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Tems11 [23]
3 years ago
7

Tyler walks 1/4 miles in 1/12 hour. How many miles per hour is Tyler walking?

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0

Tyler walks \frac{1}{4} miles in \frac{1}{12} hour. For 1 hour, you have to multiply by 12 since \frac{1}{12} \times 12 = 1.

\frac{1}{4} \times 12 = \frac{12}{4} = 3

Your answer is B) 3 miles per hour

Elis [28]3 years ago
5 0

To put the question in slightly different words: "What is Tyler's speed ?"

I said it that way because everybody knows the simple formula for speed:

Speed = (distance covered) / (time to cover the distance)

We know both of those numbers, so all we need to do is to pluggum in:

Speed = (1/4 mi) / (1/12 hr)

(1mi/4) ÷ (1hr/12) = (1mi/4) · (12/1hr) = (12mi / 4hr) = 3 mi/hr

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Consider the absolute value function f(x) = a[x]. Would the values of a produce a shrink or a stretch? So
Rom4ik [11]

Answer:

Shrink:

a=1/4

a=0.3

Stretch:

a=60

a=2.5

a=1.1

Step-by-step explanation:

7 0
3 years ago
A cone with radius 2 and height 9 has its radius tripled. How many times greater is the volume of the larger cone than the small
SpyIntel [72]

Answer:

When increasing the radius 3 times the volume increases 9 times and when it is reduced to a third the volume decreases 9 times

Step-by-step explanation:

We have that the formula for the volume of a cone is:

Vc = pi * (r ^ 2) * h

We first calculate the original volume, where the radius is 2 and the height is 9, replacing:

Vc = 3.14 * (2 ^ 2) * 9

Vc = 113.04

Now if the radius is tripled it would be: 2 * 3 = 6, the radius would be 6, replacing:

Vc = 3.14 * (6 ^ 2) * 9

Vc = 1017.36

If we compare:

1017.36 / 113.04 = 9

This means that when the radius is tripled, the volume increases 9 times.

When if re reduces to a third the radius would be: 2/3, replacing:

Vc = 3.14 * ((2/3) ^ 2) * 9

Vc = 12.56

113.04 / 12.56 = 9

Which means that by reducing it to a third the volume becomes 9 times smaller.

6 0
3 years ago
I need help pleasee
nikitadnepr [17]

Answer:

c is the answer

explination:

4*3 1/2=28/2

28/2 divided by 6 is equal to 7/3 or 2 1/3

6 0
3 years ago
An ordered pair tells us what about a system of equations ?
mash [69]

Answer:

Step-by-step explanation:

It may not tell you anything. You have to be careful how you think about the answer to this. An ordered pair is just that: it describes an x and y value and that is really all that it does.

However it may also be used to describe the solution to a system of equations which cross in one place. For example, if you plot

y = x + 1

y = -3x + 2

The ordered pair that gives the point where both equations equal the same thing is (0.25,1.25) The graph is shown below, and the ordered pair marks the solution.

6 0
2 years ago
Shana has three black pens, two red pens, and four blue pens in her book bag. Shana randomly chooses a pen from her book bag wit
liubo4ka [24]

6/9 is  the answer.

2+3+4=9 (denominator)

4+2=6 (numerator)  

3 0
2 years ago
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