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197614 Questions
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342
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+304
Functions
The graph of is shown below.
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read more ..
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DragonLord
Feb 20, 2020
0
222
1
please help!!!
Given a 5-12-13 right triangle, find the length of the angle bisector from the right angle to the hypotenuse.
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Guest
Feb 20, 2020
0
931
3
I need help really fast!!
In triangle PQR, the side lengths are PQ=9, PR=10, and QR=17. Let X be the intersection of the angle bisector of angle P with side QR, and let Y be the foot of the perpendicular from X to side PR. Compute the length of XY.
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Guest
Feb 20, 2020
Feb 19, 2020
0
313
1
physics
I REALLY NEED HELP PLZZ!!!!
How many times could light travel around the circumference of the Earth in 8.6 second? Let the circumference of the Earth be 24,000 miles.
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Guest
Feb 19, 2020
0
261
0
+296
Complex Numbers: Pre-Calc
For a complex number find the minimum value of
Thank you!
EpicWater
Feb 19, 2020
0
224
2
help
Dr. Graham currently has two acid solutions. She only has a 60% acid solution and a 20% acid solution in her lab. Dr. Graham needs 30 L of a 50% acid solution to conduct an experiment. How many liters of each solution should she mix together
CPhill
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Guest
Feb 19, 2020
0
296
0
+109
Math Question
cosθ=−3√4 , where π≤θ≤3π2 .
tanβ=34 , where 0≤β≤π2 .
What is the exact value of sin(θ+β) ?
valval2205
Feb 19, 2020
0
237
1
2 numbers that add to 25 and the quotient is 4. What are the numers??
2 numbers that add to 25 and the quotient is 4. What are the numers??
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Guest
Feb 19, 2020
0
279
1
Help
If it takes me 5 hours to fly to Michigan what is my average speed
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Guest
Feb 19, 2020
+1
432
1
+17
Find the range of the function \[m(x) = \sqrt{x + 5} + \sqrt{20 - x}.\]
Find the range of the function
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CCjump21
Feb 19, 2020
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247
0
help
A magician shuffles a standard deck of playing cards and allows an audience member to pull out a card, look at it, and replace it in the deck. Two additional people do the same. Find the probability that of the 3 cards drawn, at least 1 is a face card.
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Guest
Feb 19, 2020
0
254
2
math problem
The difference between the age of a mother and her daughter is 21years in the next 10years. The sum of the mother's age and the square root of that of the daughter's is 77years. Find their ages
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Guest
Feb 19, 2020
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176
0
Looking for amplitude, period, and frequency.
The position of a particle moving along the x-axis is determined by:
If the particle starts from rest at x=0 find x as a function of time.
Find the amplitude, period, and frequency when a very long time has passed.
Guest
Feb 19, 2020
0
164
0
please help
Can someone help with this hard probability problem?
Suppose three players go on multiple rounds of kart race. In each round, every playerhas a winning probability of 1/3, independent of other rounds. Let the note the number ofrounds
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Guest
Feb 19, 2020
0
597
2
+109
Radius of a circle
The logo for a new company is a circle divided into 24 equally sized sectors. Six of the sectors are white, and the others are different colors.
The area of one of the white sectors is 13π50 inches squared.
What is the radius
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valval2205
Feb 19, 2020
0
1363
1
+109
Radius question
Two gears are connected by a chain. The larger gear has a linear velocity of 27π10 inches per second. The angular velocity of the smaller gear is 15π2 radians per minute.
What is the radius of the smaller gear?
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valval2205
Feb 19, 2020
0
271
1
+109
Radian Measure
A central angle of a circle whose radius is 8 centimeters subtends an arc whose length is 2π9centimeters.
What is the radian measure of the central angle?
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valval2205
Feb 19, 2020
0
777
1
+109
Area Question
In △WXY , WX=11.2 inches, WY=6.9 inches, and m∠W=43∘ .
What is the area of △WXY ?
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valval2205
Feb 19, 2020
0
861
1
Math Problem
A point on a wheel moves at 27π5 radians per minute.
How many seconds are required for the point to complete 12 revolutions?
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Guest
Feb 19, 2020
0
755
1
+109
Math World Problem
Faith stands in her backyard and watches her children play. Nadia is 60 feet away in the sandbox.
Faith turns 130° and views Jolene on the swing set. Jolene is 115 feet away.
How far apart are Nadia and Jolene?
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valval2205
Feb 19, 2020
0
360
1
In how many ways can you arrange the numbers
In how many ways can you arrange the numbers
6, 7, 8, and 9 to make a four-digit number?
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Guest
Feb 19, 2020
0
197
0
please help!!!
This unit we have studied transformations of the following functions.
f(x) = a |x-h| + k
f(x) = a √(x-h) + k
f(x) = a (x – h)2 + k
read more ..
Guest
Feb 19, 2020
0
703
1
please help
Erik took a trip to see his friend Mike who lives 308 miles away. He left his place at 10 AM driving at 70 mph. In 2 hours, his friend Mike left his place driving towards Erik at an average speed of 50 mph. At what time will they meet?
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Guest
Feb 19, 2020
0
146
0
Area de un triangulow
como puedo hallar el area de un triangulo donde a=2cm , c=2cm y B=80°
Por favor ayundeme con este ejercicio
Guest
Feb 19, 2020
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