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Nonamiya [84]
3 years ago
12

The sum of two number is 12 and there product is 27 find the number,let the number be X and Y

Mathematics
1 answer:
timofeeve [1]3 years ago
6 0

Answer:

the answer is 3 and 9

Step-by-step explanation:

(x for 3 and y for 9)

3 + 9 = 12 and 3×9= 27

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There are 18 books on the summer reading list. In how many different ways can you choose one per week for 8 weeks?
Travka [436]
There are 8 weeks and 18 books. therefore you would multiply these numbers together.
the answer would be 144 different combinations.

not sure about the permutation or combination notation, but I got you on the first part!
5 0
4 years ago
Expand and simplify (x-3)(2x+1)(x+1)
Vladimir [108]

Answer:

2 3 − 3 2 − 8 − 3

Step-by-step explanation:

6 0
3 years ago
Jenna has $500 in her account and withdraws $50 every Sunday to pay for her account after n lessons,
Lostsunrise [7]

Answer:

What do you want for the answer?

This?

500-50n

Step-by-step explanation:

7 0
3 years ago
One scientific team determened that the avrage thickness of a chickens egg shell is 0.311 millimeters
rosijanka [135]

Answer:

As we can see the average for the thickness of a chickens egg shell is 0.311 mm and if we want to round this number to the nearest tenth we just need to see the second decimal place and round to one decimal place.

This second decimal place for this number is 1 and this number is \leq 5 so then if we round to the nesrest tenth we will get:

0.3 mm

Step-by-step explanation:

We use the following info in order to complete the qeustion:

Round the thickness of the shell to the nearest tenth.

0.3

0.5

0.92

9

As we can see the average for the thickness of a chickens egg shell is 0.311 mm and if we want to round this number to the nearest tenth we just need to see the second decimal place and round to one decimal place.

This second decimal place for this number is 1 and this number is \leq 5 so then if we round to the nesrest tenth we will get:

0.3 mm

7 0
3 years ago
The sum of three consecutive even integers is 126. Let x represent the first integer, x + 2 represent the second integer, and x
LekaFEV [45]
We have that (x) + (x+2) + (x+4) = 126 so 3x + 6 = 126 can be used to find the first integer.

3x + 6 = 126
3x = 120
x = 40

The numbers are 40, 42, 44
4 0
3 years ago
Read 2 more answers
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