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strojnjashka [21]
3 years ago
7

Verify that a+b=b+a by taking a=6 and b=3/6

Mathematics
1 answer:
Klio2033 [76]3 years ago
4 0

Answer:

13

Step-by-step explanation:

substitute all the numbers in

6+3/6+3/6+6=13

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A bank teller knows that she received 34 dimes and nickels from a customer. If the change totaled $2.05, how many dimes and nick
ivanzaharov [21]
D = # of dimes
n= # of nickles

d + n = 34 so d = 34 - n
.10d + .05n = 2.05

substitute d = 34 - n into .10d + .05n = 2.05

.10d + .05n = 2.05
.10( 34 - n) + .05n = 2.05
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  n = 27

d = 34 - n
d = 34 - 27
d = 7

answer

<span>she received 7 dimes and 27 nickels</span>
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2 years ago
Use a model to solve 13 x 4/9 . Leave your answer as an improper fraction.
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Step-by-step explanation:

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3. It's b and c   4. total number of participants in marathon=99+121=220 percentage of female = 121/220×100 =55%   5. the answer is 7

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Mr. Mace's class is planning a field trip, and 3/5 of his students want to go to Chicago. Of those who want to go to Chicago, 2/
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121 ÷ (-11)<br> plz help asap
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