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Sergio [31]
3 years ago
8

if a population doubles every 5 years how many years would it take for the population to increase by 10 times original amount?

Mathematics
1 answer:
Alecsey [184]3 years ago
7 0
25 years is the answer
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-1 over 5 divided by 7 over 4
Papessa [141]

Answer:-0.00714

Step-by-step explanation: STEP

1

:

1

Simplify —

5

Equation at the end of step

1

:

1

0 - — ÷ 7 ÷ 4

5

STEP

2

:

1

Divide — by 7

5

Equation at the end of step

2

:

1

0 - —— ÷ 4

35

STEP

3

:

1

Divide —— by 4

35

Equation at the end of step

3

:

1

0 - ———

140

STEP

4

:

Final result :

-1

——— = -0.00714

140

5 0
3 years ago
4.Rebecca biked 4.5 miles today and 3.2 miles
Fudgin [204]

Answer:

10-(4.5+3.2)

= 10-7.7

=2.3 miles

6 0
3 years ago
A coffee machine can be adjusted to deliver any fixed number of ounces of coffee. if the machine has a standard deviation in del
zysi [14]
The mean will be calculates as follows; from the formula of z-score we shall have:
z=(x-μ)/σ
the z-score associated with 0.5% is 0
thus
0=
(8-μ)/0.4=0
solving for x we get:
μ=9 

Answer: μ=9

6 0
3 years ago
What does x equal???????? please help
Sholpan [36]
<h3>Answer: x = 61</h3>

=============================================

Explanation:

The angle x and the 29 degree angle combine to form a 90 degree angle. This is because the square maker on the left has that angle at 90 degrees, and all of the angles combine to form 180. So 180-90 = 90 is the left over amount.

Add up x and 29 to get 90

x+29 = 90

Solve for x by subtracting 29 from both sides

x+29-29 = 90-29

x+0 = 61

x = 61

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

An alternative is to solve the equation below for x

x+29+90 = 180 ... see note below

x+119 = 180

x+119-119 = 180-119 ... subtract 119 from both sides

x = 61

we get the same answer

note: this equation turns into x+29 = 90 if you subtracted 90 from both sides

7 0
3 years ago
Can someone explain how to solve this and the solution? Please and thank you :)
Verizon [17]
25 > 2x + 8 - 66

first simplify all numbers

25 > 2x + (8  - 66)
25 > 2x - 58

Then add 58 to both sides

25 (+58) > 2x - 58 (+58)
83 > 2x

Finally divide 2 from both sides to isolate the x

83/2 > 2x/2

41.5 > x

hope this helps
3 0
2 years ago
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