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2 years ago

2x + y ≤ 2

Mathematics

1 answer:

Ganezh [65]2 years ago

4 0

The graph is attached with the answer.

<h3>What is an Inequality ?</h3>

When two algebraic expressions are equated using an inequality operator , The statement formed is called In equality.

The given Inequality is 2x + y ≤ 2

in slope intercept form can be written as

y ≤ -2x +2 , here slope is -2 and intercept is 2

As an equation it will be

y = -2x +2

x y

0 , 2

1 , 0

2 -2

The graph is plotted

The area is shaded and the test for the origin is applied , and it lies in the shaded region.

To know more about Inequality

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Can somebody help me please?

Nina [5.8K]

Answer:

it's a that's the answer

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2 years ago

Simplify. (2/5)^4... words to fill in minimum space

Stella [2.4K]

When you have a power to a fraction, you simply take it by the top and then by the bottm.

So, split it into two: (2)^4 and (5)^4

Solve: (2)^4=16
(5)^4=625

So the fraction is: 16/625

Check to see if it reduces: It doesn't. (Odd and even numbers that have no common multiples).

Therefore, that's the answer.

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3 years ago

A 99% confidence interval for the difference between two proportions was estimated at 0.11, 0.39. Based on this, we can conclude

sladkih [1.3K]

Answer:

$\hat p_1 -\hat p_2 \pm z_{\alpha/2} SE$

And for this case the confidence interval is given by:

$0.11 \leq p_1 -p_2 \leq 0.39$

Since the confidenc einterval not contains the value 0 we can conclude that we have significant difference between the two population proportion of interest 1% of significance given. So then we can't conclude that the two proportions are equal

Step-by-step explanation:

Let p1 and p2 the population proportions of interest and let $\hat p_1$ and $\hat p_2$ the estimators for the proportions we know that the confidence interval for the difference of proportions is given by this formula:

$\hat p_1 -\hat p_2 \pm z_{\alpha/2} SE$

And for this case the confidence interval is given by:

$0.11 \leq p_1 -p_2 \leq 0.39$

Since the confidence interval not contains the value 0 we can conclude that we have significant difference between the two population proportion of interest 1% of significance given. So then we can't conclude that the two proportions are equal

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3 years ago

Can someone please help me with this!?

vichka [17]

Answer:

$2(x - 5)$