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Flura [38]
2 years ago
7

How old is Sumalee if she was 16 years old thirteen years ago?

Mathematics
2 answers:
nignag [31]2 years ago
8 0

3

correct me if im wrongg!!!

nlexa [21]2 years ago
7 0

Answer:

29 years old

Step-by-step explanation:

if she was 16 thirteen years ago, she would be 29 years old now (16 + 13 = 29)

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1 year ago
Write two equelivant ratios 11 and 4​
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The answer is 8 : 22, 12:33 as they are two equelivant ratios 11 and 4

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2 years ago
What is the midpoint of the segment below?
uysha [10]
The midpoint is C, (-0.5,0.5)

Find the middle between the x and y coordinates and that is the midpoint
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Rationalize the denominator and simplify.<br><br> 5 / 4 - sqrt 3
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Step-by-step explanation:

4 0
3 years ago
tina invests in $1,200 in a account with an interest rate of 6.25%. How many years for the account to reach $11,900.
nikklg [1K]

Hello!

To find the amount of years it will take for Tina's account to reach $11,900, we need to first, write an equation, then we would solve for the amount of years it would take using logarithms.

1. Write an equation

Since this question is a compound interest problem, we would write the equation in a format like this: y = a(1 + n)^x.

In this equation, y is the final value, a is the beginning value, n is the interest rate, and x is the amount of years. Since we are given the values of y, a, and n, we can substitute those values into the equation.

11900 = 1200(1 + .0625)^x

Notice that 6.25% was converted to 0.0625. To convert percentages to a decimal, divide the percent by 100.

2. Solve for x using logarithms

11900 = 1200(1.0625)^x (divide by 1200 to both sides)

11900/1200 = 1.0625^x (take the log of both sides)

log 11900/1200 = x log 1.0625 (divide both sides by log 1.0625)

log 11900/1200 / log 1.0625 = x

x = 37.8429...

This can be rounded to about 37.84 years.

Therefore, it will take about 37.84 years for Tina's account to reach 11,900 dollars.

6 0
3 years ago
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