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inessss [21]
2 years ago
12

The sum of ages of a man and his wife is 81. The ratio of their ages is 5:4. Find the age of the younger person.

Mathematics
2 answers:
AfilCa [17]2 years ago
6 0

Answer:

i not 100% faithful but it B

Step-by-step explanation:

slamgirl [31]2 years ago
3 0

Answer:

A 30 years jjjajajajwiwkwkwiwqakaaiai

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How do you know that the decimal gor 2/11 repeats without ending​
lutik1710 [3]

Step-by-step explanation:

When we factorise the denominator into prime factors and there are only numbers 2 and 5, the decimal is finite.

Otherwise the decimal is infinite repeating.

Examples:

\dfrac{3}{20}\\\\20=2\cdot2\cdot5\to\text{decimal is finite}\\\\\dfrac{3}{20}=3:20=0.15\\---------------------\\\dfrac{7}{40}\\\\40=2\cdot2\cdot2\cdot5\to\text{decimal is finite}\\\\\dfrac{7}{40}=7:40=0.175\\---------------------\\\dfrac{5}{12}\\\\12=2\cdot2\cdot3\to\text{decimal is infinite r}\text{epeating}\\\\\dfrac{5}{12}=5:12=0.41666...=0.41\overline{6}

We have

\dfrac{2}{11}\\\\11-\text{prime number}\\\\\text{the decimal is infinite r}\text{epeating}

8 0
3 years ago
Consider a simple clock.
aniked [119]

Answer:

A. 280degree

B. 137degree

3 0
3 years ago
If the measure of an angle is 13 degree, find measure 0f its supplement
amid [387]

Answer:

167 degrees

Step-by-step explanation:

supplementary angles equal to be 180 degrees, so subtract the given angle from 180 to find the missing angle.

180-13=167

5 0
3 years ago
Can you guys please help me out on this one? I already tried but I just get confused. sorry for the bad camera quality. Please a
Tom [10]
Make a game out of it. it says that softball dimond is 50% bigger than a basball feild. also with the balls. transfer the feet to cm and go from there. i think you need to transfer the percentage into cm as well to get the answer.
5 0
3 years ago
Find the solution set of 5/y+4=3/y-2
GaryK [48]

Answer:

y=-1/3

Step-by-step explanation:

first combine like terms:

5/y-3/y=-2-4

2/y=-6

now multiply y on both sides:

2=-6y

solve the equation

y=-1/3

4 0
3 years ago
Read 2 more answers
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