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ELEN [110]
3 years ago
5

Mia discovered that if she takes half her age and adds 3, it produces the same results as taking one-fourth of her age and addin

g 7. How old is Mia?
Mathematics
1 answer:
Vikentia [17]3 years ago
5 0

See https://web2.0calc.com/questions/help_29833.

You might be interested in
Donald spends a total of $17.43 on peanuts that cost $2.49 per pound. How many pounds of peanuts does he buy?
True [87]

Answer:

He bought 7 pounds of peanuts

Step-by-step explanation:

17.43/2.49=7

4 0
3 years ago
An airplane encountered a head wind during a flight between Joppetown and Jawsburgh which took 5 hours and 30 minutes. The retur
yawa3891 [41]

Answer: a) 490.91 mph

b) 540 mph

c) speed of the​ wind = 49.1 mph

Step-by-step explanation:

Given that flight between Joppetown and Jawsburgh took 5 hours and 30 minutes.

Time t = 5.5hours

Distance = 2700 miles

Speed = distance/ time

Speed = 2700/5.5

Speed = 490.91 mph

The return flight took 5 hours of the same distance from = 2700 ​miles

Speed = 2700/5 = 540 mph

speed of the​ wind = the difference in the two speed

speed of the​ wind = 450 - 490.91

speed of the​ wind = 49.1 mph

Speed = 540m/s

6 0
3 years ago
What is eight dozen in standard form?
Amiraneli [1.4K]
Assuming 8 dozen is 96 not 8000000000000 it would be 9.6x10¹. If it is 8000000000000 then it's 8x10¹²
8 0
4 years ago
The Appalachian Trail is about 2,175 miles long.
Nesterboy [21]

Answer:

121 days; 30 full days

Step-by-step explanation:

to find how much days she takes you divide 2175 by 18

2175 / 18 is 120.833333

it will take her at least 121 days because you need to round up

the last portion of the hike would be a quarter of the hike

you would divide the final time by 4 and that is your answer

121 / 4 is 30.25

you have to round down because .25 is not a full day

she hiked 30 full days

4 0
3 years ago
Robert called two bowling centers, Fannin Lanes and Fun Times Lanes, to déterminé the cost to bowl. Fannin Lanes charges 2.50 pe
Archy [21]

Answer:

4 games

Step-by-step explanation:

<em>Robert called two bowling centers, Fannin Lanes and Fun Times Lanes, to déterminé the cost to bowl.</em>

Let x number of games played

y represents total cost to bowl

  • Fannin Lanes charges 2.50 per games plus 2 for shoe rental

y = 2.50x + 2

  • Fun Time Lanes charges 2 per game plus 4 for shoe rental.

y = 2x + 4

<u><em>If total cost to bowl be same at both center</em></u>

2.50x + 2 = 2x + 4

2.5x - 2x = 4-2

        0.5x = 2

             x = 4

Hence, 4 games will the cost to bowl be the same at both center.

3 0
4 years ago
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