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All Questions
+0
232211 Questions
0
309
1
help me, thanks in advance
what is the summation of ?
what is the summation of ?
what is the summation of ?
read more ..
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Guest
Mar 29, 2021
0
289
1
right triangle hard problem :(
Let S be the set of all real values of x with 0 < x < \frac{\pi}{2} such that \sin x, \cos x, and \tan x form the side lengths (in some order) of a right triangle. Compute the sum of \tan^2 x over all x in S.
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Guest
Mar 29, 2021
0
261
0
Inverse Functions
What is T(x,y)?
Guest
Mar 29, 2021
+3
455
6
+379
Help. Thanks.
Here is the question:
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calvinbun
Mar 29, 2021
0
351
1
help geometry
What is the value of x?
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Guest
Mar 29, 2021
0
253
0
Number Theory
What is the sum of all positive integers n that satisfy lcm[n,100]=gcd(n,100)+200?
Guest
Mar 29, 2021
-1
381
1
+218
An interesting problem...
A test that has 12 problems in each problem is worth 5 Marks. Full marks are given for a correct answer, 2 marks are given if there is no answer, and no marks are given for an incorrect answer. Some scores between 1 and 60 are impossible to get on this
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MathyGoo13
Mar 29, 2021
0
359
3
linear functions
The points (5,r) and (3,-2) lie on a line with a slope of -2. What is the value of r?
MathyGoo13
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Guest
Mar 29, 2021
0
370
1
linear functions
In the table below, y is a linear function of x. What is the vlaue of y when x = 0?
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Guest
Mar 29, 2021
-1
468
1
+218
In the diagram above, there is a 6 dotted lattice...
In the diagram above, there is a 6 dotted lattice.
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How many squares in the plane have two or more vertices on dots in this grid?
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MathyGoo13
Mar 29, 2021
0
367
2
Please Help!
Write $\frac{\sqrt{2}}{\sqrt{2} + \sqrt{3} - \sqrt{5}} - \frac{1}{2}$ with a rational denominator.
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Guest
Mar 29, 2021
0
367
1
HELP ASAP
In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from $1$ to $10$, and one SuperBall is drawn (at random) from ten red balls numbered from $11$ to $20$. When you buy a ticket, you choose three numbers from $1$ to $10,$
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Guest
Mar 29, 2021
0
386
1
Intercepts
For the graph shown, the slope is changed to 1/5, but the y-intercept remains the same. What is the resulting equation for the new graph?
A)y = x + 15
B)y = x - 15
C)y = 15x + 1
D)y = 15x - 1
read more ..
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Guest
Mar 29, 2021
+1
501
2
Which is a solution to the equation 1/2−x2=7/16 ?
Which is a solution to the equation 1/2−x2=7/16 ?
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Guest
Mar 29, 2021
0
490
1
What is/are the solution(s) to x2 = 169/225 ?
What is/are the solution(s) to x2 = 169/225 ?
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Guest
Mar 29, 2021
0
455
1
Intercepts
Determine the coordinates of the y-intercept of the function shown in the graph.
A)(0, -1)
B)(2, 0)
C)(0, 2)
D)(-1, 0)
read more ..
CentsLord
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Guest
Mar 29, 2021
0
729
1
Give an example of a quadratic function that has zeroes at and , and that takes the value when . Enter your answer in the
Give an example of a quadratic function that has zeroes at $x=2$ and $x=4$, and that takes the value $6$ when $x=3$. Write your answer in expanded form "ax^2 + bx + c", where a,b,c are replaced by appropriate numbers.
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Guest
Mar 29, 2021
0
595
1
Find the measure of arc WV.
Find the measure of arc WV.
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Guest
Mar 29, 2021
+1
867
2
+8
Consider the following statement: Let be a function, such that for all and in the domain of , implies .
Consider the following statement: Let be a function, such that for all and in the domain of , implies . Then the function has an inverse.True or false?
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Pyroxene17
Mar 29, 2021
+1
575
4
math problem
Given a 2019-sided red regular polygonal shape with side length 1, if each side also forms the side of a blue square shape located outside the red shape, what is the perimeter of the resulting redand-blue shape?
ElectricPavlov
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Guest
Mar 29, 2021
0
441
2
digits question
The number 55 was multiplied by a 55-digit number containing only ones. What is the sum of the digits of the product?
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Guest
Mar 29, 2021
+1
471
2
two trains
Two trains leave from the same station at the same time, moving in opposite directions. One train averages 95 km/h, and the other train averages 105 km/h. How long after leaving the station will the trains be 400 km apart?
ElectricPavlov
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Guest
Mar 29, 2021
0
464
1
math problem
Choose any two numbers from 150 to 350. Add 382 to both of your numbers and then divide the results by 2. What is the greatest difference that you can obtain when you subtract the two final results?
CentsLord
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Guest
Mar 29, 2021
0
1
382
6
trapezoid
Find the values of a and b. The diagram is not to scale.
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Guest
Mar 29, 2021
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