All Questions

303

geometry

Find angle x, in degrees.

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Guest Jun 16, 2021

363

geometry

1) Let ABCDE be a regular pentagon. Prove that AC bisects angle BCE and AD bisects angle BDE.

2) In quadrilateral BCDE, CBD = 31 degrees, CED = 47 degrees, BCE = 85 degrees. Find angle BDE.

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Guest Jun 16, 2021

335

help sequence

The first term of a sequence is 20.
If a term in the sequence is t and t is even, the next term is t/2
If a term in the sequence is t and t is odd, the next term is 3t + 1.
Therefore, the first three terms in the sequence are 20, 10, 5.
What read more ..

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Guest Jun 16, 2021

505

+50

integer word problems

the sum of the ages of the three Romano brothers is 63. If their ages can be represented as consecutive integers,
what is the age of the middle brother?

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kirstenday51704 Jun 16, 2021

388

+67

Math help.

The product can be expressed in the form , where a and b are integers. Find a+b.

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Technoblade Jun 16, 2021

618

+67

Help would be helpful

Express (5-4i)-2(3+6i) as a complex number.

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Technoblade Jun 16, 2021

335

counting question

In how many ways can a President and a Vice-President and a Treasurer be chosen from a group of 5 people (assuming that the President and the Vice-President and the Treasurer cannot be the same person)?

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Guest Jun 16, 2021

375

+67

Please help!

In the equation , both j and k are positive integers. What is the sum of all possible values for k?

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Technoblade Jun 16, 2021

368

Percent

My street hockey team plays three games each week. My team lost all 12 games in the first four weeks. Then, my team won two games and lost one game in the fifth week, bringing our record to 2 wins and 13 losses. Each week after that, my team read more ..

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Guest Jun 16, 2021

266

geometry

Radii OA, OB, and OC divide the circle into three congruent parts. Let D be a point on the arc AB such that arc AD = 44 degrees. Find the measure of angle OCD.

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Guest Jun 16, 2021

390

help algebra

If a and b are integers such that a - b = 10, find the minimum value of a*b.

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Guest Jun 16, 2021

540

The product of 3, and a number increased by 6, is -24

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Guest Jun 16, 2021

1779

MAT-133

Joan's finishing time for the Bolder Boulder 10k race was 1.71 standard deviations faster than the women's average for her age group. There were 375 women who ran in her age group. Assuming a normal distribution, how many women ran faster than Joan read more ..

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Guest Jun 16, 2021

340

help with polynomial

When the polynomial p(x) is divided by x - 1, the remainder is 3. When the polynomial p(x)$ is divided by x - 3, the remainder is 8. What is the remainder when the polynomial p(x) is divided by (x - 1)(x - 3)?

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Guest Jun 16, 2021

434

+147

Hi Sabouk!!!!

Hi Sabouk!!!!
I just realized it's been 1 year since you joined today!!
Happy 1 year on web2.0calc!!

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mnkmnk Jun 16, 2021

530

NEED HELP QUICKLY

Given that $33^{-1} \equiv 77$ (mod $508$), find $11^{-1}$ (mod $508$) as a residue modulo 508. (Give an answer between 0 and 507, inclusive.)

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Guest Jun 16, 2021

727

+45

Ratio

A rectangular box has integer side length in the ratio 1:3:4. Which of 48, 56, 64, 96, 144 could be the volume of the box?

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amc81012 Jun 16, 2021

426

CHPILL I NEED YOUR HELP

The equation of the line that passes through the points (-3,5) and (0,-4) can be expressed in the form y=mx+b. What is the value of m+b?

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Guest Jun 16, 2021

359

TYSM :))

TYSMM :)

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Guest Jun 16, 2021

386

Anyone know how much does it cost to build a wind turbine in Saskatchewan, Canada ?

Anyone know how much does it cost to build a wind turbine in Saskatchewan, Canada ?

Pls put your source with your answer ty

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Guest Jun 16, 2021

252

Help

help with binomial property
In the expansion of (1+x)^n, there exist three consecutive coefficients a, b, c that satisfy a:b:c = 1:7:35. Find the positive integer v.

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Guest Jun 16, 2021

319

geometric series

Calculate the sum of the geometric series $1+\left(\frac{1}{8}\right)+\left(\frac{1}{8}\right)^2 + \left(\frac{1}{8}\right)^3 + \dots$. Express your answer as a common fraction.

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Guest Jun 16, 2021

Jun 15, 2021

336

help with quadratic

Give an example of a quadratic function that has zeroes at x = 2 and x = -4, and that takes the value 6 when x = 3. Write your answer in expanded form "ax^2 + bx + c", where a,b,c are replaced by appropriate numbers.

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Guest Jun 15, 2021

274

help with binomial property

In the expansion of (1+x)^n, there exist three consecutive coefficients a, b, c that satisfy a:b:c = 1:7:35. Find the positive integer n.

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Guest Jun 15, 2021

All Questions ⁺⁰231295 Questions

geometry

geometry

help sequence

integer word problems

Math help.

Help would be helpful

counting question

Please help!

Percent

geometry

help algebra

The product of 3, and a number increased by 6, is -24

MAT-133

help with polynomial

Hi Sabouk!!!!

NEED HELP QUICKLY

Ratio

CHPILL I NEED YOUR HELP

TYSM :))

Anyone know how much does it cost to build a wind turbine in Saskatchewan, Canada ?

Help

geometric series

help with quadratic

help with binomial property

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