What rational number represents this equation: 3+ (-0.5)

The points in the table lie on a line. Find the slope of the line.

madam [21]

3/1 so basically 3 brainliest me pls

5 0

3 years ago

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If you have meeting tomorrow at 8:00 with zoom. drop your code

Sidana [21]

Sometimes I don't wanna be happy

Don't hold it against me

If I'm down, just leave me there

Let me be sad

Sun's up, I already wanna lay down

Friends calling, are you really tryna go out? (No)

Don't wanna get dressed up to pretend (no)

I can lie and say I'm fine

Maybe you'll stop calling then

I've got chips on my shoulder

Only getting older

So I keep to myself

Ain't tryna complain

Just don't wanna explain it

But sometimes I don't wanna be happy

Don't hold it against me

If I'm down, just leave me there

Let me be sad

Sometimes I just wanna be lonely

Don't need you to hold me

If I'm low, you don't need to care

Let me be sad

What's the matter with that? (Oh-oh-oh)

What's the matter with-

Bad days, it's okay, let me feel it (uh-huh, uh-huh)

And some days, you've got to break your heart to heal it (heal it)

I know I'm gonna feel this way again

I can lie and say I'm fine

But that wouldn't change anything

I've got chips on my shoulder

Only getting older

So I keep to myself

Ain't tryna complain

Just don't wanna explain it

But sometimes I don't wanna be happy

Don't hold it against me

If I'm down, just leave me there

Let me be sad

Sometimes I just wanna be lonely

Don't need you to hold me

If I'm low, you don't need to care

Let me be sad

What's the matter with that? (Oh-oh-oh)

What's the matter with sadness?

Making me feel the way I feel right now

Goodness

Can't force it when you feel ******** up

It's the salt that's on my tongue

But sometimes I don't wanna be happy

Don't hold it against me

If I'm down, just leave me there

Let me be sad

Sometimes, I just wanna be lonely

Don't need you to hold me

If I'm low, you don't need to care

Let me be sad

What's the matter with that? (Oh, oh, oh)

Just let me be sad

3 0

3 years ago

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Can someone pls helppp

Contact [7]

Answer:

yq

Step-by-step explanation:

8 0

3 years ago

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An IQ test is designed so that the mean is 100 and the standard deviation is 18 for the population of normal adults. Find the sa

melisa1 [442]

Answer:

At least 98 people need to be sampled. It is not a huge number, that is, it is not difficult to sample 98 people, so it is a reasonable sample size for a real world calculation.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.9}{2} = 0.05$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.05 = 0.95$ , so $z = 1.645$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

In this question:

We need a sample size of at least n.

n is found when M = 3. We have that $\sigma = 18$ .

$M = z*\frac{\sigma}{\sqrt{n}}$

$3 = 1.645*\frac{18}{\sqrt{n}}$

$3\sqrt{n} = 1.645*18$

Simplifying by 3

$\sqrt{n} = 1.645*6$

$(\sqrt{n})^{2} = (1.645*6)^{2}$

$n = 97.41$

Rounding up,

At least 98 people need to be sampled. It is not a huge number, that is, it is not difficult to sample 98 people, so it is a reasonable sample size for a real world calculation.

8 0

3 years ago

Evaluate the square root to find the rational equivalent.

Iteru [2.4K]

Answer:

JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ

Step-by-step explanation:

7 0

3 years ago

What rational number represents this equation: 3+ (-0.5) - 3 1/4