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ANEK [815]
3 years ago
13

Write the ratio 21 inches to 9 free as a fraction in simplest form​

Mathematics
1 answer:
saveliy_v [14]3 years ago
4 0

Answer: 7/3

Step-by-step explanation:

21/9

7/3 is the fraction in simplest form

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A car is travelling at exactly 6 miles per hour and accelerates at a constant rate to exactly 65 miles per hour.
vichka [17]

Answer:

14878.04878miles/hours^2

Step-by-step explanation:

Let's find a solution by understanding the following:

The acceleration rate is defined as the change of velocity within a time interval, which can be written as:

A=(Vf-Vi)/T where:

A=acceleration rate

Vf=final velocity

Vi=initial velocity

T=time required for passing from Vi to Vf.

Using the problem's data we have:

Vf=65miles/hour

Vi=6miles/hour

T=14.8seconds

Using the acceleration rate equation we have:

A=(65miles/hour - 6miles/hour)/14.8seconds, but look that velocities use 'hours' unit while 'T' uses 'seconds'.

So we need to transform 14.8seconds into Xhours, as follows:

X=(14.8seconds)*(1hours/60minutes)*(1minute/60seconds)

X=0.0041hours

Using X=0.0041hours in the previous equation instead of 14.8seconds we  have:

A=(65miles/hour - 6miles/hour)/0.0041hours

A=(61miles/hour)/0.0041hours

A=(61miles)/(hour*0.0041hours)

A=61miles/0.0041hours^2

A=14878.04878miles/hours^2

In conclusion, the acceleration rate is 14878.04878miles/hours^2

7 0
3 years ago
I need help ASAP due rn!
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There are no real solutions
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3 years ago
he equation a = a equals StartFraction 180 left-parenthesis n minus 2 right-parenthesis Over n EndFraction. represents the angle
irina1246 [14]

Answer:

give more info ;)

Step-by-step explanation:

8 0
2 years ago
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How do i write 563.84 in expanded notation?
andriy [413]

Answer:

(5 × 10^3) + (3 × 10^2) + (2 × 10^1) + (5 × 10^0) = 5,325

Step-by-step explanation:

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2 years ago
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All roses in a certain arrangement are red or yellow. If the ratio of red roses to the number of yellow roses is 1/2, each of th
kondaur [170]
A) 6
B)10
C)12
D)18
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Awnser is C
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