All Questions ⁺⁰238211 Questions

0

806

1

Please halp

There are values A and B such that Find A+B

Guest Aug 1, 2019

0

813

2

Help please

If sqrt{5 + x} + sqrt{20 - x} = 7, what is the value of (5 + x)(20 - x)?

Guest Aug 1, 2019

0

837

1

Find Y-intercept Help

I am trying to find the y-intercept

The equation is x+1 = -2(y+5)^2
This is a parabola, but not exactly a function (does not pass vertical line test) read more ..

Guest Aug 1, 2019

0

889

2

Help!

How did the temperature change if:

If decreased by 33 1/3%
1 read more ..

Guest Aug 1, 2019

0

905

1

Please help

If , and x can be any real number except 1, what real values can m NOT have?

Guest Aug 1, 2019

0

726

1

Help!

2/3
is what percent of
1/4
? read more ..

Guest Aug 1, 2019

Jul 31, 2019

0

619

1

I'm re-posting because only one guest responded last time. but still, im open to help!

(a) Compute the sums of the squares of Rows 1-4 of Pascal's Triangle. That is, compute:
Do these sums appear anywhere else in Pascal's Triangle?
(b) Guess at an identity based on your observations from part (a). Your identity should be of the form
(You read more ..

Guest Jul 31, 2019

0

561

1

Hyperbola Question Help

Let and (foci). Then the set of points such that

form a hyperbola. The equation of this hyperbola can be written as
read more ..

Guest Jul 31, 2019

0

656

3

Hi, help me please

Guest Jul 31, 2019

0

879

2

Help please

Guest Jul 31, 2019

0

1251

3

Help please!

In the diagram, D and E are the midpoints of overline{AB} and overline{BC} respectively. Determine the sum of the x and y coordinates of F, the point of intersection of overline{AE} and overline{CD}.

Diagram at: https://latex.artofproblemsolving.com/5/5/0/55002ffdc5d288b4984c4eba461a467dcced7760.png read more ..

Guest Jul 31, 2019

0

1104

1

help

Let $\mathbf{P}$ be the matrix that projects onto $\mathbf{j}$: that is, we want $\mathbf{P}$ to satisfy \[\mathbf{P} \mathbf{v} = \text{The projection of $\mathbf{v}$ onto } \begin{pmatrix} 0 \\ 1 \\ 0 \end{pmatrix}\]for all vectors $\mathbf{v}$. Use the read more ..

Guest Jul 31, 2019

0

819

1

HELP

If is a function whose domain is , and , then the domain of is an interval of what width?

Guest Jul 31, 2019

0

792

1

Help!

Find the remainder when the polynomial x^1000 is divided by the polynomial (x^2+1)(x+1).

Guest Jul 31, 2019

0

983

3

sqrt(88^2-232.2125*.85

can u show me the work for sqrt(88^2-2*32.2*125*.85

Guest Jul 31, 2019

0

1349

2

GCD stuff

If m and n are positive integers such that gcd(m,n)=12 , then what is the smallest possible value of gcd(10m,15n) ?

Edit: ans=60

Guest Jul 31, 2019

+2

1065

2

+501

Math, Please Help

Can someone please help me?

In , , and BC is an altitude. , and The values of , , and \tan \angle ABE form a geometric progression and the values of , , and \cot \angle DBC form an read more ..

Davis Jul 31, 2019

0

776

1

help

How did the temperature change if:
Chapter Reference
a
It increased by 50 % and then decreased by 33 1/3% read more ..

Guest Jul 31, 2019

0

974

2

+159

Number Theory

Let be nonnegative real numbers such that Find the maximum value of

Havingfun Jul 31, 2019

+1

774

1

+939

PSL4#10

Answer: 89/245

I have no idea how to approach this.

dgfgrafgdfge111 Jul 31, 2019

+1

802

1

+939

PSL4#33 Repost

https://web2.0calc.com/questions/psl4-33

I was just reposting because no one has answered this and it's getting deep in the question area.

dgfgrafgdfge111 Jul 31, 2019

+1

868

1

+939

PSL4#48

Answer: 6/7

What I did:
read more ..

dgfgrafgdfge111 Jul 31, 2019

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