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lord [1]
3 years ago
12

If you walk 20 steps and run 50 steps; about what percent are you walking?

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

Answer:25 percent

Step-by-step explanation: 20 plus 50 is 80 and 20 is 1/4 of 80

1/4 is .25

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An unknown capital gets added 5% interest per year by a bank. After how many years does the capital get three times as big, cons
shepuryov [24]

Answer:

After 23 years , the capital will get three times as big

Step-by-step explanation:

Firstly, let us write the compound interest formula

P = I( 1 + r)^n

Since we are considering a capital rise of 3 times

If I, the initial value is x, the P

value later will be 3x

Interest rate is 5/100 = 0.05

so we need the value of t

This will be;

3x = x(1 + 0.05)^t

3= 1.05^t

ln 3 = t ln 1.05

t = ln 3/ln 1.05

t = 23 years

6 0
2 years ago
Each week. You make $10.00 but you spend $3.00 and save the rest. How much would you save in 8 weeks?
Marianna [84]
10*8=80
3*8=24
80-24=56
You would save $56.00 in 8 weeks
7 0
3 years ago
Read 2 more answers
How do You supposed to do this i need many method to do it.
defon
I like the substitution method. Which is when you make one equation equal only x or y and plug it into the other equation)

There is also the graphing method. If you graphed it, it might not be quite as accurate (at least on hand, on computer you would be pretty exact)

Then there is the elimination method. You multiply one of the equations by a coefficient so that you can eliminate x or y from the equation. 
4 0
3 years ago
Need help please
zlopas [31]

Answer:

B

Step-by-step explanation:

6x5=30

30x2/3=20

8 0
1 year ago
Use the distributive property to solve the following equation:<br> 2 + 4(2z + 3) = 15
enyata [817]

Answer:

8z+12

Step-by-step explanation:

6 0
3 years ago
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