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
Mkey [24]
3 years ago
9

If a quadrilateral is a kite, then its diagonals are perpendicular. TRUE FALSE

Mathematics
1 answer:
Greeley [361]3 years ago
7 0
<span>If a quadrilateral is a kite, then its diagonals are perpendicular. it is true</span>
You might be interested in
A researcher claims that the mean cost of raising a child from birth to age 2 by husband­wife families in the U.S. is $13,960. A
irina1246 [14]

Answer:

Yes, there enough evidence to reject the claim.

Step-by-step explanation:

Here we need to perform a test for single mean to determine whether the  mean cost of raising a child from birth to age 2 by husband-wife families in the U.S. is $13,960.

The hypothesis is:

<em>H₀</em>: The  mean cost of raising a child from birth to age 2 by husband-wife families in the U.S. is $13,960, i.e. µ = $13,960.

<em>Hₐ</em>: The  mean cost of raising a child from birth to age 2 by husband-wife families in the U.S. is different from $13,960, i.e. µ ≠ $13,960.

The information provided is:

\ar x=13725\\\sigma=2345\\n=500\\\alpha =0.10

The test statistic is:

z=\frac{\bar x-\mu}{\sigma/\sqrt{n}}=\frac{13725-13960}{2345/\sqrt{500}}=-2.24

The test statistic value is -2.24.

Compute the <em>p</em>-value for this test statistic value at 10% level of significance as follows:

p-value=2\times P(Z

               =2\times 0.01255\\=0.0251

Use the <em>z</em>-table.

The calculated <em>p</em>-value is, 0.0251 < 0.10, therefore the null hypothesis will be rejected.

<u>Conclusion</u>:

As the null hypothesis is rejected at 10% level of significance it can be concluded that there enough evidence to reject the claim.

The  mean cost of raising a child from birth to age 2 by husband-wife families in the U.S. is different from $13,960.

5 0
3 years ago
If triangle RST and triangle XYZ are similar, which statement must be true?
Evgen [1.6K]
If triangle RST and triangle XYZ are similar, the statement that must be true is :
Angle R equals angle X

Triangle      R             S                    T
Triangle      X             Y                    Z

those three angles will be similar in this case

hope this helps
4 0
3 years ago
Read 2 more answers
This is a very good question that the brainly ppl cant delete, WHYYYYYYY?!
Arturiano [62]

Answer:

1000

Step-by-step explanation:

I search it it cam in a calculator

8 0
3 years ago
Read 2 more answers
What is the value of x? 60 and 95 are the degrees
bogdanovich [222]

Answer: The answer is 25

Step-by-step explanation:

First, You would add the two numbers together, which you get 155

Then, the degrees of a triangle is equal to 180. So you would subtract 155 from 189, and you should get 55.

Hope this helps :3

3 0
3 years ago
Read 2 more answers
carries family leaves at 7:15. they drive for 30 minutes and yhen stop for dinner what time is it when they stop for dinner?
laiz [17]

Answer:

I think it is 7:45

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
Other questions:
  • If the instructions for a problem ask you to use the smallest possible domain to completely graph two periods of y = 5 + 3 cos 2
    12·1 answer
  • Write an equation of the line in slope-intercept form.
    15·1 answer
  • Can someone answer this question please answer it correctly if it’s correct I will mark you brainliest
    5·1 answer
  • Find the value of x for which ABCD must be a parallelogram
    10·1 answer
  • Please answer this correctly
    15·2 answers
  • a dog sled race is 25 miles long. The equation 5/8=25 can be used to estimate the race length k in kilometers. Approximately how
    12·1 answer
  • !!!please help answer 1 and 2!!!!!!!!! I'll give crown and make a question for you with a lot of points!
    9·1 answer
  • (Sphere has a volume of 40 cubic meters and is reduced by a scale factor
    13·1 answer
  • Can someone help me please
    15·2 answers
  • A chemist is using 331 milliliters of a solution of acid and water. If 15.5% of the solution is acid, how many milliliters of ac
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!