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Marrrta [24]
3 years ago
11

I need to know if I did the tables right.

Mathematics
2 answers:
ELEN [110]3 years ago
5 0
Yes you did it correctly we are learning about this I class and I got that worksheet and made a hundred
son4ous [18]3 years ago
3 0
Yes you did do the tables right
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Age (years) Population Under 15 2600 15 - 64 16000 Over 64 4000 Calculate the child dependency ratio from the chart above. Round
Brums [2.3K]

Answer:

16.25%

=0.163 (correct to 3 decimal places)

Step-by-step explanation:

The child dependency ratio of a population is defined as the number of children (Under 15 years) divided by the working-age population (15–64 years old).

\mathrm{ Child}\;\mathrm{ dependency}\;\mathrm{ ratio}=\dfrac{{\mathrm{ Population}\,\left( \text{Under 15} \right)}}{{\mathrm{ Population}\,\left( {15-64} \right)}}\times 100

From the given table:

Population Under 15 years = 2600

Population of the working class (between 15-64) = 16000

Therefore:

\mathrm{ Child}\;\mathrm{ dependency}\;\mathrm{ ratio}=\dfrac{2600}{16000}\times 100\\\\=16.25\%

=0.163 (correct to 3 decimal places)

3 0
3 years ago
A water treatment plant needs to maintain the ph of the water in the
lakkis [162]

Answer:

0.9971

Step-by-step explanation:

Mark Me As n Brainlist

3 0
3 years ago
Evaluate the radical.<br><br> 1000−−−−√3
scoray [572]
( 1000 )^1/3 
= ( 10 ^3 )^ 1/3

= ( 10 ) ^ 3 × 1/3

= 10

I hope this will useful to you.
6 0
3 years ago
Factor completely 56a2b3 − 35ab.
VMariaS [17]

I would start off by taking away 1a. That would make the problem be 56ab3-35b.I only took away 1 because each have at least 1a and is okay to do.


Next I would deal with the variable b. I would cross of 1 b. That's because both sides have at least 1b.  Now, it's shortened to be 56ab2-35.


Since you cannot take away anymore variables, you have to deal with 56 and 35. I start small with dividing each by 2. I am trying to see what the greatest number could be while making the numbers still be whole. That turns 56 into 28 when it's cut in half. The 35 now turns into 17.5.


I would assume your teacher would want the numbers to be whole. seeing as though when 35 is cut in half and makes a decimal number, I would leave them. What I mean by that is to leave the numbers as 56 and 35.


So, that means the answer is 56ab2-35.


I hope this helps!! (And makes sense)

5 0
4 years ago
I need help pls<br><br>7a/9bc ÷ 21a/12b​
atroni [7]
  • Refer to the attachment please :-)

3 0
2 years ago
Read 2 more answers
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