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Mashcka [7]
3 years ago
14

Need this by tomorrow please and thank you!​

Mathematics
1 answer:
Marrrta [24]3 years ago
5 0

Answer:

I think it's x=5

Step-by-step explanation:

3x+15=2x+20

-2x. -2x

x+15=20

-15. -15

x=5

sorry if is not the answer

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Miguel walks 3/4 mile around the high school track in 1/2 hour. How far can he walk in 2 hours? Explain.
Leno4ka [110]
2 hours is = 1/2 hour x 4
And because Miguel walked 3/4 mile in 1/2 an hour, you can multiply 3/4 by 4 to get the answer.
3/4 x 4 = 3
Miguel walked 3 miles in 2 hours.
8 0
3 years ago
What is 3=7(4 - 2u)-6u
alisha [4.7K]

Answer:

u = 5/4

Step-by-step explanation:

to evaluate for the value of u we would simply open the bracket and then evaluate for the value of u by collecting the like terms together.

solution

3=7(4 - 2u)-6u

3 = 28- 14u - 6u

collect the like terms

3 + 14u + 6u = 28

20u = 28 - 3

20u = 25

divide both sides by the coefficient of u which is 20

20u/20 = 25/20

u = 5/4

5 0
3 years ago
Read 2 more answers
The number of cows on a farm increased by 60. Because of better food, the amount of milk from each cow went up from 12.8 liters
attashe74 [19]

Answer:

Step-by-step explanation:

Number of cows increased=60

Old quality of milk consumed=12.8litres

New Increase in milk consumed=15litres

Therefore the number of cows in the farm if the quality of milk is 1340litres=y

Therefore, 1cow =15litres

y cows= 1340litres

Crossmultiply:

15litres×ycows=1340litres

Make y the subject of formula

y= 1340÷15

y=89.33cows

Therefore,the number of cows on the farm if farmer gets 1340litres of milk would be 89cows.

6 0
4 years ago
One of the legs of a right triangle measures 15 cm and the other leg measures 10 cm. Find the measure of the hypotenuse. If nece
Olenka [21]

Answer:

18.0 (use 18 if 18.0 is not an answer choice)

Step-by-step explanation:

15²+10²=225+100 = 325

√325 = 18.028 or 18.0 (use 18 if 18.0 is not an answer choice)

6 0
3 years ago
Read 2 more answers
2<br> 5 x+y=3<br><br><br> How do u solve please help lol ?
Advocard [28]

Answer:

that question kinda have alot of answers but try y=-25x+31

Step-by-step explanation:

6 0
3 years ago
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