Which of the following lines is not parallel to y = - 3x

Determine the type and number of solutions of 4x^2-5x+1=0

MA_775_DIABLO [31]

4x^2-5x=-1

$\sqrt{4x^2-5x} = \sqrt{-1}$ 4x^2-5x+1=0

4x+2.24x=1

6.24x=1

x= 0.16025641025641025641025641025641

7 0

3 years ago

First president u.s.

Reika [66]

Answer:

George Washington :)

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Point M is between points L and N on LN

Digiron [165]

Answer:

This is basically the <u>definition of midpoint</u> since M lines between L and N.

3 0

2 years ago

Read 2 more answers

Consider a normal distribution curve where the middle 85 % of the area under the curve lies above the interval ( 8 , 14 ). Use t

NeTakaya

Answer:

$\mu = 11$

$\sigma = 2.08$

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Middle 85%.

Values of X when Z has a pvalue of 0.5 - 0.85/2 = 0.075 to 0.5 + 0.85/2 = 0.925

Above the interval (8,14)

This means that when Z has a pvalue of 0.075, X = 8. So when $Z = -1.44, X = 8$ . So