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Scilla [17]
3 years ago
15

(SAT Prep) In the figure, what is the value of y? A. 20° B. 90° C. 40° D. 30°

Mathematics
2 answers:
omeli [17]3 years ago
8 0

See attachment for math work and answer.

Citrus2011 [14]3 years ago
5 0

Answer:

60 degrees

I checked in the RSM system

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The two tires on a bicycle experience wear much like car tires do; repeated contact with the road or sidewalk will wear down the
PSYCHO15rus [73]

Answer:

Each bike with both types of tire.

Half of the tires of each type will be in the front wheel and the other half in the rear wheel.

Step-by-step explanation:

To compare the wear of each type of tire in a matched-pair test, the individuals have to test each of the tires in the same conditions.

This will allow to compare the tires wear in equal conditions. If the tires are assigned randomly to the volunteers, there will be difference in the wear due to difference habits of the bikers.

The only way to implement a matched-pair test with bikes is to use one type of tire in the front wheel and the other type in the rear wheel. Half of the tires of each type will be in the front and half in the rear.

In this way, the distance traveled with each type of tire will be the same.

5 0
3 years ago
The two intervals (114.9, 115.7) and (114.6, 116.0) are confidence intervals (computed using the same sample data) for μ = true
kenny6666 [7]

Answer:

115.3 hertz

Step-by-step explanation:

For either interval, the value of the sample mean is given by the average of the lower and upper bound of the confidence interval. Since both intervals were constructed by using the same sample, both values should be equal.

For the first interval:

M=\frac{114.9 + 115.7}{2} \\M=115.3\ hertz

For the second interval:

M=\frac{114.6 + 116.0}{2} \\M=115.3\ hertz

4 0
3 years ago
I NEED HELP PLEASE 15 POINTS
ra1l [238]

Answer:

20°

Step-by-step explanation:

∡EFJ = 70°

∡JFK = 90°

So, ∡KFG = 180 - ∡JFK - ∡EFJ = 180 - 90 - 70 = 20°

8 0
2 years ago
Which of the following lines has a slope of -1/3 and a y-intercept of 6? x - 3y = 6 x + 3y = 18 3y - x = 18
erastovalidia [21]
The second choice is correct, but I believe that either its +1/3 ( in the question) or -3y as that will give you the answer of: y=1/3x+6
3 0
3 years ago
Read 2 more answers
Please help me, Ill give a 5 star rating.
Anvisha [2.4K]
Yes. 
a test for a function is the vertical line test, so think about drawing a vertical line on top of this picture. if at any point the line is touching the graph more than once, it is not a function. this graph passes the vertical line test
6 0
3 years ago
Read 2 more answers
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