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Post New Question
All Questions
+0
230564 Questions
0
1376
2
help ASAP
What is the exact value of the expression?
tan(π/6)+sin(5π/3)⋅cos(−3π/4)
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Guest
Mar 10, 2020
0
363
1
SOS
What coordinates on the unit circle are associated with the angle measure?
-3π/4
23π/3
read more ..
off-topic
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Guest
Mar 10, 2020
0
446
1
Help asap!!
What is the sign of the trigonometric function, given the quadrant the terminal ray of an angle lies in?
Choose all correct statements.
The cosecant function is positive in quadrant I .
The cosine function is negative in quadrant
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Guest
Mar 10, 2020
0
354
0
please help
Suppose that 3 out of every 10 homeowners in the state of California has invested in earthquake insurance. Suppose 20 homeowners are randomly chosen to be interviewed.
(a) What is the probability that at least one had earthquake insurance? (Round your
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off-topic
Guest
Mar 10, 2020
0
623
1
How do I solve this?
Norwood is 5 miles due north of the airport, and Morristown is 7 miles due east of the airport. How far apart are Norwood and Morristown? If necessary, round to the nearest tenth.
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Guest
Mar 10, 2020
-1
544
0
+318
Pre Calc
Find all zeros of the polynomial function given below.
P(x)=2x^5-15x^4+29x^3-25x^2+27x-10
mharrigan920
Mar 10, 2020
0
529
1
please help
On a float trip, Kim traveled 48 miles downstream in the same amount of time that it would take her to row 30miles upstream. If her speed in still water is 13 mph, find the speed of the current.
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Guest
Mar 10, 2020
0
376
1
Help!
A reflection R across the line x = a maps (2,4) --> (7,4). Write and solve an equation for a.
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Guest
Mar 10, 2020
-1
1588
1
+318
Pre Calc
a company is planning to manufacture mountain bikes. The fixed monthly cost will be
$ 200,000 and it will cost $300 to produce each bicycle.
A. Write the cost function, C of producing X mountain bikes per month
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mharrigan920
Mar 10, 2020
-1
580
0
+318
Pre Calc
Use the intermediate value theorem to show that the polynomial P(x) has a real zero in the interval [2,3]. Approximate this zero to two decimal places
P(x)=2x^4-4x^3-9
mharrigan920
Mar 10, 2020
-1
522
0
+318
Pre Calc
Let r varies inversely as u, and r=8 when u=11. Find r if u=1/4
If u=1/4 then r =_____
mharrigan920
Mar 10, 2020
0
645
1
help!
A slot machine has 3 slots. For each slot, the possible outcomes are an apple, orange, lemon, banana, melon, and a joker. When the player puts a coin in the machine, a wheel spins in each of the three slots and stops randomly on one of the possible outcomes.
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Guest
Mar 10, 2020
0
501
0
please help
A bag contains 43 U.S. quarters and seven Canadian quarters. (The coins are identical in size.) If six quarters are randomly picked from the bag, what is the probability of getting at least one Canadian quarter
Guest
Mar 10, 2020
0
646
1
+509
question
In a random sample of 44 downloadable books from a website, the mean cost is $8.58 with a standard deviation of $2.09.
Which interval is the 95% confidence interval for the mean cost of all the downloadable books on the website?
($7.96,
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kikidylm
Mar 10, 2020
-1
438
0
+318
Pre Calc
Use synthetic division and the remainder theorem to find each function value.
f(x)=x^3+8x^2+15
read more ..
mharrigan920
Mar 10, 2020
-1
1376
2
+318
Please help
A football player punts a football at an inclination of 45 degrees to the horizontal at an initial velocity of
70 feet per second. The height of the football in feet is given by the quadratic function
h(x)= -32x^2/
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mharrigan920
Mar 10, 2020
0
678
2
help
Mega Movies hosted a film premiere on Friday night. They charged $8 for adults and $6 for children. One hundred seventy-four adults and children attended, and $1,342 was made in ticket sales. How many children and how many adults went to the film premiere?
read more ..
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Guest
Mar 10, 2020
0
490
1
help me!!
Suppose that hot dogs come in packs of 6 and buns come in packs of 10. Rafael bought the same number of hot dogs as buns. It was the least number of each for which this was possible.
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Guest
Mar 10, 2020
0
370
6
Confusing Problem
Hi, I don't know how to solve this problem. Could someone help me?
How many -digit numbers are there, such that the sum of the digits is divisible by ?
read more ..
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Guest
Mar 10, 2020
0
319
1
Confusing Problem
Hi, I don't know where to start for this problem, or how to solve it, could someone please help?
How many -digit numbers are there, such that the sum of the digits is divisible by ?
<
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Guest
Mar 10, 2020
0
514
2
lilly
How is 4.209 written using words?
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Guest
Mar 10, 2020
+1
861
1
+87
HELP!
1. The area of trapezoid is . One base is units longer than the other, and the height of the trapezoid is . Find the length of the median of trapezoid .
2. In trapezoid and . Find , in
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Divineology
Mar 10, 2020
0
543
1
lilly
Hayden had 2 1/2 gallons of water in his watering can. The seed packet said to use 1/4 of a gallon for peppers and 5/8 of a gallon for tomatoes. Hayden then used some of the water for lettuce. If Hayden had 3/4 gallons
read more ..
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Guest
Mar 10, 2020
0
469
1
counting and probability
List A contains the numbers [20,10,30], while list B contains the numbers [10,30,20,40,30]. We choose one number from list A randomly and one number from list B randomly. What is the chance that the number we drew from list A is larger than or equal to
read more ..
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Guest
Mar 10, 2020
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