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Vlad [161]
3 years ago
15

The height of a 12-year-old boy increased by 17% last year and by 12% this year. What is the total increase in percentage terms?

Mathematics
1 answer:
murzikaleks [220]3 years ago
6 0

Answer:

1. 12(1.17h) = 1.3104h Which is a 31.04% increase

Step-by-step explanation:


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How do I get the answer y= 2x^2+9x-5
guapka [62]

Answer:

Quadratic Formula

so

x = -5

and

x = 0.5

Step-by-step explanation:

Whenever you see a problem in this form, which you will see a lot of, you can try to factor it or use the "least squares" method or what have you, but those won't always work, unfortunately.

Fortunately, the quadratic formula will never fail you with quadratic expressions.

This is the Quadratic Formula

x = \frac{-b \frac{+}{-} \sqrt{b^2-4ac}  }{2a}

a is the the number on the variable with the exponent ^2

b is the number on the variable with no exponent

c is the third number

a and b cannot be equal to 0; c can be

Since we're looking for a number with an equation that has a square root in it, we're going to get two answers. These two answers come from the radical being separately added AND subtracted from the radical. It's basically two problems.

Plugging  in our numbers to this equation gives us x values of -5 and 0.5. This will always work with polynomials with factors of ^2 in them.

If you have a TI-84 calculator or newer, there's a tool on it that will factor polynomials like this one for you just by giving it the numbers.

7 0
3 years ago
Write a question that represents the following equation. 5 · n = 35. plssss help hurry
snow_lady [41]

Answer:

what is the value of {n}to get product 35?

Step-by-step explanation:

(n is seven by the way!!)

6 0
3 years ago
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What is the answer to f/3 < -2
Hitman42 [59]

Answer:

1 i think

Step-by-step explanation:

hope this helps :) have a nice day :) :)

4 0
3 years ago
If four pounds of a certain candy cost $10 how many pounds of that candy can be purchased for $12
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3 0
3 years ago
A bag contains 7 blue, 4 yellow, 4 green, and 5 red marbles. Find the probability of choosing a green marble without looking. Ma
Naddik [55]

Answer:

1/4

Step-by-step explanation:

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probability of green marble=?

green marbles are 5 so,

       Probability=number of favourable outcomes / number of all possible outcomes

   total outcomes=20

green ball chances=5

       =5/20

          =1/4

3 0
3 years ago
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