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Post New Question
All Questions
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229750 Questions
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1281
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+296
Drag an equation, variable, or phrase into each box to correctly complete the statements
How do you graph the polar curve r=6sinθ?
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lovesosa12
Feb 5, 2021
0
386
1
+193
Range
What is the range of the function
$$r(x) = \frac{1}{(1-x)^2}~?$$
Express your answer in interval notation.
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clairepow
Feb 5, 2021
0
405
1
+193
Help Me Please
Compute the range of the function $f(x) = \sqrt{x^2}$.
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clairepow
Feb 5, 2021
0
424
1
tacos and burritos
you and a friend go to taco bell for lunch. you order four soft tacos and two burritos and your bill totals $\$11.50$. your friend's bill $\$12.00$ for three soft tacos and three burritos. how much do the tacos and burritos cost?
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Guest
Feb 5, 2021
0
423
1
+195
helpy
What is the ratio of the number of degrees in the interior angle of a regular pentagon to the number of degrees in the interior angle of a regular hexagon? Write your answer as a common fraction.
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QuestionMachine
Feb 5, 2021
0
410
5
What is x?
Please help me this makes no sense.
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Guest
Feb 5, 2021
0
530
3
+193
Range and Domain
What is the smallest integer value of $c$ such that the function $f(x)=\frac{x^2+1}{x^2-x+c}$ has a domain of all real numbers?
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clairepow
Feb 5, 2021
0
452
1
+179
Trig pls help
In right triangle with , we have . What is ?
Please help!!!!!
read more ..
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vockeyvockvock
Feb 5, 2021
0
436
1
+193
Help Please
Let
\[f(n) = \left\{
\begin{array}{cl}
n^2-2 & \text{ if }n<0, \\
2n-20 & \text{ if }n \geq 0.
\end{array} <#> \right.\]
What is the positive difference between the two values of $a$ that satisfy the equation $f(-2)+f(2)+f(a)=0$?
read more ..
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clairepow
Feb 5, 2021
0
429
1
figure
In the given figure, RA=SA=9 cm and QA=7 cm.If PQ is the diameter, then find the radius.
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Guest
Feb 5, 2021
0
311
2
PLZ!!!!! HELP!!!!!
Let f(x) be a quadratic polynomial such that f(-4)=-22, f(-1)=2 , and f(2)=-1. Let g(x)=(f(x))^16. Find the sum of the coefficients of the terms in g(x) with even exponents. (For example, the sum of the coefficients of the terms in -7x^3+4x^2+10x-5
read more ..
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Guest
Feb 5, 2021
0
458
2
+73
HELP
Find all integers $n$ such that when the clock strikes $n$ o'clock, the acute angle between the hour and minute hands is $60^{\circ}$. Enter your answer as a comma-separated list.
AnswerMachine
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qwertyytrewq
Feb 5, 2021
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413
4
help with word problem
4 shepherds were watching over their flocks and they were commenting on how many sheep they each had.
If David had three more sheep, then he'd have one less sheep than Harry.
Whereas Sam has the same number as the other three shepherds put
read more ..
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Guest
Feb 5, 2021
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415
1
hlp algebra
Machine A and Machine B can produce 1 widget in 3 hours working together at their respective constant rates. If Machine A’s speed were doubled, the two machines could produce 1 widget in 2 hours working together at their respective rates. How many hours
read more ..
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Guest
Feb 5, 2021
0
448
3
tall pole trig
A tall pole is constructed in a flat parking lot; the pole stands straight up and forms a right angle with the ground. The pole casts a shadow, as shown below. The length of the shadow is 12 feet. Find the height of the pole, to the nearest foot. You may
read more ..
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Guest
Feb 5, 2021
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546
1
Counting questions involving means
Hiram's algebra notes are 50 pages long and are printed on 25 sheets of paper; the first sheet contains pages 1 and 2, the second sheet contains pages 3 and 4, and so on. One day he leaves his notes on the table before leaving for lunch, and his
read more ..
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Guest
Feb 5, 2021
0
386
5
Please help, extremely urgent
Let u and v be the solutions to Find
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Guest
Feb 5, 2021
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264
0
What is the impact of single parenting and/or father absence on children?
What is the impact of single parenting and/or father absence on children? What does research show and what are the implications in society over time?
Needed resources
Guest
Feb 5, 2021
0
515
1
+126
triangle inequalities
(1,7), (13,16) and (5,k) are the vertices of a triangle. What is the sum of all possible values of "k" for which the area of the triangle is minimum? (k can only be an integer)
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geoNewbie21
Feb 5, 2021
0
399
1
hard geometry!
In the circle $G$, the midpoint of the radius $FG$ is $H$ and $AB\perp EF$ at $H$. The semicircle with $AB $ as diameter intersects $EF $ in $I$, line $AI $ intersects circle $G$ in $C$ and line $BI$ intersects the circle $G$ at $D$, then chord $BC$
read more ..
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Guest
Feb 5, 2021
0
407
1
trig computation
Compute \[ \sin^2 5^\circ + \sin^2 10^\circ + \sin^2 15^\circ + \cdots + \sin^2 90^\circ =\, ? \]
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Guest
Feb 5, 2021
0
234
0
Vector Question
Q: I need to find two unit vectors 60 degrees from the vector <3,4>.
What I did was say the unit vector u= is one of my solutions and so
, ,
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Guest
Feb 5, 2021
Feb 4, 2021
0
394
1
word problem
A total of 190 people attended the opening night of a schoolmusical. Student tickets cost $\$4.50$ each while general admission tickets cost $\$6$ each. If total sales were $\$996$, how many general admission tickets were sold?
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Guest
Feb 4, 2021
-1
397
1
+328
The 2018 FIFA world cup
A total of 32 teams participated in the 2018 FIFA World Cup. They were divided into 8 groups of 4 teams each, and each team would play against each other teamonce within the group stage. Then the top two teams of each group would move on tothe elimination
read more ..
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Potatobird
Feb 4, 2021
0
408
3
angles
The measure of one angle is thirteen less than five times the measure of another angle. The sum of the measures of the two angles is 140°. What are the two angles?
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Guest
Feb 4, 2021
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