1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Anestetic [448]
3 years ago
15

When the angle of a join increases, it produces movement. witch type of movement is it?

Mathematics
1 answer:
atroni [7]3 years ago
5 0
In the limbs, flexion decreases the angle between the bones (bending of the joint), while extension increases the angle and straightens the joint.
You might be interested in
11. An ice-cream cone and it's dimensions are shown in the diagram.
Mashutka [201]

Answer:

i donnt know sorry

Step-by-step explanation:

3 0
2 years ago
GreenBeam Ltd. claims that its compact fluorescent bulbs average no more than 3.50 mg of mercury. A sample of 25 bulbs shows a m
Harrizon [31]

Answer:

(a) Null Hypothesis, H_0 : \mu \leq 3.50 mg  

     Alternate Hypothesis, H_A : \mu > 3.50 mg

(b) The value of z test statistics is 2.50.

(c) We conclude that the average mg of mercury in compact fluorescent bulbs is more than 3.50 mg.

(d) The p-value is 0.0062.

Step-by-step explanation:

We are given that Green Beam Ltd. claims that its compact fluorescent bulbs average no more than 3.50 mg of mercury. A sample of 25 bulbs shows a mean of 3.59 mg of mercury. Assuming a known standard deviation of 0.18 mg.

<u><em /></u>

<u><em>Let </em></u>\mu<u><em> = average mg of mercury in compact fluorescent bulbs.</em></u>

So, Null Hypothesis, H_0 : \mu \leq 3.50 mg     {means that the average mg of mercury in compact fluorescent bulbs is no more than 3.50 mg}

Alternate Hypothesis, H_A : \mu > 3.50 mg     {means that the average mg of mercury in compact fluorescent bulbs is more than 3.50 mg}

The test statistics that would be used here <u>One-sample z test</u> <u>statistics</u> as we know about the population standard deviation;

                          T.S. =  \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }  ~ N(0,1)

where, \bar X = sample mean mg of mercury = 3.59

            \sigma = population standard deviation = 0.18 mg

            n = sample of bulbs = 25

So, <em><u>test statistics</u></em>  =  \frac{3.59-3.50}{\frac{0.18}{\sqrt{25} } }

                               =  2.50

The value of z test statistics is 2.50.

<u>Now, P-value of the test statistics is given by;</u>

         P-value = P(Z > 2.50) = 1 - P(Z \leq 2.50)

                                             = 1 - 0.9938 = 0.0062

<em />

<em>Now, at 0.01 significance level the z table gives critical value of 2.3263 for right-tailed test. Since our test statistics is more than the critical values of z, so we have sufficient evidence to reject our null hypothesis as it will fall in the rejection region due to which </em><em><u>we reject our null hypothesis</u></em><em>.</em>

Therefore, we conclude that the average mg of mercury in compact fluorescent bulbs is more than 3.50 mg.

6 0
3 years ago
Rudolph and the other reindeer are pulling Santa's sleigh that has a mass 1
finlep [7]

Answer:

it is 4.2 n

Step-by-step explanation:

because you have to divide 525/125=4.2

7 0
3 years ago
A skydiver jumped out of a plane descended 0.8 miles in 2.5 minutes. What is the skydiver average change of altitude per minute?
Illusion [34]

.3

Because .8 divided by 2.5 equals .3

8 0
3 years ago
Read 2 more answers
Can you help me please?
skad [1K]

Answer:

U= 53-degrees because of the definition of a straight angle

V=74-degrees

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • Find the length of an apothem of a square if the perimeter is 40.
    11·1 answer
  • A number x increased by 8 is greater than 26
    5·1 answer
  • Jamal is painting his room. He determines that a 1/2 gallon container of paint will cover 1/6 of a wall. How many gallons of pai
    13·2 answers
  • For what value of a is (a,9) a solution for the equation y=2x+1?
    8·1 answer
  • The measures 4, 5, and 7 create a right triangle. True False
    7·1 answer
  • Wich graph best represents a function with range -4 &lt; y &lt; 3
    9·1 answer
  • Which of the following statements are true?
    15·1 answer
  • Simplify 0, -6 please :(
    7·2 answers
  • You are the manager of a firm that sells its product in a competitive market at a price of $48. Your firm's cost function is C =
    9·1 answer
  • Evaluate the function.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!