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3 years ago

Wich big 3/8 2/4 wioehjkmx

Mathematics

1 answer:

makkiz [27]3 years ago

7 0

Answer:

no it's 2/4

Step-by-step explanation:

if 3/8 had 1/8 more then it would be bigger

and if you look at both at the fractions, (don't have them, sorry) you would see that 2/4 would have more shaded, so 2/4 is bigger.

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An academic advisor calculated the mean GPA for college freshmen to be 2.33, with a standard deviation of 1.06. The advisor know

AfilCa [17]

Answer:Average error will be less

Step-by-step explanation: Prediction error refers to the difference between the the actual and predicted value of an observation. Using correlation analysis or study, The level or degree of correlation or relationship between two measured variables usually determines the variation or measure of the prediction error. If there is no relationship or correlation between two measured variables, if such model is used to make prediction, the average prediction error will be very high. However, since it is stated that there exist a relationship between high school GPA and Freshman-year GPA, then making prediction based on this assertion will lessen the average prediction error.

4 0

3 years ago

alisha [4.7K]

Answer:

$d=3\sqrt{2}\ units$

Step-by-step explanation:

The complete question is

Line L contains points (3, 5) and (7, 9). Points P has coordinates (2, 10). Find the distance from P to L

step 1

Find the equation of the line L contains points (3,5) and (7,9)

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the given values

$m=\frac{9-5}{7-3}$

$m=\frac{4}{4}=1$

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=1\\point\ (3,5)$

substitute

$y-5=(1)(x-3)$

isolate the variable y

$y=x-3+5$

$y=x+2$ -----> equation A

step 2

Find the equation of the perpendicular line to the given line L that passes through the point P

Remember that

If two lines are perpendicular, then their slopes are opposite reciprocal

The slope of the given line L is $m=1$

The slope of the line perpendicular to the given line L is

$m=-1$

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=-1\\point\ (2,10)$

substitute

$y-10=-(x-2)$

isolate the variable y

$y=-x+2+10$

$y=-x+12$ ----> equation B

step 3

Find the intersection point equation A and equation B

$y=x+2$ -----> equation A

$y=-x+12$ ----> equation B

solve the system by graphing

The intersection point is (5.7)

see the attached figure

step 4

we know that

The distance from point P to the the line L is equal to the distance between the point P and point (5,7)

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have

(2,10) and (5,7)

substitute

$d=\sqrt{(7-10)^{2}+(5-2)^{2}}$

$d=\sqrt{(-3)^{2}+(3)^{2}}$

$d=\sqrt{18}\ units$

simplify

$d=3\sqrt{2}\ units$

see the attached figure to better understand the problem

6 0

4 years ago

Heathers weekly pay is directly proportional to the number of hours she works at the record store her pay is 174 for 24 hours of

Karolina [17]

Answer:

Heather pay will be 290 for 40 hours of work.

Step-by-step explanation:

Given:

Amount he gets paid weekly =174

Number of hours of work =24

we need to find the amount of pay for 40 hours of work.

Also Given:

weekly pay is directly proportional to the number of hours.

Framing in equation form we get;

Amount Of Pay ∝ Number of hours of work

Hence Amount of Pay = k × Numbers of hours of work.

where k is constant.

Substituting the values we will find the value of k

$174 = k \times 24\\\\k = \frac{174}{24} = 7.25$

Now using this we will find the amount of pay when hours of work is 40.

Amount Of Pay = $7.25\times 40 = 290$

Hence Heather pay will be 290 for 40 hours of work.

8 0

3 years ago

Solve the Inequality: -0.5x > 4

nydimaria [60]

Answer:

x < -8

Step-by-step explanation:

Step 1: Divide both sides by -0.5 and flip the inequality sign.

$\frac{-0.5x}{-0.5} > \frac{4}{-0.5}$
$x < -8$

Therefore, the answer is x < -8.

3 0

3 years ago

Write an exponential function for the following situation: Mr. Brinton is thinking of buying a new car. He is having a hard time

Sloan [31]

Answer:

the answer s hard

Step-by-step explanation:

7 0

3 years ago