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zavuch27 [327]
3 years ago
6

Umm I need help with math

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
6 0

Answer:

Step-by-step explanation:

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Ali hops on his 3 wheeler and heads off at 12 mph. Two hours later, Fatimah chases after him on a moped at 18 mph. How far will
mash [69]

Answer: 72 miles.

Step-by-step explanation:

We know the relationship:

Distance = speed*time.

Then we can write the equation for distance as a function of time for Ali as:

A(t) = 12mph*t

where t is time in hours.

Fatimah's equation will be:

F(t) = 18mph*(t - 2h)

where the -2h appears because she starts two hours after Ali.

Fatimah will overtake Ali when F(t) = A(t) (their positions are the same)

Then we need to solve:

12mph*t = 18mph*(t - 2h)

12mph*t = 18mph*t - 18mph*2h

12mph*t = 18mph*t - 36 mi

36 mi = (18mph - 12mph)*t

36mi = 6mph*t

36mi/6mph = t

6h = t

So Ali travels for 6 hours before he gets overtaken, then the total distance that Ali travels is:

A(6h) = 12mph*6h = 72 mi

3 0
2 years ago
The sector of a circle with a 60 millimeters radius has a central angle measure of 30° . What is the exact area of the sector in
ASHA 777 [7]
R = 60
60^2 * pi = 3600 * pi
angle = 30°
3600pi / 30 = 120pi
the answer is 120 * pi
7 0
3 years ago
A number is not an interger.What type of number can it be?
EleoNora [17]
If it is not an integer, it would have to be a decimal.
4 0
3 years ago
Please help me on this <br><br> Simplify (12^2)^4
nika2105 [10]

(12^2)^4

= 12^(2*4)

= 12^8 (or 429,981,696)

7 0
3 years ago
N³+2n is divisible by3​
Ludmilka [50]

Answer: Watch explanations

Step-by-step explanation:

8 0
3 years ago
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