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Post New Question
All Questions
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234773 Questions
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368
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geometry
In the figure above, ∠ABE = ECD and ∠EBD = ∠ACE . If ∠BAC=80∘ and \∠BEC=100∘ then, what is the value of obtuse ∠BDC
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Guest
Jul 1, 2020
0
601
2
Help Please
The numbers $1,$ $2,$ $\dots,$ $10$ are to be entered into the 10 boxes shown below, so that each number is used exactly once: \[P = (\square + \square + \square + \square + \square)(\square + \square + \square + \square + \square).\]What is the maximum
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off-topic
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Guest
Jul 1, 2020
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453
1
help
What is angle α in the regular 5-pointed star, in degrees?
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Guest
Jul 1, 2020
0
775
5
help!
Let be a tangent to a circle, and let be a secant of the circle, as shown below. If AX = 15 and XY = 9, then what is AB? Express your answer in simplest fraction form.
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Guest
Jul 1, 2020
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478
1
help
Factor x^2 - 10x - 11.
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Guest
Jul 1, 2020
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381
0
help
Five points are located on a line. The ten distances between the pairs of points are listed from smallest to largest:
2, 4, 5, 7, 8, K, 13, 15, 17, 19
Determine the value of K.
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Guest
Jul 1, 2020
0
587
2
Find the smallest positive integer n such that 135n is divisible by 360.
Find the smallest positive integer n such that 135n is divisible by 360.
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Guest
Jul 1, 2020
0
361
0
help
Find the equation of the line passing through (-7,0) that is perpendicular to the line 5x - 3y = 2. Enter the answer in standard form.
Guest
Jul 1, 2020
0
460
2
help
Find all integers m such that m - 2 is a positive integer that divides 3m^2 - 2m + 11.
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Guest
Jul 1, 2020
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379
1
probability
You roll four fair dice. What is the probability that the sum of the rolls is 6?
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Guest
Jul 1, 2020
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482
1
expected value
You roll a fair die. What is the expected value of the outcome?
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Guest
Jul 1, 2020
0
505
1
HELP
In the prime factorization of 24!, what is the exponent of 3? (Reminder: The number n! is the product of the integers from 1 to n
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Guest
Jul 1, 2020
0
493
3
please help
A cylindrical glass is made up of steel whose internal radius is 7 cm and external radius is14 cm and and height is 10cm,then find its volume in cubic centimetre. (assuming the glass is uniform and the width of steel is same everywhere)
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Guest
Jul 1, 2020
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485
1
help with coordinates
A triangle has coordinates (0,0), (1,2), and (3,1). Find the perimeter and the area of the triangle.
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Guest
Jul 1, 2020
-2
1063
1
+107
algebra problem
A segment bisector is a line, ray, or segment that divides a line segment into two equal parts. In the triangle formed by points A(-1,7), B(1,2), and C(7,6), what is the slope of the line that goes through point A and bisects BC?
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xplosions
Jul 1, 2020
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518
1
help
Find the measure of angle x in degrees.
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Guest
Jul 1, 2020
0
547
6
+171
help plz
Suppose that f(x) and g(x) are functions on such that the range of f is [-5,3], and the range of g is [-2,1]. The range of f(x) * g(x) is [a, b]. What is the largest possible value of b?
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BillyBobJoeJr
Jul 1, 2020
+1
693
3
+122
How many four-digit numbers satisfy all of the following conditions?
How many four-digit numbers satisfy all of the following conditions?
1.
2. is a multiple of
3.
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mathlete2008
Jul 1, 2020
0
543
1
Someone help
Points A and B lie on a circle with radius 1, and arc
⌢
AB
has a length of
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off-topic
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Guest
Jul 1, 2020
0
745
2
+226
c programming anyone?
Hi there, I know this is a website for math, however, I was wondering if someone could help me with this c-programming question.
Thanks!
You just computed final scores for all of the students in your classroom and would
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littlemixfan
Jul 1, 2020
0
693
1
Pls help.
An even degree power function has a negative leading coefficient. Which answer correctly describes the function's end behavior?
a. As x→∞x→∞, f(x)→−∞f(x)→−∞
As x→−∞x→−∞, f(x)→−∞f(x)→−∞
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Guest
Jul 1, 2020
0
398
0
help
If x, y and z are complex numbers that satsify the system of equations above, find the value of
Guest
Jul 1, 2020
0
604
2
hard geometry
Circle AA, with a radius of 9, has a horizontal chord BC with a length of 10. From point C, a vertical line extends to point D. From point D, a horizontal line extends to point E on the circle's circumference.
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Guest
Jul 1, 2020
0
515
1
Dadas as expressões:
Dadas as expressões:
x² + x³ + 9 = 8 + x² + x
x + x² - 8 = x² + 2x - 5
x² + 9 – x³ = 8 + x – x³
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Guest
Jul 1, 2020
0
1427
1
qual dos valores a seguir é a raiz da equação x² - 2x + 1= 0 ?
qual dos valores a seguir é a raiz da equação x² - 2x + 1= 0 ?
a)-2
b)-1
c)0
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Guest
Jul 1, 2020
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