3 years ago

Write a sentence that shows the commutative property of multiplication

Mathematics

1 answer:

jeka57 [31]3 years ago

8 0

5*9=9*5 and that shows it because 9 times 5 is equal to 5 times 9

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(25)2×100÷23+[24÷(13−5)]

hram777 [196]

Answer:

100*100/23+(24/8)

100*100/23+3

100*4.37+3

43.7+3

46.7

Step-by-step explanation:

7 0

3 years ago

PLS NEED HELP!A club had 5 members in 2019, this year they now have 14 members. Calculate and interpret the percent change in th

Butoxors [25]

Answer: The percent changed because it increased by 180%.

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

My questions are in the picture please help

Marrrta [24]

21.

So to solve for the value of a variable in an equation, you would need to isolate x on one side. The first thing you have to do is multiply 2 and (x + 7) together, which can be rewritten as 2(x) + 2(7). After multiplying, your equation would be: $2x+14+3x=12$ , or A.

22.

So the rule with multiplying exponents with the same base is to add the exponents together, and the rule with dividing exponents with the same base is to subtract the exponents. Your equation will be simplified as such:

$4^{(3+4)-9}\\ 4^{7-9}\\ 4^{-2}$

Now the rule with converting negative exponents into fractions is $x^{-m}=\frac{1}{x^m}$ . In this case, 4^-2 would turn into $\frac{1}{4^2}$ , or C, which is your final answer.