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andriy [413]
3 years ago
15

a machine uses 2.5 liters of fuel each hour it runs,its fuel tank was filled with 10 L  but 1.5 L have already been used how  ma

ny more hours will the machine run
Mathematics
1 answer:
Hoochie [10]3 years ago
4 0
10-1.5=8.5
8.5/2.5= 3.4 hours
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mary bought 12 puonds of blueberries to make 5 pies. She divided the blueberries evenly. How many pounds of blueberries were in
AlexFokin [52]

Answer:

2.4 pounds of blueberries for each pie

Step-by-step explanation:

Mary has 12 pounds of blueberries to make 5 pies.

Divide 12 by 5 to see how much pounds of blueberries each pie will have.

There are 2.4 pounds of blueberries for each pie.

6 0
3 years ago
The sum of two numbers is 21.
mafiozo [28]

Answer:

Pretend that x and y represents the 2 numbers that we need to find.

According to the information, we know that:

x + y = 21

6x = y

Replace y in the first equation with 6x (because they are equal to each other according to the second equation):

x + y = 21

x + 6x = 21

7x = 21

x = 21/7 = 3

Now have two ways to find y, both will give us the same result:

3 + y = 21 ⇔ y = 21 - 3 = 18

6 · 3 = y ⇔ y = 18

So the numbers that we need to find are 3 and 18.

7 0
3 years ago
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What is the equation of the line that passes through the point (-6,6) and has an undefined slope ?
Likurg_2 [28]

Answer:

x = -6

Step-by-step explanation:

7 0
3 years ago
Each time Henry visits the art museum he pays $15 for parking and $25 for admission.
Flauer [41]

Answer:

A

Step-by-step explanation:

Since it says 'each time ' you would say 15x and 25x. Since that isnt an answer you add them together and get 40x. That eliminates B and C. Next you would do the other side of the equation. He only pays the membership one time but pays for parking every time he goes so it would be 110 and 10x

8 0
2 years ago
Please help me with the questions in the image
elena-s [515]
A) the image on the lower left is correct. Because the equation is set up as “F=“, F goes on the y-axis. The y-intercept is positive 32.

B) the slope is 9/5 because the equation is in the form of y=mc+b, where m is the slope. F increases 9/5 degrees for each increase of 1 C. The F-intercept is 32 and it represents the temperature 32 F corresponding to 0 C.



5 0
3 years ago
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