All Questions

370

Coordinates

Which equation represents a line that is parallel to y= -4x+3 and passes through the point (-3,2)

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Guest Dec 25, 2021

299

Sequences

In a geometric sequence of real numbers, the sum of the first 2 terms is 7, and the sum of the first 6 terms is 91. What is the sum of the first 4 terms?

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Guest Dec 25, 2021

Dec 24, 2021

367

Coordinates

What is an equation of the line that passes through the point (-6, -7) and is perpendicular to the line 6x - 5y = 30?

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Guest Dec 24, 2021

328

Percent

Two liters of a 30% acid solution are mixed with three liters of a 70% acid solution. What percent of the mixture is acid?

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Guest Dec 24, 2021

304

need help

The number √2u-1, √2u+1 and 2√u are the side lengths of a triangle How many degrees are in the measure of the largest angle?

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Guest Dec 24, 2021

329

Math problem

The positive five-digit integers that use each of the digits 1, 2, 3, 4 and 5 exactly once are ordered from least to greatest. What is the 60th integer in the list?

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Guest Dec 24, 2021

301

need help

Find positive integers (a,b) so that sqrt(37 + 12*sqrt(7)) = a + b*sqrt(7). Answer in the form of "a, b".

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Guest Dec 24, 2021

295

Counting

Derek's phone number, 336 - 7624, has the property that the three-digit prefix, 336, equals the product of the last four digits, 7 times 6 times 2 times 4. How many seven-digit phone numbers have this property?

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Guest Dec 24, 2021

303

Coordinates

Find the point P that partitions the line segment AB given the ratio. A (3, 6) B(-4, 3) with the ratio 2:7

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Guest Dec 24, 2021

285

quadratic

Find an equation for the quadratic that passes through the points (−1,8), (2,−4), and (−6,−12).

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Guest Dec 24, 2021

379

+47

algebra question

what is 1/2(x^6)* (y^7)
if x=3/4 and y=4/3

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bruhlmao Dec 24, 2021

301

Coordinates

Find the reflection of the point (5,3) across the line y = 3x + 2.

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Guest Dec 24, 2021

389

+47

algebra help

simplify

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bruhlmao Dec 24, 2021

396

Algebra

if z is a complex number satisfying z+(1/z)=1, calculate z^2+ (1/ z^2).

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Guest Dec 24, 2021

304

Geometry

In the figure, ABCD is a rectangle, AZ = WC = 6, AB = 15, and the area of trapezoid ZWCD is 130 square units. What is the area of triangle BQW?

read more ..

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Guest Dec 24, 2021

305

Geometry

For some value d, an isosceles triangle has at least one angle of 2d-40 degrees and at least one angle of d+10 degrees. What are all possible values of d?

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Guest Dec 24, 2021

300

Domain question

For what value of x is the expression (2x^3 + 3)/(x^2 - 24x + 100) not defined?

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Guest Dec 24, 2021

319

Math problem

A star-polygon is drawn on a clock face by drawing a chord from each number to the fifth number counted clockwise from that number. That is, chords are drawn from 12 to 5, from 5 to 10, from 10 to 3, and so on, ending back at 12. What number comes after read more ..

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Guest Dec 24, 2021

293

Coordinates

Find the radius of a circle with the equation:
x^2 + y^2 – 18x – 24y + 124 = 0

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Guest Dec 24, 2021

300

help

Suppose that a and b are digits in base d>6 such that . Find A_d - B_d in base d .

Guest Dec 24, 2021

450

+72

Solving for f'(0) given derivative conditions

Let the function be continuous and real valued, and satisfy the following conditions:
1. ,
2.
3. read more ..

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jsaddern Dec 24, 2021

410

+72

Interesting calculus-geometry problem

The base of a solid is the area between the parabolas and . Calculate hte volume of the solid given that the cross sections perpendicular to the -axis are equilateral triangles!

Thank you.

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jsaddern Dec 24, 2021

478

+72

Find the function f(x) that satisfies...

Find the function that satisfies:
,
for all
read more ..

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jsaddern Dec 24, 2021

All Questions ⁺⁰237827 Questions

Coordinates

Sequences

Coordinates

Percent

need help

Math problem

need help

Counting

Coordinates

quadratic

algebra question

Coordinates

algebra help

Algebra

Geometry

Geometry

Domain question

Math problem

Coordinates

help

Solving for f'(0) given derivative conditions

Interesting calculus-geometry problem

Find the function f(x) that satisfies...

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