AOC and BOD are diameters of a circle, centre O. Angles BAD and CDA are 90°. Prove that triangle AND and triangle DCA are congruent
Please help me, i have a test tomorrow and i am confused ⭐️
Answers
Answer:
By using SAS which stands for Side, Angle, Side.
Step-by-step explanation:
This means that if we have two angles and side measures that are equal to the corresponding angles and side measures of the other triangle then they are congruent.
Related Questions
10% of ___ =5 ples help
Answers
Answer:
50
Step-by-step explanation:
3
A ABC and point E are shown in the diagram below. Determine a possible location of point D to make
ABC. CDE
Answers
Answer:
Step-by-step explanation:
Please help will give brainliest
Answers
Answer:
C. 120
Step-by-step explanation:
B × H
(base) × (height)
15 × 8 = 120
Answer:
120
Step-by-step explanation:
Parallelogram= length times width so
15*8=120
Kensington charges $20 per hour, h, teaching music lessons. Last year, Kensington earned $37,705, including tips, t. Given this information, which of the following equations can be used
the amount Kensington made in tips last year?
Of=37705 + 20h
O t = 37705 - 20h
Ot=37705h + 20
O = 37705h - 20
Answers
Answer:B-t=37705-20h
Step-by-step explanation:The answer is B because you need to get rid of all of the money she made working so you subtract 20 by how ever many hours she has worked
Answer:
Second option : t = 37705 - 20h
Step-by-step explanation:
I took the test
HELP I NEED HELP ASAP
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HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP
Answers
Answer:
the answer is A
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
The function f(x) = |x| is shifted to the left 3 units and down 2 units to make the function g(x) . Write the equation g(x) that illustrates this change.
Answers
Answer:
g(x) = |x+3|-2
Step-by-step explanation:
to move horizontally replace each x with (x ± c)
if you move it to the right, you need x - c
if you move it to the left , you need x + c
so , since we are moving 3 units to the left, we replace the x with x+3
g(x) = |x+3|-2
what is the quotient of 13 divided by 8
Answers
what is the result of subtracting the second equation from the first? 8x-4y=-4 -3x+4y=5
Answers
Answer:
-9+11x-8y
Step-by-step explanation:
Please help I'm so stressed over this math ok here it is It costs $12.50 to enter an amusement park and $1.50 to play each game. Solve an inequality to find the number of games, g, Cole can play if he has $35 to spend at the park. Enter your answer in the box.
Answers
Answer:
12.50 + 1.50x < 35
Step-by-step explanation:
X represents the number of games that Cole plays. The admission price plus the money he spends on games should be LESS THAN or EQUAL to 35 dollars.
One winter's day the temperatures were recorded in five different cities in New York State. The table below shows the results of this recording. What is the mean or average temperature of the five cities?
Answers
Answer:
Add them all up -11+-18+12+-8+21=-4
Then do -4/5= -.8
Can some show the steps and the answer please I really need help tell me how you get it and the answer
Answers
Answer:
10
Step-by-step explanation:
a^2+b^2=c^2
8^2+6^2=c^2
64+36=c^2
100=C^2
the square root of 100=c (the length of that side of the ladder).
the square root of 100 is 10
1 2 3 4 5 6 7 8 9 10 The variety of organisms within an ecosystem is characteristic of which type of diversity? a. Genetic diversity b. Ecosystem diversity c. Species diversity d. Regional diversity Please select the best answer from the choices provided A B C D Mark this and return
Answers
Answer:
its C (Species diversity)
Step-by-step explanation:
please help me it would help a lot
Answers
Answer:
7/80 is the answer because there are 7 possible chances she can get a red or blue gumball.
Step-by-step explanation:
Select all values of x that make the inequality −x+6≥10 true.
