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Viefleur [7K]
3 years ago
15

A wise man once said, “500 reduced by 4 times my age is 256.” What is his age

Mathematics
2 answers:
RUDIKE [14]3 years ago
6 0

Answer:

His age = 61 years

Step-by-step explanation:

Let us consider  my age is x

500 - 4 x = 256

500 - 256 = 4 x

i.e 4 x = 500 - 256

    4 x = 244

∴  x = \frac{244}{4}

    x = 61

His age = 61 years

ch4aika [34]3 years ago
5 0
The answer to this question is 2.048
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Nadya [2.5K]

Answer:

22

Step-by-step explanation:

The easiest way to do this is to multiply the number you got right by 1+ the percent you got wrong. In this case it would be 1+.18. If you multiply 18 by 1.18 you get 21.24. Because you cant have part of a question you need to round up. To check you can divide 18 by 22 and you get 81.81. I hope this helps!

4 0
3 years ago
50 POINTS!!! PLEASE HELP QUICK! In the figure below, AB is a diameter of circle P.
Minchanka [31]

Answer:

43°

Step-by-step explanation:

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8 0
3 years ago
The graph shows the heights, y (in centimeters), of a plant after a certain number of weeks, x. Donna drew the line of best fit
Nezavi [6.7K]

Using the given linear function of best-fit, the most likely approximate height of the plant after 8 weeks would be of 7.4 centimeters.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

The line of best-fit goes through points (0,1) and (5,5). Point (0,1) means that the y-intercept is of b = 1. The slope is given as follows:

m = (5 - 1)/(5 - 0) = 4/5 = 0.8.

Hence the equation that gives the approximate height after x weeks is:

y = 0.8x + 1.

After 8 weeks, the expected height is:

y = 0.8 x 8 + 1 = 6.4 + 1 = 7.4 centimeters.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

4 0
2 years ago
20 is what percent of 50? A. 40% B. 10% C. 250% D. 30%
zvonat [6]
<span>A is the correct answer. To find 10% of 50, divide it by 10. This gives you 5. If 5 is 10%, then 20 is 40%, because 20 is 4 x 5 and 40 is 4 x 10. </span>
5 0
2 years ago
Read 2 more answers
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