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mojhsa [17]
2 years ago
6

Case Study 2

Mathematics
1 answer:
ICE Princess25 [194]2 years ago
4 0

Answer:

good for them i think

Step-by-step explanation:

this doesnt make any sense

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36 is 120% of what number
nadezda [96]
Let, the number = x
Then,x * 120% = 36
x * 1.20 = 36   [ 120% = 1.20 ]
x = 36 / 1.20
x = 30

In short, Your Answer would be 30

Hope this helps!
6 0
3 years ago
Read 2 more answers
to determine whether a number is written in scientific notation what test can you apply to the first factor and what test can yo
pashok25 [27]

Answer:


Step-by-step explanation:

The first term must have one number before decimal point

the second term (factor) must be 10 having some power.

example;

5.0 ×10³

7.002×10^41


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3 years ago
14 is 28% of what number
Juliette [100K]
14 is 28% of the number 50.
5 0
3 years ago
Kristen invests $5,745 in a bank. The bank pays 6.5% interest compounded monthly. How long must she leave the money in the bank
s344n2d4d5 [400]

formula is A=P(1-\frac{r}{n})^{nt}

where A=final amount

P=principal

r=interest rate in decimal

n=number of times per year it is compounded

t=time in years


we want to find where

A=2P

and P=5745

and r=6.5%=0.065

n=monthly=12


remember that ln(x^a)=a(ln(x))

also that (a^b)^c=a^{bc}

2(5745)=5745(1+\frac{0.065}{12})^{12t}, solving for t

divide both sides by 5745 to simplify things a bit

2=(1+\frac{0.065}{12})^{12t} I'd rather not simplify this because it give us a decimals and those aren't exact, if we combine, we get 12.065/12 for inside parenthases

2=(\frac{12.065}{12})^{12t}

take ln of both sides

ln(2)=ln((\frac{12.065}{12})^{12t})

ln(2)=(12t)ln(\frac{12.065}{12})

divide both sides by 12ln(\frac{12.065}{12})

\frac{ln(2)}{12ln(\frac{12.065}{12})}=t

using our calculator, t≈10.6927


so rounded, we get 10.7 years

3 0
3 years ago
The endpoints of a line segment are (-2, -4) and (6, 2) What are the coordinates of the midpoint? 1. (2, 3) 2. (4,3) 3. (4, -2)
marishachu [46]
It should be 4. (2,-1)
8 0
3 years ago
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