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396

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How many positive integers from 1 to 1000 can be expressed as the difference of two perfect square?
(0 counts as a perfect square)

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Guest Apr 26, 2020

537

real roots

Determine the value of k for which -3x^2+12x+k=0 has no real roots.

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Guest Apr 26, 2020

497

help

What is the surface area of the triangular prism?

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Guest Apr 26, 2020

506

i'm stuck on this circle question

What is the measure of arc CED?

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Guest Apr 26, 2020

470

please help!

Find the volume of the cylinder.

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Guest Apr 26, 2020

376

help

Find the area of the shaded region.

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Guest Apr 26, 2020

746

+738

I'm very confused...

Ten points are chosen on a circle. A line segment is drawn between every pair of chosen points. How many line segments are drawn?

thank you and please help!
:) read more ..

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lokiisnotdead Apr 26, 2020

724

need help!

There are 50 students going on a class trip. 35 are student athletes and 5 are left-handed. In the student athletes group, 3 are left-handed. What is the probability that one of the students on the trip is an athlete or is left-handed?

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Guest Apr 26, 2020

495

help

Find the area of the shaded region.

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Guest Apr 26, 2020

339

cosine function help

https://prnt.sc/s606fz

Guest Apr 26, 2020

720

Help Please.

Given an obtuse triangle $ABC$ with $\angle ABC$ obtuse, extend $\overline{AB}$ past $B$ to a point $D$ such that $\overline{CD}$ is perpendicular to $\overline{AB}$. Let $F$ be the point on line segment $\overline{AC}$ such that $\overline{BF}$ is perpendicular read more ..

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Guest Apr 26, 2020

421

need help

How many 2-digit numbers are multiples of 2 but not 3?

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Guest Apr 26, 2020

461

hard

Simplify the difference

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Guest Apr 26, 2020

579

pls help

In right triangle ABC, $\angle CAB$ is a right angle. Point $M$ is the midpoint of $\overline{BC}$. What is the number of centimeters in the length of median $\overline{AM}$? Express your answer as a decimal to the nearest tenth

read more ..

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Guest Apr 26, 2020

-1

343

Arccccc lengththhththh

What is the length of the arc?

Guest Apr 26, 2020

309

help

Let A be the set of four-digit numbers A1,A2,A3,A4 where A1>A2>A3>A4,Then how many of A are possible?

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Guest Apr 26, 2020

+12

608

+773

help:(

Dmitri has a pair of standard dice; one die is blue, and the other die is yellow. He rolls both of his dice. How many ways could the number on the blue die be larger than the number on the yellow die?

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whymenotsmart Apr 26, 2020

1863

A wheel completes 5.6 revolutions in 8 seconds.

A wheel completes 5.6 revolutions in 8 seconds.
What is the angular velocity of the wheel in radians per minute?
Give your answer in exact form as a simplified fraction.

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Guest Apr 26, 2020

-1

583

help please, thanks

Find the range of
as varies over all real numbers.
Give your answer in interval notation.

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Guest Apr 26, 2020

Apr 25, 2020

696

triangle

Determine the number of possible triangles, ABC, that can be formed given C = 85°, a = 10, and c = 13.

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Guest Apr 25, 2020

429

help

Find x and y. I do not understand how to do this kind of problem.

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Guest Apr 25, 2020

361

help

What real value of t produces the smallest value of the quadratic t^2 -9t - 36?

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Guest Apr 25, 2020

431

Help please!

Given the measure of arc AB is 66 degrees

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Guest Apr 25, 2020

326

3. Suppose m = 2 + 6i, and |m+n|= 3sqr10 , where n is a complex number.

3. Suppose m = 2 + 6i, and |m+n|= 3sqr10 , where n is a complex number.

a. What is the minimum value of the modulus of n?
b. Provide one example of the complex number, n. read more ..

Guest Apr 25, 2020

426

help

Find m if the line y=mx−2 intersects y=x^2 in just one point.

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Guest Apr 25, 2020

All Questions ⁺⁰230749 Questions

Help ASAP!

real roots

help

i'm stuck on this circle question

please help!

help

I'm very confused...

need help!

help

cosine function help

Help Please.

need help

hard

pls help

Arccccc lengththhththh

help

help:(

A wheel completes 5.6 revolutions in 8 seconds.

help please, thanks

triangle

help

help

Help please!

3. Suppose m = 2 + 6i, and |m+n|= 3sqr10 , where n is a complex number.

help

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