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Post New Question
All Questions
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237641 Questions
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429
1
Please help
tan2-1/sec2x = tanx-cotx/tanx+cotx
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Guest
Feb 9, 2021
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358
3
angles
There are 2 temples, one on each bank of the river, just opposite to each other. One of the temples A is \(40 \text{ m}\) high. As observed from the top of this temple A, the angle of depression of the top and the foot of the other temple B are \(12^\circ
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Guest
Feb 9, 2021
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449
1
HELP PLSSSSS
An Internet service provider allows a certain number of free hours each month and then charges for each additional hour used. Wells, Ted, and Vino each have separate accounts. This month the total hours used by Wells and Ted was 105, and each used all of
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Guest
Feb 9, 2021
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515
1
+42
Can someone help me please
1- tanxcosx/cscx = cos^2x
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Country03
Feb 9, 2021
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352
1
potato question
Let $n$ be a positive integer greater than or equal to $3$. Let $a,b$ be integers such that $ab$ is invertible modulo $n$ and $(ab)^{-1}\equiv 2\pmod n$. Given $a+b$ is invertible, what is the remainder when $(a+b)^{-1}(a^{-1}+b^{-1})$ is divided by $n$?
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Guest
Feb 9, 2021
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380
3
help
When Margaret sells a car, she earns 17% commission. She sold a car for $22,983. How much is commission will she earn from selling that car?
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Guest
Feb 9, 2021
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541
2
HELLLLLP
the value of sin 34 degrees correct to 4 decimal places
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Guest
Feb 9, 2021
+1
503
2
+46
What is the probability that atleast 2 people have the same number of friends. Friendship is mutual.
What is the probability that at least 2 people have the same number of friends? Friendship is mutual.
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faultypancake
Feb 9, 2021
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347
1
algebra
What is the sum of all possible values of x such that 2x(x - 10) - x(x - 5) = -50?
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Guest
Feb 9, 2021
+1
534
6
+46
Help Asap. please and thank you
Point lies on line segment such that and Semicircles are constructed with diameters , , and . Find the area of the blue region.
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textot
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faultypancake
Feb 9, 2021
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468
1
polynomial
Expand the product (x - 2)^2 (x + 2)^3. What is the product of the nonzero coefficients of the resulting expression, including the constant term?
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Guest
Feb 9, 2021
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528
1
4senx-1=0
4senx-1=0
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Guest
Feb 9, 2021
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442
1
what is equivalent to 2/3
what is equivalent to 2/3
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Guest
Feb 9, 2021
+1
561
2
+215
Help ASAP
The perimeter of a square is 1/5 meter. Find the length of each side in meters.
I got 20 meters
please explain and show your work
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alston
Feb 9, 2021
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588
1
Find the 4 arithmetic means between -10 and 35
Find the 4 arithmetic means between -10 and 35
Thank You!
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Guest
Feb 9, 2021
+1
492
1
Help!
Every June 1, an ecologist takes a census of the number of wrens in a state park. She noticed that the number is decreasing by 40% each year. If this trend continues, in what year will the census show that the number of wrens is less than 10% of what
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Guest
Feb 9, 2021
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533
5
Why did Adell cross the river
Why did Adell cross the river
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Guest
Feb 9, 2021
0
541
3
how much wood can a woodchuck chuck if a woodchuck could chuck wood
how much wood can a woodchuck chuck if a woodchuck could chuck wood
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Guest
Feb 9, 2021
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533
3
Why outpizza the hut?
Why outpizza the hut?
Please don't spam answers, one at a time.
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Guest
Feb 9, 2021
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363
1
license plates
How many license plates consist of 2 letters followed by 2 digits, if one of the digits must be odd and the other must be even, and the letters are different?
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Guest
Feb 9, 2021
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444
1
trains
The difference between the speeds of two trains is $10\text{ km/hr}$. The slower train begins journey from a station and when it covers $160\text{ km}$, the faster train begins journey from the same station on a parallel line and reaches the destination
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Guest
Feb 9, 2021
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524
2
algebra
The height of an object is given by h = -16t^2 + 137t + 100
Find the two points in time when the object is 148 feet above the ground . Round your answer to the nearest hundredth of a second (two decimal places)
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Guest
Feb 9, 2021
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358
0
Identify how the passage above also shows the logical/main idea organizational pattern
Passage: What is the point of this splintered whole? What is the point of a nation in which Arab cabbies’ chauffeur Jewish passengers through the streets of New York--and in which Jewish cabbies’ chauffeur Arab passengers, too, and yet speak in theory of
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Guest
Feb 9, 2021
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1176
1
+102
Another Question
Suppose we choose five points on a circle, and draw line segments between every pair of chosen points. Then we can obtain five intersection points, which are marked in red below.
If
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AnxiousLlama
Feb 9, 2021
+1
521
1
need help with roots
If A and B are the roots of the equation 3x^2 + 2x - 3 = 0, where B < A, find the value of each of the following.
a. 1/A + 1/B =
b. A^2 + B^2 =
c. A - B =
d. A^3 - B^3 =
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Guest
Feb 9, 2021
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