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Sladkaya [172]
3 years ago
9

If you know the 7x8=56 how can you use the Commutative Property of Multiplication to find the product of 8x7?

Mathematics
1 answer:
boyakko [2]3 years ago
5 0

Answer:

The communicative property for multiplication states that the order of the multiplicands and can be swapped and the resulting product stays the same.

So

A * B = B * A

So if

7*8=56

then the commutative property says

8*7=56 as well since you can swap the order of the terms on the left and not change the result.

This property is true for addition and multiplication. It does not hold for subtraction or division.

Hope that makes sense and helps. (:

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OLga [1]
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A tank is full of water. Find the work W required to pump the water out of the spout. (Use 9.8 for g and 3.14 for π. If you ente
OLEGan [10]
To answer the question above, we will have to use some calculus approach to this problem.


<span>volume of sphere = (4/3)(pi)(radius^3) = (4/3)(pi)(9^3) = 972pi </span>
<span>mass = (density)(volume) = (972pi)(1,000) = 972,000pi </span>
<span>force = (mass)(acceleration or gravity here) = (972,000pi)(9.8) = 9,525,600pi </span>
<span>work = (force)(distance) = (9,525,600pi)(4.5) = 42,865,200pi J 
</span>
I hope my answer helped you with your problem
6 0
3 years ago
If anyone could help me with this question it would be much appreciated. I'm stuck as to how to work this out.
KiRa [710]
Substitute n with 5 and 6

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7 0
3 years ago
Solve this equation -2x + 8 = 22
hichkok12 [17]

I got you :)

-2x + 8 = 22

Subtract 8 from both sides....

-2x = 14    Divide by 2 on both sides....

<h2><u>x = -7</u></h2>

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3 years ago
plz answer asap plz If the school has x students, write an expression for the number of sixth graders in terms of x. Use x as yo
scZoUnD [109]

Answer:

Assuming the fraction of students is 2/9,  

2/9x

Step-by-step explanation:

5 0
3 years ago
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