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Zinaida [17]
3 years ago
6

Explain how to do distributive property. Use an example.

Mathematics
1 answer:
klasskru [66]3 years ago
3 0

Answer:

so we have 4(3x + 10)

then we are going to take the 4 and distribute it into our problem

so: 4(times)3x and then 4( times)10

to get :

<h2>12x+40</h2>

Step-by-step explanation:

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2.13 x 10^24 molecules of water is how many moles of water?
pishuonlain [190]

Answer:

1 mole of anything = 6.023 * 10^23

2.13 * 10^24 divided by 6.023 * 10^23 =

3.54 moles

Step-by-step explanation:

5 0
3 years ago
Listen Two construction cranes are used to lift identical 1200-kilogram loads of bricks the same vertical distance. The first cr
AveGali [126]

Answer:

The power developed by the 1st crane is twice the power developed by the 2nd crane.

Step-by-step explanation:

According to the question,

work done by both of the cranes are the same. Let it be W.

Then power developed by the first crane,

= P_{1} = \frac {W}{20} unit -----------------(1)

and, the power developed by the 2nd crane,

= P_{2} = \frac {W}{40} unit ------------------(2)

So, we get that,

P_{2} = \frac {P_{1}}{2}

So, the power developed by the 1st crane is twice the power developed by the 2nd crane.

3 0
3 years ago
Please help<br> Answer choices are:<br> A.) 364.5 cm<br> B.) 243 cm<br> C.) 27 cm<br> D.) 22 cm
LekaFEV [45]

Answer:

22

Step-by-step explanation:

the equation of a circle is A=πr2 therefore to find the radius you would take the square root of 484 resulting in an answer of 22.

6 0
3 years ago
The speed of light is 186,000 miles per second. About how many miles does light travel in an hour? 5.2 × 10 1 miles 3.1 × 10 3 m
Masteriza [31]
The 100% answer is 670,616,629 but since thats not an option the closest answer to that is the last one 6.7 x 108 miles if not its the first one 5.2 x 101.
I hope this helps!!!!
6 0
3 years ago
A sprinter runs 300 meters in 52 seconds. What is the runner's average running rate in
Rudik [331]

Answer

5.8

Step-by-step explanation:

5.769230769230769

3 0
3 years ago
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