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sveticcg [70]
2 years ago
11

Find the measure of RST.

Mathematics
2 answers:
almond37 [142]2 years ago
8 0

Answer:

30°

Step-by-step explanation:

pochemuha2 years ago
3 0

Answer: okay me learning this right now so okay

Step-by-step explanation: I worked on the same problem and got it right last time!

Given the major arc and the minor arc share the same chord, the angle RST will be:

∠RST=1/2∠RHT

∠RHT=1/3π=1/3×180=60

hence

∠RST=1/2×60=30°

Answer: 30°

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Calculate the difference scores for the following data from a repeated measures study. Conduct a repeated measures t-test at apl
Delicious77 [7]

Answer:

There is no difference as per statistical evidence.

Step-by-step explanation:

We calculate t statistic from the formula

t =difference in means/Std error of difference

Here n1 = n2

t = (x bar - y bar)/sq rt of s1^2+s2^2

Let treatment I =X = 34 41 38 29

     Treatment II Y = 39 48 35 36

                     X       Y    

Mean          35.50   39.50

Variance     81.00   105.00

H0: x bar = y bar

Ha: x bar not equal to y bar

(Two tailed test at 0.05 significant level)

N1 = 4 and N2 = 4

df=N1+N2-2 = 6

s1^2 = 81/3 =27 and s2^2 = 105/3 = 35

Std error for difference =

t = -1.02

p =0.348834

p>0.05

Since p value >alpha we accept null hypothesis.

Hence there is statistical evidence to show that there is no difference in the mean level of scores.  

6 0
2 years ago
PLEASE HELP ASAP! Will give BRAINLIEST! Please answer correctly!<br> No guessing!
jeka94

Answer:

A) 9

Step-by-step explanation:

f(2) is basically asking what the y-coordinate is at x = 2

If you trace x = 2, you see it intersects f(x) at (2, 9).

4 0
3 years ago
A dealership has 5 red cars out of 20 cars. Based on his ratio, predict how many red cars the dealership would have if they had
insens350 [35]
5 out of 20 cars are red

Therefore 1 out of 4 cars is red

1/4 of cars are red

1/4 x 100 = 25 red cars

6 0
3 years ago
Let f(x) = 4x – 1, h(x) = -x-1.<br><br> Find (f o h)(6)<br><br> (foh)(6) =
Ludmilka [50]

Answer:

(foh)(6) = -29

Step-by-step explanation:

(f o h)(6) is f(h(x)) when x = 6.

We have that:

f(x) = 4x - 1

h(x) = -x-1

f(h(x)) = 4(-x-1) - 1 = -4x - 4 - 1 = -4x - 5

(foh)(6) = -4(6) - 5 = -29

(foh)(6) = -29

6 0
3 years ago
Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 72.6 Mbp
Lapatulllka [165]

Answer:

a. 54.05 Mpbs.

b. 2.745... standard deviations.

c. The z-score is 2.745....

d. The carrier's highest data speed is significantly high.

Step-by-step explanation:

a. The difference between the highest measured data speed and the mean is 72.6 - 18.55 =  54.05 Mbps.

b. The amount of standard deviations of 54.05 Mbps is equal to this value divided by the standard deviations, so we yield \frac{54.05}{19.69} = 2.745... standard deviations.

c. The z-score is equal to the difference between the mean and a data point in standard deviations, so the z-score is 2.745....

d. 2.745... is not between -2 and 2, so the carrier's highest data speed is not insignificant - so it's significantly high.

8 0
3 years ago
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