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zhenek [66]
1 year ago
5

Consider the following figureselect all the statements that are true .

Mathematics
1 answer:
kaheart [24]1 year ago
8 0

C lies on AB

True

BA is a ray on plane P

A ray passes through the plane. In this case, the line is on the plane, not passing through. So it is not a ray.

AB + BC = AC

True.

X, Y and Z are colinear

Colinear points are part of the same line. In this question, there is no line passing through these points, so they are not colinear.

W, A and Y are coplanar:

Coplanar points are on the same plane. In this item, points A and Y are on the same plane. However, point W is not, so they are not coplanar.

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In ΔABC, the measure of ∠C=90°, the measure of ∠B=15°, and BC = 2.8 feet. Find the length of CA to the nearest tenth of a foot.
8090 [49]

Answer:0.8 feet

Step-by-step explanation:got it right

7 0
3 years ago
Suppose h(t)=-0.2t squared +2t models the height in feet of ball that is kicked into the air where t is given as time in seconds
xz_007 [3.2K]
To get the maximum height, we first determine the time at which this maximum height is attained by differentiating the given equation and equating the differential to zero. 
                                 h(t) = -0.2t² + 2t
Differentiating,
                               dh(t) = -(0.2)(2)t + 2 = 0
The value of t is equal to 5. Substituting this time to the original equation,
                                   h(t) = -0.2(5²) + 2(5) = 5 ft
Thus, the maximum height is 5 ft and since it will take 5 seconds for it to reach the maximum height, the total time for it to reach the ground is 10 seconds. 

Answers: maximum height = 5 ft 
                  time it will reach the ground = 10 s
4 0
3 years ago
Read 2 more answers
Please very soon I offer the crown !!! + 10 points urgently !!!
Nesterboy [21]

Step-by-step explanation        :

no

                se  e es                                             n

6 0
3 years ago
Read 2 more answers
An arc is 6.5 cm long and it subtends a central angle of 45 degrees. Find the radius of the circle.
Orlov [11]
Arc length = radius * central angle (measured in radians)
There are <span> <span> <span> 57.2957795131 </span> </span> </span> degrees per radian so
45 degrees = (45 / <span> <span> <span> 57.2957795131) = </span></span></span> <span> <span> <span> 0.7853981634 </span> </span> </span> radians<span><span> </span> </span>
radius = arc length / central angle (radians)
radius = 6.5 / <span> <span> 0.7853981634 </span> </span> radians = <span> <span> <span> 8.2760570408 </span> </span> </span> cm

http://www.1728.org/radians.htm

8 0
3 years ago
Which point lies on the line
Oksi-84 [34.3K]
Y + 8 = 4(x - 5)

distribute the 4 to both x and -5

4(x) = 4x
4(-5) = -20

y + 8 = 4x - 20

isolate the y, subtract 8 from both sides

y + 8 (-8) = 4x - 20 (-8)

y = 4x - 28

plug in the x given, if the y matches the answer given, it is the correct answer.

-8 = 4(5) - 28

-8 = 20 - 28

-8 = -8 (True)

D) (5,-8) should be your answer

hope this helps
7 0
3 years ago
Read 2 more answers
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