All Questions

485

please help

For what constant k is -1 the minimum value of the quadratic 4x^2-12x+k over all real values of x? x can not be unreal

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Guest Jun 27, 2020

617

+614

please help!

find the LCD and build up each fraction
3a/5b^2, 2/10a^3b

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xxJenny1213xx Jun 27, 2020

518

please help

Starting at home, Ishaan traveled uphill to the grocery store for 15 minutes at just 10 mph. He then traveled back home along the same path downhill at a speed of 40 mph. What is his average speed for the entire trip from home to read more ..

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Guest Jun 27, 2020

480

help

Simplify the expression (x3+2x2+x+6)/(x+2) .

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Guest Jun 27, 2020

575

help

Solve -7x - 4y - 3 <= y + 1.

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Guest Jun 27, 2020

666

+224

Can someone please explain this question. I swear the guests just put random numbers and answer the question

https://web2.0calc.com/questions/someone-please-explain-this-volume-question-thanks

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envoy Jun 27, 2020

566

help

The length of a rectangle is five meters less than twice the width. The perimeter is 44 meters. Find the length and width (in meters).

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Guest Jun 27, 2020

618

help

The sum of all the digits used to write the whole numbers 10 through 13 is 1+0+1+1+1+2+1+3 = 10. What is the sum of all the digits used to write the whole numbers 1 through 100, inclusive?

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Guest Jun 27, 2020

528

can anyone help

Find the area of the rectangle.

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Guest Jun 27, 2020

521

help

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Guest Jun 27, 2020

1266

Each number in the list below can be paired with a different number in the same list to make an integer product except for one number. What

Each number in the list below can be paired with a different number in the same list to make an integer product except for one number. What is the letter corresponding to the one exception? A. $\sqrt{40}$ B. $\sqrt{54}$ C. $\sqrt{60}$ D. $\sqrt{90}$ E. read more ..

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Guest Jun 27, 2020

612

quadratic

Find constants a, h, k such that 3x^2 + 4x + 1 = a(x - h)^2 + k.

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Guest Jun 27, 2020

534

help

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Guest Jun 27, 2020

591

Help

The GCF for a pair of numbers is 18, and the LCM is 180. If one of the numbers is 90, what is the other number?

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Guest Jun 27, 2020

551

please help

Which point is located at (7,6)?

A) B
B) E read more ..

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Guest Jun 27, 2020

795

+113

Please help me

Let a be the smallest integer satisfying the inequality x^2 - 15 < 2x, and let b be the largest integer satisfying the same inequality. What is b-a?

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QuestionsBug Jun 27, 2020

674

Pls help!!!

Angle bisectors AX and BY of triangle meet ABC at point I. Find angle C in degrees, if angle AIB = 109.

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Guest Jun 27, 2020

548

help

A group of students wants to help the skipper butterfly. The students are planting way stations in their neighborhoods. Each way station needs 10 plants, and only 65 percent of the seeds they plant are likely to sprout. If they want to make 15 way stations, read more ..

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Guest Jun 27, 2020

585

help

A subway car is moving a distance of (4/(3x-6)) feet every (8/(9x-18)) seconds. What is its average rate of travel in feet per second?

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Guest Jun 27, 2020

545

complex numbers

Please help

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Guest Jun 27, 2020

603

how do i do this?

If the hot water tap can fill a bathtub in 60 minutes, and the cold water tap fills it in 30 minutes, how many minutes does it take when they are running together?

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Guest Jun 27, 2020

663

+113

Please help.

If t is a real number, what is the maximum possible value of the expression -t^2 + 8t -4?

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QuestionsBug Jun 27, 2020

546

help

Find the constant coefficient when the polynomial 3(x - 5) + 2(x^2 - 3x + 1) - 4(x - 5) is simplified.

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Guest Jun 27, 2020

608

+113

Please help.

What real value of t produces the smallest value of the quadratic t^2 -9t - 36?

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QuestionsBug Jun 27, 2020

562

trig

Find (tan20°+tan10°)/(1-tan20°tan10°)=?

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Guest Jun 27, 2020

All Questions ⁺⁰237807 Questions

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Can someone please explain this question. I swear the guests just put random numbers and answer the question

help

help

can anyone help

help

Each number in the list below can be paired with a different number in the same list to make an integer product except for one number. What

quadratic

help

Help

please help

Please help me

Pls help!!!

help

help

complex numbers

how do i do this?

Please help.

help

Please help.

trig

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