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MatroZZZ [7]
3 years ago
15

I really need help big time thank you

Mathematics
1 answer:
Hunter-Best [27]3 years ago
5 0
1) 2x² -5x+12
2) x² +7x+10
3) 3x² +5x-2
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4. A boat shop rents its boats for $20 per hour and charges a flat fee of
ruslelena [56]

Answer:

4 hours

Step-by-step explanation:

Let x = # of hours

22x + 10 = 98

       -10     -10

____________

    22x = 88

           22

x = 4

8 0
2 years ago
Which could be the first step in solving this system of equations by substitution?
Ainat [17]

Answer:

The first step is to replace the y in y-x=15 with 7x (we can do this because the first equation tells us that they're equal)

solve and get

(2.5,17.5)

or x= 2.5 y=17.5

Step-by-step explanation:

The first step is to recognize that y=7x which means that we can just replace the y in the second equation with 7x

7x-x=15

6x=15

x=2.5

Then we can solve for y

y=7(2.5)

y=17.5

3 0
3 years ago
George bought 7.5 cases of pancake mix for his diner. A case contains 12 1.3-pound boxes. How many pounds of pancake mix did Geo
Ilya [14]
In order to get the answer to this problem, first we have to find out how many pounds does one case of pancake mix have. We know that one box has 1.3 pounds of pancake mix. We also know that one case has 12 boxes. So first, we multiply 1.3 to 12.  The answer we will get is 15.6. One case of pancake mix has a total of 15.6 pounds of pancake mix. Now we also know there are 7.5 cases that George bought. So in order to get the total pounds George bought, we multiply 15.6 to 7.5. So all in all, George bought 117 pounds of Pancake Mix. 
8 0
3 years ago
Read 2 more answers
At Edwards Middle School there are 8 teachers for every 136 students. There are 850 students enrolled at the school. How many te
In-s [12.5K]

Answer:

50

Step-by-step explanation:

one teacher per 17 students

7 0
3 years ago
Read 2 more answers
1. How are pounds per gallon and kilograms per liter alike? How are they different?
Goryan [66]

Answer:

1)= 1 kilogram per liter (kg/l) + 8.35 pound per gallon (lb/gal)

2)= 4.4704 meters per seconds

3)= 12in= 1ft ratio is 12:1

4)= 1ft=12in ratio is 1:12

5)= 3ft= 1 yard ratio is 3:1

6)=1 yard = 3ft ratio 1:3

Step-by-step explanation:

12 in = 1 foot

1 yard = 3 feet

1 yard = 36 in

I hope this helps

7 0
3 years ago
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