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3 years ago

14

Compare the size of 1 meter to the size of 1 centimeter. use your meterstick to help.

1 answer:

inn [45]3 years ago

4 0

This seems like a simple conversion problem. 1m=?cm and 1cm=?m.

Since this uses the metric system, you know the general layout of the prefixes: K H D M d c m. I remember this as King Henry died Monday drinking chocolate milk, but as long as you remember it you're good.

Let's look at 1m. Centimeters is two places away from it
K H D (M) d (c) m
This means you move the decimal place to the right two times, so 1 meter is equal to 100 centimeters.

For 1 cm, the meter position is two places away. This means we have to move the decimal place to the left two times. So, 1 centimeter is equal to 0.01 meters.

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Which is traveling faster, a car whose velocity vector is 201 + 25), or a car whose velocity vector is 30i, assuming that the un

ioda

Answer with explanation:

For any object having the velocity vector as

$\overrightarrow{v}=v_x\widehat{i}+v_y\widehat{j}+v_z\widehat{k}$

the magnitude of velocity is given by

$|v|=\sqrt{v_x^2+v_y^2+v_z^2}$

For car 1 the velocity vector is

$\overrightarrow{v}_1=20\widehat{i}+25\widehat{j}$

Therefore

$|v_1|=\sqrt{20^2+25^2}\\\\\therefore v_1=32.0156units$

Similarly for car 2 we have

$\overrightarrow{v}_2=30\widehat{i}$

Therefore

$|v_2|=\sqrt{30^2}\\\\\therefore v_2=30.0units$

Comparing both the values we find that car 1 has the greater speed.

7 0

3 years ago

Translate this sentence into a equation. 117 is the product of Delia's age and 9.

Tju [1.3M]

Let Delta's age be d

$d=\frac{117}{9}$

8 0

3 years ago

A motorcycle zoomed along the freeway, traveling 10 meters in

Nana76 [90]

Answer:

30 meters per second

Step-by-step explanation:

$speed =\frac{distance}{time}\\speed =\frac{10}{\frac{1}{3} }\\speed =10*3\\speed = 30mps$

4 0

4 years ago

The area of the continent of north america is about 9,540,000 in expamded form using expontes to show powers of 10

Firdavs [7]

Koalagirl133 I think this is the answer I don't know if it is 9,540,000× 10 = 94, 500, 000

3 0

3 years ago

Express the area of the entire rectangle. you answer should be a polynomial in standard form.

mixer [17]

Answer:x^2 + 9x + 20

Step-by-step explanation:

You could just multiply (x+4)(x+5) and get x^2 + 9x + 20, but judging from the picture, it looks like they want you to split it into 4 rectangles

x^2 +4x+ 5x + 20 =x^2 +9x + 20, just like (x+4)(x+5)

8 0

3 years ago