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vova2212 [387]
3 years ago
15

A set of triplets weighted 4lb 3oz , 3 lb 9oz and 4 lb 5 oz . What is the total weight of all three babies ?

Mathematics
1 answer:
den301095 [7]3 years ago
8 0

Answer:

12 lb   1 oz

Step-by-step explanation:

Add the amounts together

4lb 3oz ,

3 lb 9oz

4 lb 5 oz

-------------------

11 lb  17 oz

But 16 oz is 1 lb so subtract 16 oz and add 1 lb

11 lb 17 oz

+1lb - 16 oz

--------------------

12 lb   1 oz

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notsponge [240]
The distance between two positions with longitudes A and B is given by ||A| - |B|| if the two positions are at the same side of the meridian (0 degrees longitude) and |A| + |B| if both positions are at different sides of the meridian.

Given that <span>Moscow is at 37.62 degrees longitude and Brasilia is at -47.87 degrees longitude, thus the two cities are at different sides of the meridian.

Therefore, the distance </span><span>(in degrees) between the longitude lines of Moscow and Brasilia</span> is |37.62| + |-47.87| = 37.62 + 47.87 = 85.49
6 0
3 years ago
How many 3 digit palindromes are divisible by 9?
ludmilkaskok [199]

Interesting problem.

A palindrome is a number which is identical when read/interpreted left-to-right or right-to-left.   For example, 14241 is a palindrome, so is 444444.


A three digit palindrome must be made up of two distinct digits only, one for the first and last digits, and one for the middle, for example, 424, or 515, etc.


For a number to be divisible by 9, the sum of the digits must add up to a multiple of 9, such as 0, 9, 18, 27, etc.


We can now form a table of the possible 3-digit palindromes divisible by 9, starting with the first/last digits (=A), and finding the middle digit (=B).  The number is therefore represented by the pattern ABA.

For example, when A=1, we have the number 1B1.  For the number to be divisible by 9, B=7 so that sum=1+7+1=9, which is divisible by 9.

For each value of A (from 1 to 9) we can only find one value of B that makes the number divisible by 9.   Thus we can only find nine such numbers, with A equal to 1 to 9.

Here's a list of the numbers

A   B   number

1    7    171

2   5    252

3   3    333

4   1     414

5   8    585

6   6    666

7   4    747

8   2   828

9   0   909

3 0
3 years ago
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Simora [160]

Answer:  (5/1, -3)

Hope this helps :)

5 0
2 years ago
Read 2 more answers
Divide. Write the quotient in the lowest terms.
oee [108]

Answer:

12/1\frac{1}{5} = 10

8 0
2 years ago
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liraira [26]

Answer:

a

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