whatdoiputhere

17 Questions
15 Answers

0

621

3

+108

Find all solutions to

Find all solutions to
ab+2a+2b=-16
ac+2a+2c=26
bc+2b+2c=-14 read more ..

whatdoiputhere Feb 18, 2021

+1

405

1

+108

Help!

Find all solutions to
ab+2a+2b=-16
ac+2a+2c=26
bc+2b+2c=-14 read more ..

whatdoiputhere Feb 18, 2021

0

619

2

+108

The ellipse x^2/49+y^2/b^2=1 has foci at (5,0) and (-5,0).

The ellipse x^2/49+y^2/b^2=1 has foci at (5,0) and (-5,0).
(a) Fimd the length of a semi major axis of this ellipse
(b)compute the value of b

whatdoiputhere Feb 18, 2021

+1

632

1

+108

Sequences

The roots of x^3-6x*^2-13x-k=0 form an artithmetic sequence.
a) What is the median term of the arithmetic sequence
b) Find the value of k

whatdoiputhere Feb 17, 2021

+1

688

2

+108

find a monic polynomial of lowest possible degree with rational coefficeients and having both 2 and 3-i roots.

find a monic polynomial of lowest possible degree with rational coefficeients and having both 2 and 3-i roots.

whatdoiputhere Feb 17, 2021

0

637

1

+108

The hyperbola (y-3)^2/5 -(x-2)^2/16=1 (the equation is in x^2/a^2-y^2/b^2=1 Intersects the line at x=8 at (8,y1) and (8,y2) find y1+y2

The hyperbola (y-3)^2/5 -(x-2)^2/16=1 (the equation is in x^2/a^2-y^2/b^2=1
Intersects the line at x=8 at (8,y1) and (8,y2) find y1+y2

whatdoiputhere Feb 17, 2021

0

767

2

+108

The sum of the first n positive even integers is 12432. compute the value of n.

The sum of the first n positive even integers is 12432. compute the value of n.

whatdoiputhere Feb 17, 2021

0

595

1

+108

help please

In an arithmetic sequence a1,a2,a3,...,We know a1=1 and an=1/n for some integer n>1
(a)What is the common difference of this arithmetic sequence, in terms of n?
(b) compute the value of an+1

whatdoiputhere Feb 17, 2021

+1

413

1

+108

HELP

In an arithmetic sequence a1,a2,a3,...,We know a1=1 and an=1/n for some integer n>1
(a)What is the common difference of this arithmetic sequence, in terms of n?
(b) compute the value of an+1

whatdoiputhere Feb 17, 2021

+1

642

1

+108

HELP QUICK!

One of the roots of 2x^3-9x^2+13x+k=0 is x=2.Find the other 2 roots. Explain how you got the answer.

whatdoiputhere Feb 17, 2021

+1

517

1

+108

When the polynomial p(x)=Ax^21+Bx^17+Cx^9+3 is divided by x-5 the remainder is -2. find the remainder when P(x( is divided by x+5.

When the polynomial p(x)=Ax^21+Bx^17+Cx^9+3 is divided by x-5 the remainder is -2. find the remainder when P(x( is divided by x+5.

whatdoiputhere Feb 17, 2021

+2

446

1

+108

HALP

The roots of x^3-6x*^2-13x-k=0 form an artithmetic sequence.
a) What is the median term of the arithmetic sequence
b) Find the value of k

whatdoiputhere Feb 17, 2021

+1

492

1

+108

HEELP

Find all integers for a for which the polynomial ax^2-8x+3=0 has an integer root.

whatdoiputhere Feb 17, 2021

+1

552

1

+108

The sum of the first n positive even integers is 12432. compute the value of n.

The sum of the first n positive even integers is 12432. compute the value of n.

whatdoiputhere Feb 17, 2021

+1

582

1

+108

The ellipse x^2/49+y^2/b^2=1 has foci at (5,0) and (-5,0).

The ellipse x^2/49+y^2/b^2=1 has foci at (5,0) and (-5,0).
(a) Fimd the length of a semi major axis of this ellipse
(b)compute the value of b

whatdoiputhere Feb 17, 2021

+2

409

1

+108

HELP ASAPPPPP.

The hyperbola (y-3)^2/5 -(x-2)^2/16=1 (the equation is in x^2/a^2-y^2/b^2=1
Intersects the line at x=8 at (8,y1) and (8,y2) find y1+y2

whatdoiputhere Feb 17, 2021

+2

662

1

+108

HeLp!

find the sum of the infinite geometric series with the first term 2 and the common ratio 3/5.

whatdoiputhere Feb 17, 2021