All Questions ⁺⁰237665 Questions

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696

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please help!

Angles A and B are supplementary. If A = 8x - 27 and B = 4x + 3, then find the measure of angle A.

Guest Sep 15, 2020

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525

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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.

Guest Sep 15, 2020

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850

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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 .

Guest Sep 15, 2020

-1

565

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+216

Factoring Monic Quadratics

What is the sum of all possible values of such that ?

Can someone please help me.

Jmaster10 Sep 15, 2020

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380

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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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583

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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 ..

Guest Sep 15, 2020

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409

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help with geometry

Anlge TIY = 35. Solve for x.

Guest Sep 15, 2020

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704

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?

Guest Sep 15, 2020

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898

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please help

If Chang jogs one lap around the inside track, how far does he jog?

Guest Sep 15, 2020

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996

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+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 ..

SpinningAx Sep 15, 2020

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495

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help with quadratic

Find k so that kx^2 – 12x + 9 is the square of a binomial.

Guest Sep 15, 2020

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634

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math problem

Which equation below has a solution of all real numbers?

Guest Sep 15, 2020

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670

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ratio

is 3.3 a rational number

Guest Sep 15, 2020

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2800

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 ..

Guest Sep 15, 2020

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2936

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 ..

Guest Sep 15, 2020

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814

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Digits add up to 16

What is the largest number, with its digits all different, whose digits add up to 16?

Guest Sep 15, 2020

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445

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

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330

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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524

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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

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701

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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

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1046

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 .

Guest Sep 15, 2020

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1299

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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?

Guest Sep 15, 2020

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345

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I need help?

Guest Sep 15, 2020

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