All Questions ⁺⁰234777 Questions

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456

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Please Help!

The equation of an ellipse is x^2+y^2/4=1. The equation of a line is y=2x+b. For what values of b is the line tangent to the ellipse?

Guest Nov 22, 2020

0

384

1

Please Help!

(a) Let f(x): (-inf, 0) U (0 inf) --> R be defined by f(x) = x- (1/x)
Show that f(x) has no inverse function.
(b) Let g(x): (), inf) --> R be defined by gx) = x- (1/x)
Show that g(x) has an inverse function.

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Guest Nov 22, 2020

0

670

1

Help ASAP

A vendor has six jugs of punch with capacities of 13, 15, 16, 21, 21, and 22 gallons. One jug, which he keeps for himself, is full of blue punch. The other five jugs are full of red punch. Without opening any of the jugs, he sells 1/3 of the red punch to read more ..

Guest Nov 22, 2020

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437

1

Solve

3sin(x-y)sin(x+y)=0

Guest Nov 22, 2020

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422

1

Help!

In this problem, m and n are integers. If and , then what is the remainder when m+n is divided by 14?

Guest Nov 22, 2020

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330

2

positive factors

Both b and n are positive integers less than or equal to 15. What is the greatest number of positive factors b*n can have?

Guest Nov 22, 2020

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405

1

The sum of the positive divisors of a positive integer

The sum of the positive divisors of a positive integer of the form 2^i*3^j is equal to 1815. What is i+j?

Guest Nov 22, 2020

0

706

2

infinite geometric series

An infinite geometric series has a first term of 12 and a second term of 4. A second infinite geometric series has the same first term of 12, a second term of 4 + n and a sum of three times that of the first series. Find the value of n.

Guest Nov 22, 2020

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334

0

geometric sequence

We have two geometric sequences of positive real numbers:
6,a,b and a,b,54
Solve for a

Guest Nov 22, 2020

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376

1

я крутыш

1000-943 разве будет =56 А?

Guest Nov 22, 2020

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580

1

Consider the infinite arithmetic sequence A

Consider the infinite arithmetic sequence A with first term 5 and common difference -2. Now define the infinite sequence B so that the k term of B is 3 raised to the kth term of A. Find the sum of all of the terms of B.

Guest Nov 22, 2020

0

646

1

Quack

Which of the following equations correctly represents the distance between points (1, -1) and (-2, 2)?

Guest Nov 22, 2020

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321

0

quadratic

The quadratic 2x^2 - 6x + 8 can be written in the form a(x + b)^2 + c, where a, b, c and are constants. What is a + b + c?

Guest Nov 22, 2020

+2

527

2

+27

Please help as soon as possible. Thanks! :D

Find a polynomial such that has degree less than .

pleasehelpmequickthx Nov 22, 2020

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637

1

+205

Help

Attachment below...

parpar1 Nov 22, 2020

0

509

0

+256

Logic problem

Image attached

MELODY IS CATCHING UP TO CPHILL

BWStar Nov 22, 2020

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481

2

quadratic

For what value of m does the equation (x + 4)(x + 1) = m + 3x have exactly one real solution?

Guest Nov 22, 2020

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410

0

Physics Problems, I need help!

A 7kg model airplane is banking in order to fly in a circle. The wings are generating a lift force "L" as shown. Assume the plane is maintaining a constant altitude and flying with a constant speed of 18m/s.

1. What is the read more ..

Guest Nov 22, 2020

0

604

1

+205

Biased or Reliable?

Is each sample biased or reliable? Justify your answer.

parpar1 Nov 22, 2020

Nov 21, 2020

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446

1

minimum

Among all pairs of numbers (x,y) such that 3x+y=15, find the minimum of x^2 + y^2.

Guest Nov 21, 2020

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322

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probability

Kris wants to put six plants in a row on his windowsill. He randomly chooses each plant to be a mint plant, a basil plant, or a rose. What is the probability that either exactly four of the plants are mint plants or exactly five of the plants are basil read more ..

Guest Nov 21, 2020

0

625

3

Find the area of triangle OBC .

In triangle ABC , AB= AC=5 and BC=7. Let O be the circumcenter of triangle ABC. Find the area of triangle OBC .

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Guest Nov 21, 2020

0

626

4

+205

DATA

parpar1 Nov 21, 2020

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