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Irina-Kira [14]
3 years ago
9

6, 9, 12, 15 which pair of numbers has an odd product and an even sum?

Mathematics
1 answer:
amid [387]3 years ago
8 0
The only way for two integers to have an odd product is each integer is odd.
For example, 1*3=3  (odd), 1 and 3 are both odd.
Or,
5*11=55, all of 5,11,55 are odd.
The sum of two odd integers is always even, so the condition of even sum is automatically satisfied when the product is odd.
Out of the four integers, there are only two odd numbers, so choose the pair to be these two odd numbers and you'd get the right answer.
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Richard is 6 years older than Lisa, and in 5 years the sum of their ages will be twice as much as the sum of their ages 4 years
natta225 [31]
If we assume that Lisa is x years old, then Richard will be (x + 6)years
In 5 years time
Lisa = x +5 years
Richard = x +11 years
sum will be 2x + 16 years
4 years ago
Lisa = x-4 years
Richard = x + 2
Sum will be 2x - 2
 Therefore;
2(2x-2) = 2x +16
4x -4 = 2x +16
      2x = 20
        x = 10 
Thus, the present age of Lisa is 10 years and that of Richard is 16 years

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2 years ago
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NeX [460]
The answer is that since 25% is 25/100 it simplifies it to 1/4 so the answer is 1/4. Please mark me Brainiest
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2 years ago
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14.
romanna [79]
1. C
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3 years ago
Is 1/3 greater than 5/6
Harman [31]
1/3 or 5/6 

Lets make the fractions into decimals. To make a fraction into decimal you have to divide the numerator by the denominator. The numerator is the top part of a fraction and the denominator is the bottom part of the fraction. 

≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡

Calculations

1/3
1 ÷ 3 =  0.3333.... 

5/6 
5 ÷ 6 = 0.83333...

0.83333... is greater then 0.3333.....
Therefore 5/6 is greater then 1/3 
1/3 is smaller then 5/6 
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Answer: its is square pyramid or D

Step-by-step explanation:

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