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
Tanya [424]
3 years ago
6

PLEASE HELP ME!!! find the coordinates of the circumcenter of ABC. A(0,5), B(-4,5), C(-4,-3)

Mathematics
1 answer:
blondinia [14]3 years ago
6 0
If you sketch the triangle you will see it is a right triangle with B being the vertex for the right angle. the orthocenter is the intercept of the three altitudes. for a right triangle, the orthocenter is the vertex where the right angle is.so the answer for this question is (-4,5)

You might be interested in
The fracture strength of tempered glass averages 14 (measured in thousands of pounds per square inch) and has standard deviation
Wewaii [24]

Answer:

0.1587 = 15.87% probability that the average fracture strength of 100 randomly selected pieces of this glass exceeds 14.2.

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

The fracture strength of tempered glass averages 14 (measured in thousands of pounds per square inch) and has standard deviation 2.

This means that \mu = 14, \sigma = 2

Sample of 100:

This means that n = 100, s = \frac{2}{\sqrt{100}} = 0.2

What is the probability that the average fracture strength of 100 randomly selected pieces of this glass exceeds 14.2?

This is 1 subtracted by the p-value of Z when X = 14.2. So

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem

Z = \frac{X - \mu}{s}

Z = \frac{14.2 - 14}{0.2}

Z = 1

Z = 1 has a p-value of 0.8413.

1 - 0.8413 = 0.1587

0.1587 = 15.87% probability that the average fracture strength of 100 randomly selected pieces of this glass exceeds 14.2.

6 0
3 years ago
Simplify. (12)2−6(2−23) Enter your answer, as a simplified fraction, in the box.
katen-ka-za [31]

Answer: 240

Step-by-step explanation:

Distribute all numbers

24 - 6(-21)

24 - (-126)

24+216

240

8 0
3 years ago
Figure ABCD is rotated by 180 degrees about the origin in the counterclockwise direction to obtain figure A′B′C′D′:
Gemiola [76]

Answer:

Length of AB = Length of C′D′

Length of CD = Length of B′C′

Step-by-step explanation:

Not sure but I think

8 0
3 years ago
Read 2 more answers
Es There are 30 students on the debate team and 20 students on the math team. Ten students are on both the math team and
irakobra [83]
There will be 40 students!!!
5 0
3 years ago
Please answer quickly!!!
yKpoI14uk [10]

Answer:

c=20

Step-by-step explanation:

The diagonals of a rectangle always bisect each other. Therefore, we can set QT=ST:

c=4c-60,\\-3c=-60,\\c=\fbox{20}

3 0
3 years ago
Other questions:
  • there are 50 paper clips and each box Sarah bought 6 boss boxes how many total paper clips did she have
    13·2 answers
  • The equation y = 1/3 x is the boundary line for the inequality y ≤ 1/3 x Which sentence describes the graph of the inequality?
    11·1 answer
  • 4. In ABC, AB = 8,BC = 10, and AC = 7
    8·1 answer
  • The two polygons shown are similar what is the correct similarity statement​
    5·2 answers
  • I want to help on this ​
    12·2 answers
  • What is the equation for the line with a slope of -3 that passes through the
    10·1 answer
  • Nelly the narwhal can swim 12 laps in 8 minutes how many minutes per lap is that?
    13·2 answers
  • Of all the items on the pizza, enter the fraction that is mushrooms.<br><br><br><br> ---------------
    11·1 answer
  • (9,11)(9,3) find the slope and explain <br> please
    9·1 answer
  • Yesterday, Jon drank 5 cans of Mountain Dew and 5 cans of Coke and consumed
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!