dinosaurs that you have, when you also count the ones that you previously had.

2*x + 4 ≥ 14

Is the inequality that represents the problem.

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9 x 1.5 = 13.5

5 x 1.5 = 7.5

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3 years ago
A gas station sells 1600 gallons of gasoline per hour if it charges $ 2.70 per gallon but only 900 gallons per hour if it charge
kakasveta [241]

Answer:

Look just at finding the linear model. Two points. Use price per gallon for x and gallons per hour sold for y. Your two points (x,y) are (2.15,1600) and (2.55,800).

Slope m=%281600-800%29%2F%280.15-0.55%29

m=800%2F0.40

m=2000

Using point-slope form for a line, and the lower-y point,

y-800=2000%28x-2.55%29

highlight%28y=2000%28x-2.55%29%2B800%29

5 0
2 years ago
George had a score of 25 points in a game. During the rest of the game, he lost 59 points. What score did George have at the end
tensa zangetsu [6.8K]

Answer:

-34

Step-by-step explanation:

25-59=-34

He ended with -34

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3 years ago
Which of the following is an equation of a line parallel to the equation y=4x+1?
inessss [21]
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7 0
3 years ago
Read 2 more answers
The cost of renting a landscaping tractor is a $100 base fee plus the hourly rate.
agasfer [191]

Answer:

a. f(h) = 100 + mh and g(h) = 100 + 2mh

b. The slope of g(h) is double of slope of f(h).

c. f(x) = 100 + mx.

Step-by-step explanation:

The cost of renting a landscaping tractor is a $100 base fee plus the hourly rate.

a. If the hourly rate is $m per hour, then the function f(h) represents the cost of renting the tractor for h hours, then  

f(h) = 100 + mh .......... (1)

If the hourly rate is doubled i.e. 2m, then the function g(h) represents the cost of renting the tractor for h hours, then

g(h) = 100 + 2mh ........... (2)

b. If we graph the function f(h) then the slope of the equation will be m and the y-intercept will be 100.

If we graph the function g(h) then the slope of the equation will be 2m and the y-intercept will be 100.

Therefore, in the case of g(h), the slope will be double the slope of f(h).

c. If the tractor is rented for x hours, then the function f(h) will be  

f(x) = 100 + mx. (Answer)

7 0
3 years ago
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