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masya89 [10]
2 years ago
9

The sum of three numbers is 123. The second number is 8 more than the first. The third number is 3 times the first. What are the

numbers ?
First number:

Second number:

Third number:
Mathematics
1 answer:
Aleksandr [31]2 years ago
5 0

Answer:

41 is my geuss

Step-by-step explanation:

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You have $5600. The best interest rate you can find is 3%
EleoNora [17]

Answer:

18 years

Step-by-step explanation:

The formula for computing accrued amount A for a principal of P at an interest rate of r(in decimal) compounded n times in a year for t years is given by

A = P(1 + \frac{r}{n})^{nt}

Note that r is percentage converted to decimal. So 3% = 3/100 = 0.03

We can rearrange the above equation to:

\frac{A}{P} = (1 + \frac{r}{n})^{nt}

Taking logs on both sides

log(\frac{A}{P}) = log(1 + \frac{r}{n})^{nt}

This gives

log(\frac{A}{P}) =nt \times log(1 + \frac{r}{n})\\So,\\nt = \frac{log(\frac{A}{P})}{ log(1 + \frac{r}{n})}

In this particular problem, n = 4, , A= 9600, P = 5600, r =0.03, so r/n = 0.03/4 = 0.0075

1 + r/n = 1+0.0075 = 1.0075

4t = log(9600/5600)/log(1.0075) = log(1.714) / log(1.0075) = 0.234 /0.00325 = 72

t = 72/4 = 18 years

4 0
2 years ago
-2(7 – n) + 4<br> What is the answer to this any body know it??????????
Leni [432]
2x-10 is the answerr
7 0
3 years ago
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Greater than or less than the base?
yarga [219]

Answer:

I think grater then?

Step-by-step explanation:

4 0
3 years ago
Let f(x) = -3x + 2 and g(x) = 2x – 5;<br> compute g(f(x))
ki77a [65]

Answer:

g(f(x)) = -6x+6.

Step-by-step explanation:

It is given that,

f(x) = -3x + 2 and g(x) = 2x – 5

We need to find g(f(x)).

Put it into g(x).

g(f(x)) = 2(-3x + 2)+2

= -6x+4+2

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Hence, the value of g(f(x)) is -6x+6.

8 0
2 years ago
Find the perimeter of a square with a side length of 10 meters
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side length of square=10

Now,

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=4×10

=40m

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3 years ago
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