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timurjin [86]
3 years ago
7

Suppose that an object is dropped from a height of

Mathematics
1 answer:
Kamila [148]3 years ago
8 0
Make hours to seconds to match meters
19.6*3600=70560 seconds
And is dropped from a height of 15.4 meters then the velocity will be
15.4m/70560s = 0.0002182539m/s
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Solve the following equations if x=4.
Anastaziya [24]

Answer:

Without a [roblem to go along with x=4, this would be underfined

Step-by-step explanation:

4 0
2 years ago
If x has a mean of 17.2 g and a standard division of 14.0 g and y has a mean of 23.5 g and a standard division of 16.4 g and the
dimulka [17.4K]

The least squares regression line is y=0.6831x+11.25

Step-by-step explanation:

LSRL is the the Least Squares Regression Line.The formula for regression line is y=mx+b where m is the slope of the line and b is the y-intercept value of the line.

First find the slope, m of the line from the means and standard deviations given

x has a mean of 17.2 g and a standard deviation of 14.0 g

y has a mean of 23.5 g and a standard deviation of 16.4 g

The correlation coefficient in both cases is 0.83, hence the slope m is given by;

m=r(Sy/Sx) where m is the slope of the line, Sy is standard deviation of y values, Sx  is standard deviation of x values and r is the correction coefficient.

m= 0.5 * 23.5/17.2 =0.6831

Find the value of b, the y-intercept

b=Y-mX where X and Y are the mean values for x and y respectively

b=23.5-0.6831*17.2

b=23.5-11.75=11.25

The LSRL is y=0.6831x+11.25

Learn More

Least Squares regression Line : brainly.com/question/4090838

Keyword : standard deviation, least square regression line

#LearnwithBrainly

3 0
3 years ago
Write a posite or negative number :depositing $85 in a bank account
DedPeter [7]
I do not understand but if you deposit 85 dollars in a bank account it will most likely be positive unless you owe the bank money.


Hope I helped


Brainliest if satisfied
5 0
3 years ago
(05.02 MC)
Elanso [62]

His work should have looked like this.

2x + y = 5
x − 2y = 10

y = 5 − 2x
x − 2(5 − 2x) = 10
x − 10 + 4x = 10
5x − 10 = 10                  When he added in both sides, he subtracted 10 from 10,
5x = 20                      instead of adding 10 from 10 to make 20.
x = 4
2(4) + y = 5
8 + y = 5

y = -3

4 0
2 years ago
Fiona rolls a fair dice 192 times.<br> How many times would Fiona expect to roll a three?
kap26 [50]

Answer:

32

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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