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elixir [45]
3 years ago
11

Which conversion factors can be used to multiply to 4 km/min to get meters per hour?

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
8 0
A and b .....i had this problem on a quiz.
Orlov [11]3 years ago
3 0
Answer: option B and D (1000m/km and minute/60 second)
In this question, we have two unit that needed to be converted, kilometer/minutes into meter/second.
First, we need to convert km into the meter. One kilometer is equal to 1000 meter. To change kilometer into the meter, the unit used for multiplication should be 1000m/km which is option B.
Then we need to convert minute into the second. One minute is equal to 60 seconds. To change "/minute" into "/second" the multiplication unit should be minute/60 second which was option D
You might be interested in
Solve for x:
elixir [45]
I’m going to say multiply both sides by a which gives you:

a^2-ab-a=2

If not give me a call
4 0
3 years ago
Planes X and Y are perpendicular. Points A, E, F, and G are points only in plane X. Points R and S are points in both planes X a
NemiM [27]
Given:

Planes X and Y are perpendicular to each other
Points A, E, F, and G are points only in plane X
Points R and S are points in both planes X and Y
Lines EA and FG are parallel

The lines which could be perpendicular to RS are EA and FG. 
6 0
3 years ago
Read 2 more answers
Laura has a rectangular piece of wood that is 7in by 4in she wants to cover it with strips of ribbon that are 1/4 inch wide what
inn [45]

Answer: 112 inches.

Step-by-step explanation:

You know that the width of the rectangular piece of wood is 4 inches and the width of the strip ribbon is 1/4 inches.

Then, let be "n" the number of strips ribbon that Laura needs to cover the width of the rectangular piece of wood (Assuming that she will cover the wood in the form shown in the figure attached). This is:

n=\frac{4in}{\frac{1}{4}in}\\\\n=16

To find the lenght of ribbon that Laura needs to conver the wood, you must multiply the number of strips ribbon "n" by the lenght of the rectangular piece of wood, then you get:

lenght=(16)(7in)\\lenght=112in

8 0
4 years ago
Suppose you choose a team of two people from a group of n > 1 people, and your opponent does the same (your choices are allow
jonny [76]

Answer:

The number of possible choices of my team and the opponents team is

 \left\begin{array}{ccc}n-1\\E\\n=1\end{array}\right     i^{3}

Step-by-step explanation:

selecting the first team from n people we have \left(\begin{array}{ccc}n\\1\\\end{array}\right)  = n possibility and choosing second team from the rest of n-1 people we have \left(\begin{array}{ccc}n-1\\1\\\end{array}\right) = n-1

As { A, B} = {B , A}

Therefore, the total possibility is \frac{n(n-1)}{2}

Since our choices are allowed to overlap, the second team is \frac{n(n-1)}{2}

Possibility of choosing both teams will be

\frac{n(n-1)}{2}  *  \frac{n(n-1)}{2}  \\\\= [\frac{n(n-1)}{2}] ^{2}

We now have the formula

1³ + 2³ + ........... + n³ =[\frac{n(n+1)}{2}] ^{2}

1³ + 2³ + ............ + (n-1)³ = [x^{2} \frac{n(n-1)}{2}] ^{2}

=\left[\begin{array}{ccc}n-1\\E\\i=1\end{array}\right] =   [\frac{n(n-1)}{2}]^{3}

4 0
4 years ago
ANSWER PLEASE! WILL MARK BRAINLIEST! OFFERING 30 POINTS!
SSSSS [86.1K]

Answer:

C

Step-by-step explanation:

Work backwards. You are given -3 , -30 for C. If you add -3 + 3 and the divide it by 2 , you get 0. If you add 8 + -20 and divide by 2 you get -6 , so the answer is C.

7 0
3 years ago
Read 2 more answers
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