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2 years ago

What is the answer to this questions it is worth 20 points

Mathematics

1 answer:

irinina [24]2 years ago

3 0

<h2><u>Answer</u> : </h2>

By observing the table we can conclude that for the number of years to travel back double the electricity is required .

i.e. for 5 years = 10 megawatts

therefore, the relationship between x and y can be depicted by the following equation :

$\boxed{ \boxed{y = 2x}}$

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Write the following quadratic in standard form. Then identify a, b, and c.<br> y² - 7y + 6 = -6

Charra [1.4K]

Answer:

Therefore,

$y^{2}-7y+12=0$ ....Standard form.

$a=1\\b=-7\\c=12$ ......Numerical Coefficients.

Step-by-step explanation:

Given:

$y^{2}-7y+6=-6$

To Find:

a ,b , c

Solution:

Quadratic:

A quadratic equation is an equation of the second degree.

Meaning it contains at least one term that is squared.

The standard form is ax² + bx + c = 0 with a, b, and c being constants, or numerical coefficients, and x is an unknown variable.

Here it is given as

$y^{2}-7y+6=-6$

Adding 6 on both the side we get

$y^{2}-7y+6+6=-6+6$

$y^{2}-7y+12=0$

Which is Quadratic Equation in STANDARD form Where,

$a=1\\b=-7\\c=12$

Therefore,

$y^{2}-7y+12=0$ ....Standard form.

$a=1\\b=-7\\c=12$ ......Numerical Coefficients.

7 0

2 years ago

Can somebody answer this for me?

Sphinxa [80]

XZY.................

8 0

2 years ago

Which statements are true of the quadrilateral she constructed? Select three options.

Ronch [10]

Answer:

Heyy, Edge user here!

Step-by-step explanation:

Your answers are most definitely the third and fifth one. I don't know if there are more answers, cause if there are, please show them. I'd say your last answer is second one, but I am not totally sure. Again, please tell if there are more answers!

<u>Please mark brainliest! PLEASE! :)</u>

6 0

3 years ago

A researcher reports a 98% confidence interval for the proportion of Drosophila in a population with mutation Adh-F to be [0.34,

Fantom [35]

Answer:

$0.34 \leq p \leq 0.38$

For this case we can conclude that with 98% of confidence the true proportion of Drosophila in a population would be between 0.34 and 0.38.

But that doesn't means that we have 98% of PROBABILITY that the true proportion would be between 0.34 and 0.38, because we are constructing a confidence interval with sample data and we can't analyze this using probability.

Then the best answer is:

2. False

Step-by-step explanation:

For this case we have a confidence interval for the proportion of Drosophila in a population with mutation Adh-F to be given by:

$0.34 \leq p \leq 0.38$

For this case we can conclude that with 98% of confidence the true proportion of Drosophila in a population would be between 0.34 and 0.38.

Then the best answer is:

2. False

3 0

3 years ago

Simplify expression (5xy^-6/x^4 y^-2)^2

ipn [44]

Here it is...........................

4 0

2 years ago