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
Sladkaya [172]
3 years ago
14

△EFG≅△JKL . What is m∠K ?

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
4 0
Im thinking it would be the midpoint
You might be interested in
A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it needs to be replaced. From past
Minchanka [31]
<h2><u>Answer with explanation</u>:</h2>

Let \mu be the distance traveled by deluxe tire .

As per given , we have

Null hypothesis : H_0 : \mu \geq50000

Alternative hypothesis : H_a : \mu

Since H_a is left-tailed and population standard deviation is known, thus we should perform left-tailed z-test.

Test statistic : z=\dfrac{\overlien{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

where, n= sample size

\overline{x}= sample mean

\mu= Population mean

s=sample standard deviation

For n= 31,\ \sigma=8000,\ \overline{x}=46,800\ \&\ s=46,800, we have

z=\dfrac{46800-50000}{\dfrac{8000}{\sqrt{31}}}=-2.23

By using z-value table,

P-value for left tailed test : P(z≤-2.23)=1-P(z<2.23)   [∵P(Z≤-z)=1-P(Z≤z)]

=1-0.9871=0.0129

 Decision : Since p value (0.0129) < significance level  (0.05), so we reject the null hypothesis .

[We reject the null hypothesis when p-value is less than the significance level .]

Conclusion : We do not have enough evidence at 0.05 significance level to support the claim that t its deluxe tire averages at least 50,000 miles before it needs to be replaced.

4 0
3 years ago
A bag has 7 red marbles 8 blue marbles 5 purple marbles . Racheal draws a marble from the bag without looking
Klio2033 [76]

Answer:

Rachel most likely drew a red or blue marble.

8/20 chance of drawing a blue marble.

7/20 chance of drawing a red marble.

5/20 chance if drawing a purple marble.

3 0
2 years ago
Read 2 more answers
Factorise the following expressions 5x^2-25xy​
Natali [406]

Answer: 5x ( x - 5y )

Step-by-step explanation:

3 0
2 years ago
Y-intercept: (0,<br> y=-2x2 – 16x – 34<br> What is the y intercept?
tekilochka [14]

Answer: Solve for Y

y = -16x - 38

And then y intercept is

(0, -38)

Step-by-step explanation:

8 0
1 year ago
Read 2 more answers
Two number cubes are rolled to determine how a token moves on a game board. The sides of
Savatey [412]

Answer: The mathematical expectation of Option A is 2.25. The mathematical expectation of Option B is 2.75. Option B offers a greater likelihood of advancing to the finish line.

Step-by-step explanation: I took the test.

7 0
3 years ago
Other questions:
  • you ride your bike around the neighborhood block eight times a day after school. The distance around the neighborhood block is 3
    10·1 answer
  • What is the slope-intercept equation of the line below?
    9·1 answer
  • How do you use the 5D process?
    8·1 answer
  • Dani's estimate for the cost of tiling her bathroom floor is $50 plus $3 per square foot. She says that she can model the cost w
    15·2 answers
  • The length of the hypotenuse of a right triangle is 157 units. The length of one leg of the triangle is 132 units. Lara wrote th
    10·1 answer
  • Use the properties of exponents to rewrite the expression.<br> (3•6) ^2
    7·1 answer
  • Kylie fell asleep 34% of the way through the trip. If kylie fell asleep after they had traveled 306 miles what wasthe total leng
    11·1 answer
  • Will give crown thingy 5 stars a thanks and 10 points to whoever helps me with this!!!!!!!
    14·1 answer
  • If the graph of f(x) = |x| is shifted up 5 units, what would be the equation of the new graph?
    6·1 answer
  • (CHOOSE 1 CORRECT ANSWER, VERY IMPORTANT QUIZ!!)
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!