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Ronch [10]
3 years ago
6

Help on doing a test pls hurry

Mathematics
1 answer:
KiRa [710]3 years ago
4 0

Answer:

c

Step-by-step explanation:

the answer is Cb

hehrdjnendjdb

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Order these numbers from least to greatest. 5.67 , 509 , −33 , 32
Nataly_w [17]
Least is on top, Greatest is on bottom
-33
5.67
32
509
3 0
4 years ago
The equation 2x + 4k − 9 = kx − k + 1 is really a family of equations, because for each value of k, we get a different equation
Olegator [25]
You haven't shared "the given value of x," or, if you have, you haven't drawn attention to it.

Just suppose we were to choose x = 4 as a possible solution and then try to find a value of the parameter k that would make x = 4 an actual solution.

2(4) + 4k - 9 = (4)(4) - (4) + 1

Then 8 + 4k - 9 = 16 - 4 + 1, or       4k - 1 = 13.  Then 4k = 14, and k = 14/4, or (after reduction)  k = 7/2   

If the parameter k equals 7/2, then x = 4 is a solution to the given equation.

To check this out further, start with the proposed solution x = 5 and find k.
3 0
4 years ago
PLEASE HELP! THANK YOU! :)
Furkat [3]

Answer:

BiG ChUnGuS  moo

Step-by-step explanation:

6 0
3 years ago
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
The variables y and x have a proportional relationship and y=7 when x=2 what is the value of x when y=21
liubo4ka [24]

Answer:

x=6

Step-by-step explanation:

Since y=7 when x=2, we can from here simplify and see that y=3.5 when x=1. If y=21, then we multiply 7 by 3 which is 21, and since we must keep a proportion, we must multiply 2 by 3 and get 6 as the answer.


4 0
3 years ago
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