All Questions ⁺⁰230715 Questions

0

466

1

Hellp

If $f(x) = 3x^2 - 5$, what is the value of $f(f(-1))$?

Guest Sep 19, 2020

0

498

2

please help!

The numbers 1, 6, 11, 16, ... are written in order in a book, 50 to a page, beginning on page 1. The number 12346 will be written on page A)49, B)51, C)48, D)47, E)50

I've been working a long time, and I don't know what to do. read more ..

Guest Sep 19, 2020

0

537

1

trig function

What would be a possible phase shift for the graph shown if we consider the graph to be a cosine function of the form y = a cos (x-c) ?
A. 3/2pi right
B. 1/4 pi left
C. 1/4 pi right
D. pi/2 right

read more ..

Guest Sep 19, 2020

+1

387

1

+2

Help

Find the ordered pair that satisfies the system of equations

\begin{align*}x+y&=15,\\x-y&=3.\end{align*}

septifar Sep 19, 2020

Sep 18, 2020

0

834

1

Please help ASAP! Thanks

ABCD is a quadrilateral such that AB=CD. We know that angleA= angle B= 60 degrees and AD=CB=1 . If AB=10 , what is DC?

Guest Sep 18, 2020

0

409

1

help please

What is the volume of the figure?

Guest Sep 18, 2020

0

497

2

+6

Needing help with this ASAP

What are the coordinates of the hole in the function?
f(x)=2x2−5x−123x2−11x−4
I'd appreciate if anyone could help out with this, kinda in a desperate situation.

archvile Sep 18, 2020

0

449

1

distinct prime factors

How do you find the distinct prime factors of a number? thanks

Guest Sep 18, 2020

+1

518

4

+479

Quick Question

Suppose that x,y,z are positive integers satisfying x is less than or equal to y is less than or equal to z, and such that the product of all three numbers is twice their sum. What is the sum of all possible values of z?

HelpBot Sep 18, 2020

0

532

3

3d geo

Find the surface area of the following solid.

Guest Sep 18, 2020

0

539

1

word problem

Elizabeth runs a farm stand that sells apples and raspberries. Each pound of apples sells for 2.25 and each pound of raspberries sells for 1.50. Elizabeth sold 32 more pounds of raspberries than pounds of apples and made $108 altogether. Find the read more ..

Guest Sep 18, 2020

0

486

3

this is impossible

Suppose five crates are weighed two at a time in all possible ways. the weights in pounds are 110, 112, 113, 114, 115, 116, 117, 118, 120, and 121. how much does each crate weigh?

Guest Sep 18, 2020

0

474

1

please help

This is due today!

Guest Sep 18, 2020

+2

523

3

+50

Need help

Finding trigonometric expression
(sec (arctan x/2)

Lolaaaaaa1999 Sep 18, 2020

0

430

1

Finding trigonometric expression

Finding trigonometric expression
(sec (arctan x/2)

Guest Sep 18, 2020

0

416

1

Algebra 2

-x2+4x=5
Solved by quadratic formula

Guest Sep 18, 2020

0

439

1

algebra question

Perform the indicated operation.

Guest Sep 18, 2020

0

307

0

Help :) (Geometry/Logic)

Identical white cubes can be selected from a bag one at a time, and at least one side will then be painted black. How many unique cubes can be created?

Guest Sep 18, 2020

0

448

1

Can you help me

See the attached photo

Guest Sep 18, 2020

0

433

1

help geometry

Find the value of x. See attachment.

Guest Sep 18, 2020

0

414

1

pleez help

What is the value of k?

Guest Sep 18, 2020

0

337

1

sequence

What is f(6)? f(1) = 10, f(n) = f(n-1) + 3

Guest Sep 18, 2020

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