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Nitella [24]
3 years ago
12

Lillian wants to ride her bicycle 23.4 miles this week. She has already ridden 12 miles. If she rides for 3 more days, write and

solve an equation which can be use x, the average number of miles she would have to ride each day to meet her go
Mathematics
2 answers:
ELEN [110]3 years ago
8 0

Answer:

Hope it helps!

Step-by-step explanation:

Equation: 12+3x=23.4

Answer: x=3.8

Semenov [28]3 years ago
6 0

9514 1404 393

Answer:

  3.8 miles

Step-by-step explanation:

Lillian wants her mileage total to be ...

  12 +3x = 23.4 . . . . an equation that can be used to find x

  4 + x = 7.8 . . . divide by 3

  x = 3.8 . . . . . . subtract 4

Lillian would have to ride an average of 3.8 miles each day to reach her goal.

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20liters of mixture contain milk nad water in the ratio 5:3 if 4liters of the mixture are replaced by 4 liters of milk find the
Finger [1]

Answer:

the new ratio milk/water is  14:6  or 7:3

Step-by-step explanation:

milk/water=5/3

milk +water=5+3=8

ratio of milk=5/8  and ratio of water=3/8

if 4 liter removed from mixture then: 20=4= 16 liter

the amount of milk in 16 liter=16*5/8=10 liter of milk

the amount of water in 16 liter=16*3/8= 6 liter

add 4 liter of milk to the mixture: 10+4=14 liter of milk and 6 liter of water

the new ratio milk/water is  14:6  or 7:3

5 0
3 years ago
The equation of s circle is x2+y2+6x+4y+10=1. What is this equation written in standard form?
Andreas93 [3]

Answer:

i think it would be x two+ y two + six x + four y+ ten= one is that one the answers if so i hope this helps if not just give me the answers and i will try to help you as much as i can thanks

Step-by-step explanation:


4 0
3 years ago
Tabitha walked 13.5 miles in 3 hours. at that speed how many miles will she wallk in seven hours?
NISA [10]

Answer: 31.5 miles


Step-by-step explanation: know how many miles tabitha walked per hour, which is 4.5 miles. then multiply 13.5 x 2, and add 4.5 to receive your answer - 31.5.


8 0
3 years ago
Read 2 more answers
Solve 1/X= 1/t + 1/n for X
umka21 [38]
The answer is x = 2 that's what I think
8 0
4 years ago
The ratio 3/2 can also be written as?<br> 3 to 2<br> 3:2<br> all of the above
DanielleElmas [232]
Ratio 3/2 can be written as
3 to 2 
or 
3:2
or
3/2

so answer is <span>all of the above</span>
7 0
3 years ago
Read 2 more answers
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