All Questions

390

Three of the four vertices of a rectangle are (5,11), (6,11) and (16,-2).

Three of the four vertices of a rectangle are (5,11), (6,11) and (16,-2). What is the area of the intersection of this rectangular region and the region inside the graph of the equation (x - 5)^2 + (y + 2)^2 = 16? Express your answer as read more ..

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Guest Oct 23, 2020

520

complex number

Express (30 + 19i)/(2 + 5i) in the form a + bi, where a and b are real numbers.

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Guest Oct 23, 2020

429

What time will it be in 6666 seconds?

It is currently 8:15:27 pm. What time will it be in seconds?

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Guest Oct 23, 2020

628

+226

please help thanks!

Find the value of x such that
is a vector parallel to the plane through the points A = (0,1,1), B= (1,1,0), and C = (1,0,3) . read more ..

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littlemixfan Oct 23, 2020

641

+226

please help thanks!

Consider the plane through the points A = (0,1,1) B=(1,1,0), and C = (1,0,3) as well as lines along the plane in the directions of AB and AC spaced at integer multiples of those vectors:

The read more ..

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littlemixfan Oct 23, 2020

538

Work out the value of n

1/4×√2=2n

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Guest Oct 23, 2020

601

asin error

so trying to do asin(19,8) gives Error: invalid argument how do i get it to work ? i know it should be 0,339 but can't get webcalc do work.

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Guest Oct 23, 2020

664

what -9 times n and what is -9 times 4

help me plsssss

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Guest Oct 23, 2020

577

A certain organism begins as three cells

A certain organism begins as three cells. Each cell splits and becomes three cells at the end of two days. At the end of another two days, every cell of the organism splits and becomes three cells. This process lasts for a total of 8 days, and no cells read more ..

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Guest Oct 23, 2020

693

+167

VOLUME

A triangular prism has a volume of 75m^3 and a right triangular base of the area of 10m^2.
a) What is the length of the prism?
b) Sketch a possible prism.
Label its dimensions.

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kijijij Oct 23, 2020

539

HELPPP!!!

If $f(x) = 2x + 3$ and $g(x) = 3x - 2$ find $\frac{f(g(f(2)))}{g(f(g(2)))}$. Express your answer in the form $\frac{a}{b}$.

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Guest Oct 23, 2020

607

first, second and third terms, respectively, of a geometric sequence

The terms 140, a, 560 are the first, second and third terms, respectively, of a geometric sequence. If a is positive, what is the value of a ?

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Guest Oct 23, 2020

520

math quiz pls hurry

The length of a rectangle is 5 inches shorter than 3 times the width. Which expression represents the length of the rectangle in terms of the width, w? 3 w + 5 3 w minus 5 5 w + 3 5 w minus 3 pls hurryyyyy

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Guest Oct 23, 2020

526

The center of the circle

The center of the circle x^2 + y^2 = 8x - 16y - 34 with equation is the point (x,y). What is x + y?

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Guest Oct 23, 2020

442

For what value of c

For what value of c will the circle with equation x^2 + 8x + y^2 + 6y + c = 0 have a radius of length 3?

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Guest Oct 23, 2020

Oct 22, 2020

596

remainder when x is divided by 105

Suppose that x is an integer that satisfies the following congruences:
3 + x == 2^2 (mod 3^3)
5 + x == 3^2 (mod 5^3)
7 + x == 4^2 (mod 7^3) read more ..

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Guest Oct 22, 2020

-1

841

sum of all possible values of k

What is the sum of all possible values of for which x^2 + kx - 10x + 36 is the square of a binomial?

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Guest Oct 22, 2020

588

Determine the number of positive integers a less than 12

Determine the number of positive integers a less than 12 such that the congruence ax == 3 (mod 12) has a solution in x.

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Guest Oct 22, 2020

527

quadratics

There are 5 quadratics below. Four of them have two distinct roots each. The other has only one distinct root; find the value of that root.

4x^2 + 16x + 8
-x^2 + 4x + 5 read more ..

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Guest Oct 22, 2020

508

function help please

If f(0) = 0, f(1) = 2, f(2) = 5 , and ax^2+bx+c=0, what is the value of f(3)?

thanks!

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Guest Oct 22, 2020

608

what is 6 × 9 + 6 + 9

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Guest Oct 22, 2020

531

simplify

Simplify the expression 1/sqrt(2) + 3/sqrt(8) + 5/sqrt(32).

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Guest Oct 22, 2020

626

Math 021

(6) 3. In Hazlet, rental of a Fenske 26 ft moving truck costs $49.95 + $0.59 per mile and Me-Haul costs $39.95 plus $0.99 per mile.

a. Write an equation for the cost of each.
Fenske: read more ..

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Guest Oct 22, 2020

All Questions ⁺⁰237665 Questions

Three of the four vertices of a rectangle are (5,11), (6,11) and (16,-2).

complex number

What time will it be in 6666 seconds?

please help thanks!

please help thanks!

Work out the value of n

asin error

what -9 times n and what is -9 times 4

A certain organism begins as three cells

VOLUME

HELPPP!!!

first, second and third terms, respectively, of a geometric sequence

math quiz pls hurry

The center of the circle

For what value of c

remainder when x is divided by 105

sum of all possible values of k

Determine the number of positive integers a less than 12

quadratics

function help please

what is 6 × 9 + 6 + 9

simplify

Math 021

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