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Post New Question
All Questions
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230610 Questions
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614
1
please help!
Angles A and B are supplementary. If A = 8x - 27 and B = 4x + 3, then find the measure of angle A.
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Guest
Sep 15, 2020
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438
1
Pls help! Struggling on this problem
Find a cubic polynomial with integer coefficients that has $\sqrt[3]{2} + \sqrt[3]{4}$ as a root.
(b) Prove that $\sqrt[3]{2} + \sqrt[3]{4}$ is irrational.
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Guest
Sep 15, 2020
0
771
2
For a positive integer $n$, the $n^{th}$ triangular number is $T(n)=\dfrac{n(n+1)}{2}.$ For example, $T(3) = \frac{3(3+1)}{2}= \frac{3(4)}{
For a positive integer , the triangular number is
For example, , so the third triangular number is 6.
Determine the smallest integer such that for some positive integer .
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Guest
Sep 15, 2020
-1
471
1
+216
Factoring Monic Quadratics
What is the sum of all possible values of such that ?
Can someone please help me.
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Jmaster10
Sep 15, 2020
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298
0
question on functions
Explain why y=x^2 is a function but x^2+y^2=36 is not a function
Guest
Sep 15, 2020
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487
1
exact values of a sine
So I have a triangle where I know the sine of 1 angle is the square root of 0.9, the opposite triangleside of this angle is 6 times the square root of 10, I need to find and exact value for another sine in another angle and the opposite side of this angle
read more ..
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Guest
Sep 15, 2020
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321
1
help with geometry
Anlge TIY = 35. Solve for x.
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Guest
Sep 15, 2020
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608
1
Can anyone help me right away I need help really fast?!
a square tile has a width of 1/4 foot. How many tiles will fit end-to-end along a 4 foot wall?
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Guest
Sep 15, 2020
0
803
1
please help
If Chang jogs one lap around the inside track, how far does he jog?
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Guest
Sep 15, 2020
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912
2
+4
Help
1. Find a linear inequality with the following solution set. Each grid line represents one unit.
[asy]
size(200);
fill((-5,-4)--(4,5)--(-5,5)--cycle,yellow);
real ticklen=3;
real tickspace=2; <#> real ticklength=0.1cm; <#> real axisarrowsize=0.14cm; <#> pen
read more ..
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SpinningAx
Sep 15, 2020
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410
2
help with quadratic
Find k so that kx^2 – 12x + 9 is the square of a binomial.
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Guest
Sep 15, 2020
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543
1
math problem
Which equation below has a solution of all real numbers?
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Guest
Sep 15, 2020
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586
4
ratio
is 3.3 a rational number
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Guest
Sep 15, 2020
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2773
1
What ratio is the same as 2/3
Which ratio is the same as 2/3
A) 6/12
B) 10/12
read more ..
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Guest
Sep 15, 2020
0
2876
1
A scientist needs 10 litera of a 20% acid solution for an experiment but she has only 5% solution and a 40% solution.
A scientist needs 10 litera of a 20% acid solution for an experiment but she has only 5% solution and a 40% solution. To the nearest tenth of a liter, how many liters of the 5% and the 40% solutions should she mix to get the solution she needs?
read more ..
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Guest
Sep 15, 2020
0
754
1
Digits add up to 16
What is the largest number, with its digits all different, whose digits add up to 16?
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Guest
Sep 15, 2020
0
360
0
help
1) A car drives 12 m/s [S] for 5.0 seconds, then 18 m/s [N] for 9.0 seconds, and finally 15 m/s [S] for 11 seconds. Calculate the average speed and average velocity.
2) A vehicle travels 2345 m [W] in 315 s toward the evening sun.
read more ..
Guest
Sep 15, 2020
0
256
0
please help
Which equation represents a line through (-2,1) that is perpendicular to y = -5x + 2?
Guest
Sep 15, 2020
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431
0
probability question
The weather forecaster says that the probability of rain on Saturday is 20% and the probability of rain on Sunday is 30%
(a) Can you determine the probability of rain over the weekend (Saturday or Sunday)? Explain.
(b) If it rains on Saturday,
read more ..
Guest
Sep 15, 2020
0
634
5
If $A$ is an angle such that $\tan A + \sec A = 2,$ enter all possible values of $\cos A,$ separated by commas.
If A is an angle such that (tan A) + (sec A)=2 enter all possible values of A separated by commas.
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Guest
Sep 15, 2020
0
982
2
In right triangle $ABC$ with $\angle A = 90^\circ$, we have $AB =16$ and $BC = 24$. Find $\sin A$.
In right triangle with , we have and . Find .
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Guest
Sep 15, 2020
0
1267
1
Jacy has a collection of 140 coins worth $19.00. She has only nickels, dimes, and quarters.
Jacy has a collection of 140 coins worth $19.00. She has only nickels, dimes, and quarters. The difference in thenumber of dimes and the number of quarters is 10. How many nickels are in Jacy's collection?
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Guest
Sep 15, 2020
0
258
0
I need help?
9-8b+6b
Guest
Sep 15, 2020
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