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bogdanovich [222]
3 years ago
15

Which pair of expressions is equivalent using the Associative Property of Multiplication?

Mathematics
1 answer:
Dvinal [7]3 years ago
7 0
Answer is 5(3a ⋅ 4) = (5 ⋅ 3a) ⋅ 4 (second one) ...this one is using <span>Associative Property of Multiplication</span>
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75 people to 25 people
Nat2105 [25]
Percent decrease { (original number - new number) / original number....x 100

percent decrease : (75 - 25) / 75....x 100
                                  50 / 75...x 100
                                  0.666 x 100
                                     66.6% decrease <==not sure if u need it rounded ?
4 0
3 years ago
Can i get the answer to this question please???? and fast
lord [1]
The triangle must be isosceles, due to the perpendicular bisector. Therefore, the expression 20 - 15 can be used to yield an answer of B. 5.

Hope this helps!
5 0
3 years ago
A sales associate is given a $500 hiring bonus with a new job. She earns an average commision of $250 per week for the next 12 w
allsm [11]
$3500 250 x 12 + 500
4 0
3 years ago
im stupid. honestly. just help me pls. this is probably really easy but i aint done any maths in over a month so ion remember ho
KATRIN_1 [288]

Answer:

19 coins

Step-by-step explanation:

We know that mean is the sum of all the elements divided by the number of elements there are: m = t/n, where m is the mean, t is the total sum, and n is the number of elements.

Here, we are given the mean number of coins for all 27 + 18 = 45 children is 16, so m = 16 and n = 45. Then:

m = t/n

16 = t/45

t = 720

This t means that the total number of coins that all the boys and girls have is 720 coins.

Now, we also know the mean number of coins for the boys only, which is 14. Since there are 27 boys, then:

m = t/n

14 = t/27

t = 378

This t means the total number of coins all the boys have.

Subtracting 378 from 720, we get 342, which is the total number of coins the girls have. We also know there are 18 girls, so:

m = t/n

m = 342 / 18 = 19

Thus, the mean is 19 coins.

7 0
3 years ago
Read 2 more answers
Which expression is equivalent to 42 + 30?
Zanzabum
42+30= 72
6 (36+24)=120 not equal
7 (6+30)=252 not equal
6 (7+5)=72 equal
5 (37+35)= 360 not equal
8 0
4 years ago
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