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Jobisdone [24]
3 years ago
9

How to find the slope and y-intercept of 2y=8?

Mathematics
1 answer:
777dan777 [17]3 years ago
4 0
The Y-intercept is -8, because when you balance the equation, you subtract the positive 8.
There is not enough information to find the slope of this graph. But Y = 4
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Help ASAP plssssssssss
mr_godi [17]

Answer:

Length of three dimensions of the cube is

<u>6</u>cm.

What is the area of the base of a cube of sides 2.5m?

<u>37.5m²</u>

5 0
3 years ago
For what value of "a" will the product shown below have a purely imaginary value? (Show work please)
MakcuM [25]
If you expand out the brackets you get this,

(4+5i)(a+2i) = 4a + (5a)i + 8i - 10

The -10 comes from 5i * 2i.
Squaring i becomes -1.

Let's group the real stuff together,
and imaginary separately,

(4a - 10) + (5a + 8)i

For this to be purely imaginary,
the real part needs to be zero.

Therefore 4a - 10 = 0

Solve for a.
5 0
3 years ago
Is the confidence interval affected by the fact that the data appear to be from a population that is not normally​ distributed?
sp2606 [1]

Answer:

D. No, because the sample size is large enough.

Step-by-step explanation:

The central limit theorem states that "if we have a population with mean μ and standard deviation σ and take sufficiently large random samples from the population with replacement, then the distribution of the sample means will be approximately normally distributed. This will hold true regardless of whether the source population is normal or skewed, provided the sample size is sufficiently large".

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

If the sample size is higher than 30, on this case the answer would be:

D. No, because the sample size is large enough.

And the reason is given by The Central Limit Theorem since states if the individual distribution is normal then the sampling distribution for the sample mean is also normal.

From the central limit theorem we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

If the sample size it's not large enough n<30, on that case the distribution would be not normal.

7 0
3 years ago
Javier worked 2.4 hours on Monday and 3.8 hours on Tuesday. His pay rate is 10.25 an hour. How much will he pay, in dollars,for
Aliun [14]
The answer would be 63.55


4 0
4 years ago
Read 2 more answers
0.007407 to 1 significant figure
OLEGan [10]

Answer:

0.007

Step-by-step explanation:

first significant figure is the first number thts not 0 in a decimal :D

4 0
3 years ago
Read 2 more answers
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