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4 years ago

Which is a solution to the equation |10-5y| = 20

Mathematics

1 answer:

kotegsom [21]4 years ago

4 0

<u>Answer:</u>

The correct answer option is a) y =2.

<u>Step-by-step explanation:</u>

We are given the following equation and we are to find the solution of this equation:

$| 1 0 - 5 y | = 2 0$

Here, the expression $10-5y$ is given in a modulus, which means that its value cannot be negative.

$1 0 - 5 y = 2 0$

$-5 y = 2 0 - 1 0$

$-5 y = 1 0$

Ignoring the negative sign because of mod.

$y=\frac{10}{5}$

y = 2

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2 years ago

Read 2 more answers

The profitability, P, of a popular restaurant franchise can be modeled by the function P (t) = t4 – 10t3 + 28t2 – 24t, where t i

vekshin1

In this question, the profit of the restaurant after t months is given by a polynomial function. To find when it begins to show a profit, we find the numerical values of the function for t, and it shows a profit when $t > 0$

Profit after t months:

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0 months:

This is P(0). So

$P(0) = 0^4 - 10*0^3 + 28*0^2 - 24*0 = 0$

1 month:

This is P(1). So

$P(1) = 1^4 - 10*1^3 + 28*1^2 - 24*1 = -5$

2 months:

This is P(2). So

$P(2) = 2^4 - 10*2^3 + 28*2^2 - 24*2 = 0$

3 months:

This is P(3). So

$P(3) = 3^4 - 10*3^3 + 28*3^2 - 24*3 = -9$

4 months:

This is P(4). So

$P(4) = 4^4 - 10*4^3 + 28*4^2 - 24*4 = -32$

5 months:

This is P(5). So

$P(5) = 5^4 - 10*5^3 + 28*5^2 - 24*5 = -45$

6 months:

This is P(6). So

$P(6) = 6^4 - 10*6^3 + 28*6^2 - 24*6 = 0$

7 months:

This is `P(7). So

$P(7) = 7^4 - 10*7^3 + 28*7^2 - 24*7 = 175$

After 7 months it shows profit, so it starts showing profit on the 6th month, and thus, the correct answer is given by option D.

For another example of a function involving numeric value, you can check brainly.com/question/24231879

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Answer:

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