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3 years ago

Which conversion factors are used to multiply to 18cm/ s to get meters per minute?

Mathematics

1 answer:

Nimfa-mama [501]3 years ago

8 0

Remark

The short answer is you multiply 0.6 times the cm/s to get m/min.

Solve

Though you didn't ask for it, here's the way it is done. Notice that each set of brackets cancels the units of a set of brackets to the left of the set of brackets you are observing. This is called unit analysis. The answer is given below.

$\frac{18 cm}{sec} *[\frac{60 cm}{1 min}] * [\frac{1 m}{100 cm}] = 18*0.6\frac{m}{min}=10.8\frac{m}{min}$

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Sam drove 320 miles in 2.5 hours, how long will it take to drive 500 at the same rate (speed)?

marishachu [46]

Answer:

D = (55)(4.5)

425 = 60 T

200 = R (2.5)

4.6 hours

59 mph

217 miles

Step-by-step explanation:

6 0

4 years ago

What is the height of a pyramid (with a square base) whose side length is 12 cm and its slant

Bingel [31]

We have been given that side length of pyramid the square base is 12 cm and its slant height is 10 cm. We are asked to find the height of the pyramid.

We will use slant height of a pyramid formula to solve our given problem.

$s=\sqrt{h^2+\frac{1}{4}a^2}$ ,where,

s = Slant height,

h = Height,

a = Each side of square base.

Upon substituting our given values in above formula, we will get:

$10=\sqrt{h^2+\frac{1}{4}\cdot 12^2}$

$10=\sqrt{h^2+\frac{1}{4}\cdot 144}$

$10=\sqrt{h^2+36}$

Switch sides:

$\sqrt{h^2+36}=10$

Let us square both sides:

$(\sqrt{h^2+36})^2=10^2$

$h^2+36=100$

$h^2+36-36=100-36$

$h^2=64$

Now we will take positive square root of both sides.

$\sqrt{h^2}=\sqrt{64}$

$h=8$

Therefore, the height of the pyramid is 8 cm and option 'b' is the correct choice.

7 0

3 years ago

A cube is packed with decorative pebbles. If the cube has a side length of 6 inches, and each pebble weighs on average 0.5 lb pe

Rudik [331]

The volume of the cube is 6*6*6 (in cubed)=216 (in cubed).

in 1 cubic inch, there is 0.5 lb of weight

so in 216 cubic inch, there are 216*0.5 lb = 108 lbs of weight

Answer: 108 lbs

8 0

3 years ago

Read 2 more answers

Please help me figure this out

alexandr402 [8]

Yes the answer you have selected is correct

3 0

4 years ago

What is the value of x in the equation below? 1+2eX+1 = 9

Monica [59]

The value of x is 1.252762968495368

Solution: