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SashulF [63]
2 years ago
6

Help

Mathematics
1 answer:
beks73 [17]2 years ago
4 0

Answer:

y = 8.50x - 6.00

Step-by-step explanation:

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Nadia will be x years old y years from now. How old was she z years ago?
Vsevolod [243]
A years old. Na but are you needing an equation ?
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3 years ago
How do you solve this btw it’s gr11 applied
Georgia [21]

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Step-by-step explanation: 62

3 0
3 years ago
Jack ran 13.5 miles in 1.5 hours. What was his speed in miles per minute?
Minchanka [31]

Answer:

9

Step-by-step explanation:

13.5 / 1.5 = 9

8 0
2 years ago
Read 2 more answers
In 1950 the number of retirees was approximately 150 per thousand people aged 20-64. In 1990 this number rose to approximately 2
serg [7]

Answer: 233 people per thousand

Step-by-step explanation:

Using extrapolation method,

if 150/k in 1950,

  200/k in 1990,

  275/k in 2020,

2003 lies in between 1990 and 2020. So, you extrapolate the values of 200/k and 275/k for the years respectively.

Therefore,  

(2003 - 1990)/(2020 - 2003) = (x - 200)/(275 - x)

Where x is the number of retirees per thousand for 2003

Making x the subject of relation in the above equation.

Cross multiply the equation above;

(2003 - 1990)(275-x) = (2020 - 2003)(x - 200)

13(275 - x) = 17(x-200)

3575 - 13x = 17x - 3400

Collect the like terms

3575+3400 = 17x + 13x

30x = 6975

x = 6975/30

x = 232.5

x = 233 people per thousand to the nearest integer

6 0
3 years ago
What is the square route of five
CaHeK987 [17]

<u><em>Answer: =2.23</em></u>

Step-by-step explanation:

Square root like this: √

5=2.23

You can also round up to the nearest hundredths and it's going to be stay. If the digit is 5 or more it's going to round up to the nearest tenths, hundredths, and thousandths.

Hope this helps!

Thank you!

Have a great day!


6 0
3 years ago
Read 2 more answers
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