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521

another calc question!

Im back, I posted like an hour ago and I have another question

The right hand riemann approximation of $\displaystyle\int_1^3 x^3\,dx$ can take the form of P(n)/n^2 for a polynomial P, find P(n)

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Guest Jan 13, 2021

385

inverse function

Let
f(x) = k(x) if x > 0
f(x) = x/2 if x < 0
f(x) = 0 if x = 0 read more ..

Guest Jan 13, 2021

466

help

We call a number peachy if every digit in the number is either a $3$ or next to a $3.$ For example, the numbers $333,$ $83,$ $303,$ and $3773$ are all peachy, but the numbers $32523,$ $786,$ $340,$ and $3999$ are not peachy.

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Guest Jan 13, 2021

1235

Solve the following percent puzzle, entering each square of the completed puzzle in the corresponding box below.

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Guest Jan 13, 2021

464

Question

There's a question that I'm not quite sure how to solve, I know it involves factoring but I don't know how to prove the statement:

Prove that 4 is the only perfect square that is one more than a prime number
read more ..

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Guest Jan 13, 2021

664

geometry

Harriet has a square piece of paper.
She folds it in half to form a rectangle and then in half again to form a second rectangle (which is a square).
The perimeter of the second rectangle is 30 cm
read more ..

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Guest Jan 13, 2021

-1

518

Complex problem that confuses me.

Hi! Can someone please solve the below problem?

read more ..

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COOKIEnomnom Jan 13, 2021

504

Calc question

Let $A=\displaystyle\int_3^7 \tan^{-1}(x)\,dx$.
Find the left hand, right hand, trapezoidal, and midpoint approximation this

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Guest Jan 13, 2021

1367

Hey its a problem care to help out its not that hard :)

In the figure, QUAD is a quadrilateral. QUAD is “enclosed” by the rectangle RECT. This means that each vertex of QUAD is on a side of rectangle RECT. Segment QA is parallel to two of the sides of the rectangle. The length of QA is 18 and the length read more ..

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iigixny Jan 13, 2021

379

help with base numbers

In the small hamlet of Abaze, two base systems are in common use. Also, everyone speaks the truth, and no one changes which base they are using in mid-sentence. One resident said, "26 people use my base, base 14, and only 25 people speak base 10." Another read more ..

Guest Jan 13, 2021

516

Find the angle measure in RADIANS given the following length of a minor arc and radius: arc length = 6pi/5, r= 3

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Guest Jan 13, 2021

613

divisors

Compute the sum of all positive integers k for which the number k*1984*2 has exactly 21 positive divisors.

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Guest Jan 13, 2021

Jan 12, 2021

470

What is three and three fourths squared

What is three and three eighths squared

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Guest Jan 12, 2021

464

divisors

Find the sum of the positive square free divisors of 54000.
Note: A natural number is square free if it is not the multiple of any perfect square greater than 1.

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Guest Jan 12, 2021

807

Math Question

Prove that 4 is the only perfect square that is one more than a prime number

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Guest Jan 12, 2021

381

geometry

Two sides of a parallelogram are 30 and 20. One diagonal has a length of 40. What is the length of the other diagonal?

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Guest Jan 12, 2021

642

Algebra Questions

QUESTION 1 - PART A

If for some constants is a and c, then find a.
read more ..

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Guest Jan 12, 2021

477

two variable equation

Let $a$ and $b$ with $a>b>0$ be real numbers satisfying $a^3+b^3=a+b$. Find $\sqrt{\dfrac{a}{b}+\dfrac{b}{a}-\dfrac{1}{ab}}$.

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Guest Jan 12, 2021

414

algebra

Find y if the point (-6,y) passes through (-1,9) and (3,2).

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Guest Jan 12, 2021

2193

+71

EP, Melody, CPhil Please Come!

Ms. Q gave Steven the following problem: "License plates in Acardia consist of six upper-case letters. For example, two possible Acardian license plates are $ABCDEF$ and $AAAOPS$ No two license plates are the same. How many possible Arcadian license read more ..

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MathSolverForLYFE Jan 12, 2021

604

find the value of the expression 4.325/10. show work

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Guest Jan 12, 2021

484

quadratic

Find the largest integer k such that the equation 5x^2 - kx + 88 = 0 has no real solutions.

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Guest Jan 12, 2021

536

circle

A triangle $ABC $ is drawn to circumscribe a circle of radius 4 cm such that the segments $BD$ and $DC$ into which $BC$ is divided by the point of contact $D$ are of lengths 8 cm and 6 cm respectively. Find the sides $AB $ and $ AC$. read more ..

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Guest Jan 12, 2021

419

math

4567+5675

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Guest Jan 12, 2021

401

I was wondering is anybody else has this problem.....

Every time I post or answer a question it says
Oops! Internal Server Error (reference: 5c50a341151f)
We're sorry, but something went wrong.
read more ..

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Guest Jan 12, 2021

All Questions ⁺⁰237704 Questions

another calc question!

inverse function

help

Solve the following percent puzzle, entering each square of the completed puzzle in the corresponding box below.

Question

geometry

Complex problem that confuses me.

Calc question

Hey its a problem care to help out its not that hard :)

help with base numbers

Find the angle measure in RADIANS given the following length of a minor arc and radius: arc length = 6pi/5, r= 3

divisors

What is three and three fourths squared

divisors

Math Question

geometry

Algebra Questions

two variable equation

algebra

EP, Melody, CPhil Please Come!

find the value of the expression 4.325/10. show work

quadratic

circle

math

I was wondering is anybody else has this problem.....

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