All Questions ⁺⁰238470 Questions

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953

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+537

Help!

1. For how many integers a does the polynomial x^2 + ax + 10a have integer roots?

2. Find a+b+c if the graph of the equation ax^2+bx+c is a parabola with vertex (5,3), a vertical axis of symmetry, read more ..

MathCuber Oct 13, 2019

+8

874

1

+394

Find the Amplitude of the following function.

Find Amplitude of the following function..

y=2.5cos(4x)cos(4x)-2.5sin(4x)sin(4x)

hellospeedmind Oct 13, 2019

+2

928

3

:) Hwlo

Problem:
The last day of the school year was a Wednesday. Students then have a 77-day summer break. On what day of the week will the next school year start?

Guest Oct 13, 2019

+2

467

0

Help please.

I need help with this question please.

Guest Oct 13, 2019

+1

632

1

Help

Sergeant Rote goes to bed at 1 o'clock. He sleeps for 3 hours, then wakes up, and immediately falls back asleep for 3 more hours. He does this 155 times in total. What time is it when he finally gets up? (Ignore AM/PM)

Guest Oct 13, 2019

+1

1323

1

Helppppp

Two congruent cylinders each have radius 8 inches and height 3 inches. The radius of one cylinder and the height of the other are both increased by the same nonzero number of inches. The resulting volumes are equal. How many inches is the increase? Express read more ..

Guest Oct 13, 2019

+1

1147

6

Stuck

Let n be the number of ordered quadruples of positive odd integers that satisfy the equation . Find n.

●●●●●●

Guest Oct 13, 2019

+1

1015

4

Need Help

A chess rook is on the leftmost cell of the 1×30 lane and can move any number of cells, but only to the right. In how many ways can the rook move to the rightmost cell?

Guest Oct 13, 2019

+1

1193

1

Pretty much stuck

Rocco is a member of the Aviation Club, which has 12 members. The members need to choose a 3-person Helicopter Committee and a 4-person Glider Committee. A member can serve on one of the committees or both. Rocco refuses to serve on both (but he can serve read more ..

Guest Oct 13, 2019

+1

599

1

what happened to the classic vector image ad

Has the legend gone for good?

off-topic

Guest Oct 13, 2019

+2

632

1

Help!

Thanks a million times!

Guest Oct 13, 2019

+1

626

1

Help with Geometry

Guest Oct 13, 2019

+1

550

1

Need some help with Geometry

Guest Oct 13, 2019

-1

801

1

Help!

Guest Oct 13, 2019

0

853

1

+234

math question

Person A deposits $2700 in an account that pays 3% interest compounded once a year. Person B deposits $2300 in an account that pays 4% interest compounded monthly.

a. Who will have more in their after one year? how much more? read more ..

skye25 Oct 13, 2019

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859

1

+101

help would be greatly appreciated

The square of the non-real complex number z is equal to the conjugate of z. What is the real part of z?

chclt363 Oct 13, 2019

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777

1

PLZ HELP ASAP

Complex number z lies on the circle centered at 0 with radius 5. What is ?

Please help as soon as possible!!!!!
read more ..

Guest Oct 13, 2019

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756

0

+155

Math Question help

Valeriia222 Oct 13, 2019

0

533

0

Matrices

need help pls have trouble with these

Guest Oct 13, 2019

0

792

1

+155

need help pls have trouble with these

need help pls have trouble with these

Valeriia222 Oct 13, 2019

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