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3 years ago

4.5m equales how many cm

Mathematics

1 answer:

lara31 [8.8K]3 years ago

7 0

When i converted it 4.5 meters is 450 centimeters

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A car travels 6 miles in 5 minutes. How fast is it going in miles per hour? How fast is it going in meters per second?

belka [17]

Answer:

72 m\ p.h.

Step-by-step explanation:

we have 60 minute in one hour

we must divide 60 by 5=12

then 6*12=72!!!

it is very easy

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2 years ago

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cConsider a game in which players roll a number cube to determine the number of points earned. If a player rolls a prime number,

quester [9]

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3 years ago

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Find the MEAN 8, 2, 22,5, 3, 12, 4*

Triss [41]

Answer:

The mean is 8.

Step-by-step explanation:

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3 years ago

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Find the length of the arc and express your answer as a fraction times pie

Elina [12.6K]

Solution:

Given a circle of center, A with radius, r (AB) = 6 units

Where, the area, A, of the shaded sector, ABC, is 9π

To find the length of the arc, firstly we will find the measure of the angle subtended by the sector.

To find the area, A, of a sector, the formula is

$\begin{gathered} A=\frac{\theta}{360\degree}\times\pi r^2 \\ Where\text{ r}=AB=6\text{ units} \\ A=9\pi\text{ square units} \end{gathered}$

Substitute the values of the variables into the formula above to find the angle, θ, subtended by the sector.

$\begin{gathered} 9\pi=\frac{\theta}{360\degree}\times\pi\times6^2 \\ Crossmultiply \\ 9\pi\times360=36\pi\times\theta \\ 3240\pi=36\pi\theta \\ Divide\text{ both sides by 36}\pi \\ \frac{3240\pi}{36\pi}=\frac{36\pi\theta}{36\pi} \\ 90\degree=\theta \\ \theta=90\degree \end{gathered}$

To find the length of the arc, s, the formula is

$\begin{gathered} s=\frac{\theta}{360\degree}\times2\pi r \\ Where \\ \theta=90\degree \\ r=6\text{ units} \end{gathered}$

Substitute the variables into the formula to find the length of an arc, s above

$\begin{gathered} s=\frac{\theta}{360}\times2\pi r \\ s=\frac{90\degree}{360\degree}\times2\times\pi\times6 \\ s=\frac{12\pi}{4}=3\pi\text{ units} \\ s=3\pi\text{ units} \end{gathered}$

Hence, the length of the arc, s, is 3π units.

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9 months ago

I need the answer for the question -4(x-10)+8 for my homework please.

mixer [17]

Answer:

i think the answer is

-4x+48

7 0

2 years ago