-3.9
4
-4.01
-4
4.01
3.9
0
-7
Answers
Rachael has a summer job working at a library. The graph below shows the relationship between the number of hours Rachael worked and the amount of money, in dollars, that Rachael earned
Rachael's Summer Job
Money Earned ($)
501
45
40
35
30
25
20
15
- 10
5
4
Number of Hours
Write an equation to represent the amount of money, m, in dollars, that Rachael earned by working h hours
Answers
Answer:
m=9h
Step-by-step explanation:
I did the test
BOTH QUESTIONS!!!! 15 POINTS ‼️‼️‼️‼️
Answers
Answer:
Y=-3x+5
Step-by-step explanation:
The first one i dont know srry
A population of 45 foxes in a wildlife preserve doubles in size every 10 years. The function y = 45 * 2 ^ x where x is the number of 10-year periods, models the population growth . How many foxes will there be after 20 years After 20 years there will be Foxes(Type a whole number.)
Answers
Answer: 180
Step-by-step explanation:
Given
The population of 45 foxes doubles in 10 year period
Population follows [tex]y=45\cdot 2^x[/tex]
After 20 years i.e. x=2 Population is given by
[tex]y=45\cdot 2^2=45\times 4\\y=180[/tex]
Thus, there will be 180 foxes after 20 years
-3x + 2 = -13 what is x?
Answers
Answer:
x = 5
Step-by-step explanation:
have a nice day
brainliest?
Tucker goes to bed at 8:25 pm every
night. He wakes up at 6:45 am. How
long does Tucker sleep each night?
Answers
Answer:
10 hours and 20 minutes.
Step-by-step explanation:
We can find out how many hours of sleep Tucker gets every night by counting in one-hour intervals.
One hour from 8:25 is 9:25.
9:25, 10:25, 11:25, 12:25, 1:25, 2:25, 3:25, 4:25, 5:25, 6:25.
This is 10 hours.
Now we count in ten-minute intervals to get to 6:45
6:35, 6:45.
This is 20 minutes.
Therefore, Tucker gets 10 hours and 20 minutes of sleep each night.
This is equivalent to 620 minutes.
===================================================
Explanation:
The user purrugh has a great answer. I'll provide a slightly different approach.
The timespan from 8:25 PM to 9:00 PM is 35 minutes. Note how adding 35 minutes to 25 past the hour gets us to 25+35 = 60 minutes, so we're at the top of the hour now, and at 9 o' clock on the dot.
Then from 9 PM to 12 midnight is a gap of 3 hours (because 12-9 = 3). From midnight to 6 AM is another 6 hours. So far we have 3+6 = 9 hours, plus the additional 35 minutes mentioned earlier. The duration so far is 9 hours, 35 minutes. We still have to account for another 45 minutes, since we want to get to 6:45 AM and not 6:00 AM.
Note how 35+45 = 80, which is over 60. This means 35 min + 45 min = 80 min = (60 min) + (20 min) = 1 hr, 20 min
That "1 hr, 20 min" is added onto the "9 hours" from earlier and we arrive at 10 hours, 20 minutes as the final answer
-----------------------------
Yet another approach is to do everything in minutes, and then convert to hours,minutes format at the very end.
Again the gap from 8:25 PM to 9:00 PM is 35 minutes. From 9 PM to midnight is 3 hours, or 3*60 = 180 minutes. We have a duration so far of 35+180 = 215 minutes.
From midnight to 6 AM is 6*60 = 360 minutes. The duration has been updated to 360+215 = 575 minutes. Finally, from 6 AM to 6:45 AM is the last gap of 45 min to get us to 575+45 = 620 minutes.
Tucker slept a total of 620 minutes. Let's convert that to hours,minutes format. Note how 620 = 600+20 and how 600/60 = 10. Meaning that 600 minutes = 10 hours. Therefore,
620 min = (600 min) + (20 min) = 10 hours, 20 minutes
How would the equation
Answers
Answer:
what
Step-by-step explanation:
what is the next term of the geometric sequence?
