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ruslelena [56]
3 years ago
6

I usually dont ask for help in math, but this has me stumped. pls help!

Mathematics
1 answer:
USPshnik [31]3 years ago
7 0

Use photomath it's an app used for mathematic problems but not word problems

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Using the rule of 72, how long will it take for the principal to double with an annual compound interest rate of 6%?
I am Lyosha [343]

Answer:

C. 12

Step-by-step explanation:

With the rule of 72, you would divide 72 by the periodic interest rate to get the number of years for the principal to double

72 ÷ 6 = 12

7 0
3 years ago
Write one number as a fraction of another and please explain.
nadezda [96]
48 develop a fault out of the total built which is 2400 therefore
48/2400
If needs to be simplified then 1/50
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2 years ago
The seventh grade wants to break last year’s record of 78 coats collected for the annual clothing drive. They have already colle
Dimas [21]

Answer:

c + 13c ≥ 78c

78c - 13c =

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8 0
2 years ago
A car is moving 70 miles per hour. how far does it travel in 16 seconds
Serjik [45]

Answer:

0.311 miles

Step-by-step explanation:

Convert 16 seconds to hours :

16 /60×60

= 16÷3600

= .004444hrs

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= 70 × 0.00444444

= 0.311 miles

4 0
3 years ago
Read 2 more answers
A pair of equations is shown below:
Oksi-84 [34.3K]
If you graph y=7x-9 and y=3x-1 the two lines will intersect at one point.  That is how you graphically "solve" the system of equations.

Both of these lines are of the form y=mx+b where m is the slope and b is the y-intercept.

So for y=7x-9, the slope is 7 and the y-intercept is -9

For  y=3x-1, the slope is 3 and the y-intercept is -1

....

The solution for this system occurs when both coordinates are equal to each other so we can say:

7x-9=3x-1  subtract 3x from both sides

4x-9=-1  add 9 to both sides

4x=8  divide both sides by 4

x=2, making y=3x-1 become:

y=3(2)-1=6-1=5, so the solution to the system of equations is:

(2,5)
7 0
3 years ago
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