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masya89 [10]
4 years ago
8

I need help with part A

Mathematics
1 answer:
Sonbull [250]4 years ago
4 0
Use x as the variable for Kim's sister's age. kim being twice as old as her sister should be represented as 2x. their ages add up to 36 so put add the terms representing Kim and her sisters age and make it equal to 36.
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Form the intersection for the following sets.
xxTIMURxx [149]

Answer:

  • {20}

Step-by-step explanation:

<u>Given sets</u>

  • R = {10, 15, 20}
  • S = {20, 25}

<u>Intersection of sets</u>

  • R ∩ S = {20}
4 0
4 years ago
List the numbers that have 30 as a multiple
olga2289 [7]
First we list the multiples of each number.
multiples of 5 are 10,15,20,25,30,35,40,...
multiples of 6 are 12,18,24,30,36,42,48,...
multiples of 15 are 30,45,60,75,90,...
now, when you look at the list of multiples, you can see that 30 is the smallest number that appears in each list.
therefore, the least common multiple of...... 5,6 and 15 is 30.
3 0
3 years ago
A dealer sold a stereo system for $754 after he marked it up 45%. What did the dealer pay for the stereo system?
svetlana [45]
754/145 = 5.2
5.2 x 100 = 520
Final answer = 520
8 0
3 years ago
What is 2 2/3 minus 1 1/2
vagabundo [1.1K]

Answer:

1 1/6

Step-by-step explanation:

2 2/3 = 2+2/3

1 1/2 = 1+1/2

So (2 2/3) - (1 1/2)=2+2/3-(1+1/2)=

2+2/3-1-1/2=1+(2/3-1/2)=1+(4-3)/6=1+1/6=

1 1/6

5 0
3 years ago
Read 2 more answers
Can u plz help me thank u
rusak2 [61]

Answer:

the answer to the problem is -18

8 0
4 years ago
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