WILL MARK BRAINLIEST
Answers
Answer:
-12
Step-by-step explanation:
I believe they multiply each term by -3/1
4/1 * -3/1 = -12/1 = -12
PLEASE HELPPP!!!
Explain your thinking!!
don’t answer just for points or i’ll report you.
Answers
Answer:
Negative
Step-by-step explanation:
On the line, we see that a = 0.5 and b is after -1. a + b will be negative because anything after -1 added to .5 will be negative.
Example:
-1 + .5 = -.5
-2 + .5 = -1.5
-3 + .5 = -2.5
Answer: Negative
Step-by-step explanation: the b we can see is far away from -1 that means its around - 2 and if we were to add 0.5 and - 2 we would get -1.5
You're a quality control manager in a fruit juice company. You want to choose
a sample size for a quality check on the cans used to package the juice. From
a batch of 30,000 cans, you want a sample size that will allow you to closely
approximate the population parameters for the entire batch. Which sample
size will most likely produce the least variability among different samples?
Answers
Answer:
246.
Step-by-step explanation:
a) The 95% confidence level two-tail confidence interval for the mean value of the key index of this batch is between 98.22 and 99.78
b) The minimum sample size to achieve this is 246.
Step-by-step explanation:
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of .
So it is z with a pvalue of , so
Now, find the margin of error M as such
In which is the standard deviation of the population(square root of the variance) and n is the size of the sample. So in this question,
The lower end of the interval is the sample mean subtracted by M. So it is 99 - 0.78 = 98.22
The upper end of the interval is the sample mean added to M. So it is 99 + 0.78 = 99.78.
a) The 95% confidence level two-tail confidence interval for the mean value of the key index of this batch is between 98.22 and 99.78
(b) (5 points) If we want the sampling error to be no greater than 0.5, what is the minimum sample size to achieve this based on the same confidence level with part (a)
We need a sample size of n
n is found when
Then
Rounding up
The minimum sample size to achieve this is 246.
help me out thank you so much whoever does!!
Answers
Explanation: it forms a right triangle and a right triangle is 90 degrees and the other half is 45 so that means the 2nd half is 45 degrees
Answer:
b=45
Step-by-step explanation:
The two angles form a right angle. This is shown through the box drawn at the angle's vertex; this represents that it is a right angle. A right angle is equal to 90 degrees b can be found by using the other angle. Since 45 and b are complementary angles 45+b=90. This means that b must equal 45 degrees.
I need help finding the equation for solving x, can someone help me? I don't need the answer, just the equation. :)
Answers
Answer:
25?
Step-by-step explanation:
Answer:
x+139 = 132
Step-by-step explanation:
HELPP QUICK PLEASE THIS IS MY 10TH TIME POSTING THIS PLS NO LINKS NO BOTS OR JUST PUTTING ANSWERRS TO GET POINTS I REALLY NEED HELP SO PLEASEE Which of the following are point-slope equations of the line going through
(-3, 4) and (2, 1)? Check all that apply.
MORE THAN ONE ANSWER PLS
Answers
Answer:
F and B are the correct answers
The diameter of a golf ball is approximately 2 inches. What is its volume?
Round your answer to the nearest whole number.
O A. 4in3
O B. 8 in3
O c. 33 in3
O D. 18 in3
Answers
Answer:
4in^3
Step-by-step explanation:
Help please!! Seven values on the number line above are marked with letters. Match the opposites.
Answers
Answer: A
Step-by-step explanation: W is the opposite of Y, and X is the opposite of Z
Jason solved the percent problem below and got
X=133%. Did he do it correctly? Explain your reasoning.
Answers
Answer:
No is incorrect 4/27 is right
Step-by-step explanation:
for brainiest:):):):):):):):)
Answers
Answer:
1. $22.50 2. $11.70
Step-by-step explanation:
Cause 30% of 75 is 22.5 and 65% of 18 is 11.7
