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Post New Question
All Questions
+0
237665 Questions
0
529
1
system
Solve the system
a^2 + b = 7
a + b^2 = 11
in real numbers.
read more ..
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Guest
May 11, 2020
0
924
1
In circle O, AD ⊥ BC and the m ∠ACB = 65º . What is the measure of angle OBD?
In circle O, AD ⊥ BC and the m ∠ACB = 65º . What is the measure of angle OBD?
a.100
b. 80
c. 50
read more ..
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Guest
May 11, 2020
0
640
2
complex numbers
Compute (1 + i)^{20}, where i^2 = -1.
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Guest
May 11, 2020
0
649
1
Area
Find the area of the shaded region formed by chord AB. If you need to round, round to the nearest tenth of a square centimeter.
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Guest
May 11, 2020
0
572
1
exponent problem
so i have a problem i need help with it is 10 with an exponent of x times 10 with an exponent of -9 = 10 with an exponent of 11
I cant get the answer at all plz help me.
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Guest
May 11, 2020
0
570
1
help
A circle of radius 8 rolls inside a semicircle with radius 25. What is the distance the circle travels?
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Guest
May 11, 2020
0
614
1
HELP!
An arc’s measure in radians is π/4. What is the measure of the arc in degrees? If you need to round, round to the nearest degree.
Show all work, please!
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Guest
May 11, 2020
0
570
2
Need Help?
Need Help
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Guest
May 11, 2020
0
540
1
Would like some help asap :)
Find a+b+c, given that x+y ≠ -1.
I would appreciate the help. Thanks!
read more ..
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Guest
May 11, 2020
0
499
1
Valószinűség szűmitás
mennyi a valószÍnűség számitás arra hogy megnyerjem az 5 lottot??
off-topic
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Guest
May 11, 2020
0
870
2
if rooms were evenly split among the decks of the titanic how many would be on each floor
if rooms were evenly split among the decks of the titanic how many would be on each floor
840 rooms
9 floors
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Guest
May 11, 2020
0
610
2
+70
Help would be appreciated :)
This equation can be expressed in the form (x+a)(y+b) = c for some constants a,b, and c Enter your answer in the form "a,b,c".
read more ..
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thesoccerfish
May 11, 2020
0
832
1
Please Help!
If $\left|\frac{12}{x}+3\right|=2$, find the product of all possible values of $x$. Express your answer as an improper fraction.
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Guest
May 11, 2020
0
752
1
Please Help!
What is the value of $x$ for which $|3x+5|$ is not positive? Express your answer as a common fraction.
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Guest
May 11, 2020
0
705
1
I'm really confused Please help!!!
Question 3 asked for two possible quadrant locations of the product of c + di and e-fi, where c, d, e, and f are positive real numbers. The product in question 4 was two complex numbers of the form c + di and e-fi, where c, d, e, and f are positive
read more ..
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Guest
May 11, 2020
0
542
1
probability
A hat contains 2 red marbles, 3 blue marbles, and 4 green marbles. You choose two different marbles at random. What is the probability that they are the same color?
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Guest
May 11, 2020
+1
862
2
+28
Congruence and Residues
Remove the integers which are congruent to 3 (mod 7) from the following list of five integers, and sum the integers that remain.
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HumanCalc
May 11, 2020
0
559
1
hard trig
Find the number of solutions to sin(2x) = pi/3 in the interval 0 < x < 2*pi.
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Guest
May 11, 2020
0
579
1
Let f(n) be the base-10 logarithm of the sum of the elements of the nth row in Pascal's triangle. Express in terms of n.
Let f(n) be the base-10 logarithm of the sum of the elements of the nth row in Pascal's triangle. Express in terms of n.
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Guest
May 11, 2020
0
535
1
help please
Solve the inequality
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Guest
May 11, 2020
0
504
1
help
In the diagram, d_1 = 24 and d_2 = 18. What is the perimeter of the shaded region?
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Guest
May 11, 2020
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