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1 year ago

Name the Rays in the figure

Mathematics

1 answer:

Mariana [72]1 year ago

4 0

The rays in the picture are:

A ray is a line segment with arrow head. The arrow head helps in pointing to the direction of the ray. The arrow head may appear at the both ends of a ray signify that the ray continues in both direction.

Often times in the field of science, rays are used to signify direction, while the length of the line segment signify magnitude.

Bearing in mind that ray can be in one direction or two directions, we now look at the picture to point out the rays to be:

Read more on rays here: brainly.com/question/23536244

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Find BD. help me pls

Anna [14]

Answer:

Step-by-step explanation:

We can see that Ar is the perpendicular bisector of chord BD. Since A is the center of the circle, AR is the radius of the circle, which is 10 (6+4)

Next, we can see that when we connect point A to point D, it is also a radius. Thus, AD is also equal to 10 as the radius of the circle remains the same.

Using Pythagoras theorem, a^2 + b^2 = c^2, we can make a right angled triangle of ACD.

AC = 6 = a

CD = ? = b

AD = 10 = c

10^2 = 6^2 + b^2

b^2 = 10^2 - 6^2 = 64

b = CD = 8

Now, since Ar is the perpendicular bisector of chord BD, BD = CD x 2

BD = 8 x 2 = 16

5 0

1 year ago

Use the given information to find the p-value. also use a0.05 significance level and state the conclusion about the null hypothe

omeli [17]

Answer:

(a) C: 0.0465 ; reject the null hypothesis

(b) B: 0.3409 ; fail to reject the null hypothesis

Step-by-step explanation:

Firstly, the decision rule based on P-value to reject the null hypothesis or fail to reject the null hypothesis is given by;

If the P-value of test statistics is less than the level of significance, then we have sufficient evidence to reject our null hypothesis.

If the P-value of test statistics is more than the level of significance, then we have insufficient evidence to reject our null hypothesis due to which we fail to reject our null hypothesis.

(a) Now, we are given alternate hypothesis, $H_1$ : p < 3/5

Also, z test statistics is -1.68. Since this is a left tailed test, so P-value is given by;

P-value = P(Z < -1.68) = 1 - P(Z $\leq$ 1.68)

= 1 - 0.95352 = 0.0465

Since, the P-value of test statistics is less than the level of significance as 0.0465 < 0.05, so we have sufficient evidence to reject our null hypothesis due to which we reject the null hypothesis.

(b) Now, we are given alternate hypothesis, $H_1$ : p > 0.383

Also, z test statistics is 0.41. Since this is a right tailed test, so P-value is given by;

P-value = P(Z > 0.41) = 1 - P(Z $\leq$ 0.41)

= 1 - 0.6591 = 0.3409

Since, the P-value of test statistics is more than the level of significance as 0.3409 > 0.05, so we have insufficient evidence to reject our null hypothesis due to which we fail to reject the null hypothesis.

5 0

2 years ago

Find the slope of the line that contains the points. (4,54) and (9,24)

Naya [18.7K]

the Slope would be (m) =-6

8 0

3 years ago

Read 2 more answers

50 POINTS! PLEASE HELP! Which graph represents the solution set of the system of inequalities?

Alja [10]

Step-by-step explanation:

the second one as the -2x-3 is only on the second one