All Questions

587

+163

Functions math problem

The polynomial satisfies Find the leading coefficient of

So far, I'm convinced that f(x) is a*(6x+4)+b, but I'm stuck. I tried 6, but the leading coefficient is not 6.
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Firebolt Sep 9, 2020

547

arithmetic sequence

An arithmetic sequence is a sequence of numbers where the difference between the consecutive terms is constant, such as five, seven, nine, 11… The third term of an arithmetic sequence is 20 and the sum of the first eight terms is 244. What is the first read more ..

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Guest Sep 9, 2020

Sep 8, 2020

519

counting question

How many integers from 100 to 999 contain at least one 2 or at least one 5 as digits?

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Guest Sep 8, 2020

581

need help

Amy draws all triangles which perimeter is 20 cm and length of sides are integers. How many different types of triangle(s) does she draw? (triangles with sides 4,5,6 and 4,6,5 are regarded as the same type of triangle)

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Guest Sep 8, 2020

604

pls help

A rectangle that measure 4 by 6 has vertices A,B,C and D. The Midpoint (E) of CD is labeled, and ADE is drawn to form a 3-4-5 triangle. Then, it is reflected over the hypotenuse to get triangle AD'E. How far away is D' from C?
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Guest Sep 8, 2020

645

+614

proofs pls help

prove:
n^3-n is divisible by 3

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xxJenny1213xx Sep 8, 2020

524

hard algebra!

If x - 1/x = 2, then find the value of x^5 - 1/x^5.

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Guest Sep 8, 2020

663

+163

Functions help please

Let be a monic cubic polynomial, and let and be polynomials such that
Find

I have tried 1, and f(4) is not 1.
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Firebolt Sep 8, 2020

537

help with graphing

The parabola y = 2x^2 - 5x + 4 is shifted two units to the right, then one unit down. What is the equation of the new parabola?

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Guest Sep 8, 2020

496

The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?

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Guest Sep 8, 2020

582

algebra problem

The Purple Plant Garden Store sells grass seed in ten-pound bags and ﬁfteen-pound bags. Yesterday half of the grass seed they had was in ten-pound bags. This morning the store received a shipment of 27 more ten-pound bags, and now they have twice as many read more ..

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Guest Sep 8, 2020

536

algebra

What is the domain?

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Guest Sep 8, 2020

352

help please

Factor (x + 5)^4 + 2(x + 5)^2 - 1

Guest Sep 8, 2020

699

+230

pls HeLp

Altitudes AD and BE of triangle ABC intersect at H. If angle BAC=54 and angle ABC=52, then what is angle AHB?

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Ericthegg123 Sep 8, 2020

573

pls help with this I am having a brain cramp.

Find the equation of the line passing through the points (-2,-17) and (5,11). Enter your answer in "y = mx + b" form.

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Guest Sep 8, 2020

360

precalc

Find the constants A and B such that (x + 7)/(x^2 - 2x - 35) = A/(x - 7) + B/(x + 5).

Guest Sep 8, 2020

492

geometry

Angles and lines at a point, solve for x and y.

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Guest Sep 8, 2020

588

algebra

The terms x, x+2, x+4, . . . , x+2n form an arithmetic sequence, with x an integer. If each term of the sequence is cubed, the sum of the cubes is -1197. What is the value of n if n > 3?

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Guest Sep 8, 2020

2733

please help

To log on to a certain computer account, the user must type in a 4-letter password. In such a password, no letter may be repeated, and only the lower case of a letter may be used. How many such 4-letter passwords are possible? (There are 26 letters in the read more ..

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Guest Sep 8, 2020

476

Gauss Method

Sum 45+ 46+47+ 48+ ... 113 + 114 using Gauss Method.

What is Gauss Method?

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Guest Sep 8, 2020

768

+1982

For the data shown in the scatter plot, which is the best estimate of r?

For the data shown in the scatter plot, which is the best estimate of r?

read more ..

macabresubwoofer Sep 8, 2020

1549

+1982

Which best describes the association between variables x and y?

Which best describes the association between variables x and y?

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macabresubwoofer Sep 8, 2020

382

Help with finding variables

Hello, Im confused on how to do this:

Find A, B and C if
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Guest Sep 8, 2020

All Questions ⁺⁰237665 Questions

Functions math problem

arithmetic sequence

counting question

need help

pls help

proofs pls help

hard algebra!

Functions help please

help with graphing

The fifth term of an arithmetic sequence is 9 and the 32nd term is -84. What is the 23rd term?

algebra problem

algebra

help please

pls HeLp

pls help with this I am having a brain cramp.

precalc

geometry

algebra

please help

Gauss Method

For the data shown in the scatter plot, which is the best estimate of r?

Which best describes the association between variables x and y?

Help with finding variables

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