All Questions ⁺⁰237643 Questions

0

517

1

find the roots of the equation

find the roots of the equation y = x^2 - 2x - 15

Guest Feb 22, 2019

0

721

2

simplify m^5 * m^-9

Guest Feb 22, 2019

0

547

1

help

Guest Feb 22, 2019

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613

7

Determining the exact angle?

Angle θ is in quadrant II and sin θ = . Determine the exact value for sin (θ + ).

So I know this is on the triangle 5 - 12 - 13; here's what I've done:
read more ..

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Guest Feb 22, 2019

0

607

2

log help

http://prntscr.com/mog8lh

Guest Feb 22, 2019

0

600

1

Need Help

A rectangular building is 4 by 6. A dog is tied to a rope that is 10 units long, and the other end is tied to the midpoint of one of the long sides of the building. Find the total area of the region that the dog can reach (not including the inside of the read more ..

ElectricPavlov ●

Guest Feb 22, 2019

0

896

1

+22

Math

https://web2.0calc.com/questions/hello-it-s-tori-again-i-need-help-on-a-few-more-questions-they-re-multiple-choice-thank-you#r1

Would it be possible to get these questions answered? Please and thank you!

thorn Feb 22, 2019

0

553

1

Determining the exact angle?

Angle θ is in quadrant II and sin θ = . Determine an exact value for cos 2θ.

Since angle θ is in quadrant II for cos 2θ, I used the CAST rule and I inquired that this value must be negative.
read more ..

Guest Feb 22, 2019

+1

1276

2

+368

For how many integers n between 1 and 11 (inclusive) n/12 is a repeating decimal?

For how many integers between 1 and 11 (inclusive) is n/12 a repeating decimal?
I can obviosly guess and check this, but I want the actual way.

Badada Feb 22, 2019

+2

1373

1

+2864

Combination

A combination lock uses three integers in the combination, and the dial is numbered with the integers 0, 1, 2, and 3. If the consecutive numbers in the combination cannot be the same, how many possible combinations are there?

read more ..

ElectricPavlov ●

CalculatorUser Feb 22, 2019

+3

805

0

+193

anyone need help, i will do my best

My pleasure to help everyone

bigbrotheprodude Feb 22, 2019

+2

932

1

+193

HELP !!!

The owner of the Good Deals Store opens a new store across town. For the new store, the owner estimates that, during business hours, an average of 90 shoppers per hour enter the store and each of them stays an average of 12 minutes. The average read more ..

bigbrotheprodude Feb 22, 2019

+2

981

2

+193

need help with it

If 3x−y=12, what is the value of 8x2y?
A) 212
B) 44
C) 82
D) The value cannot be determined from the information given.

bigbrotheprodude Feb 22, 2019

0

1101

1

Epicenter

The epicenter of an earthquake is the point on Earth’s surface directly above the earthquake’s origin. A seismograph can be used to determine the distance to the epicenter of an earthquake. Seismographs are needed in three different places to locate an read more ..

Guest Feb 22, 2019

+1

854

6

+322

Derivatives

Differentiate with respect to t.
y = a cos(t) + t^2 sin(t)

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Ruublrr Feb 22, 2019

+1

915

8

+22

Math

The chart shows the cost of a used car -- of a specific model and year -- at different total mileages. Using a graphing calculator, find the equation for the line of regression, the Pearson product-moment correlation value (r), and the predicted mileage read more ..

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thorn Feb 22, 2019

+2

912

1

+2864

[deleted]

CalculatorUser Feb 22, 2019

0

747

1

+12

Help!

One hydrogen molecule has a mass of 2.016 amu. How many hydrogen molecules would there be in a pound of hydrogen?

mathnigga01 Feb 22, 2019

+1

839

1

+257

Aops: Function compositions

Let f(x)=3x+w2 and g(x)=ax+b, for some constants a and b. If ab= 20 and f(g(x))=g(f(x)) for x=0,1,2,3...9, then find the sum of all possible values of a

SydSu22 Feb 22, 2019

-5

766

4

+73

Solve each one:

Solve each one!

GAMEMASTERX40 Feb 22, 2019

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691

1

+12

Help!

The density of urine ranges from 1.01 g/ml to 1.03 g/ml.

a. What is the density of a 0.75 liter urine sample that has a mass of 765 g?
b. Why can urine density change? read more ..

mathnigga01 Feb 22, 2019

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634

2

+12

PLEASE HELP ME

A 135 pound patient is to receive a medication dose of 0.5 mg per kg of body mass. The medication is available in 120 mg/ml. How many ml of medication should the patient receive?

mathnigga01 Feb 22, 2019

-5

795

6

+73

Solve each one!

Solve each one!

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GAMEMASTERX40 Feb 22, 2019

0

500

1

Help hard quick

Consider the projection matrix P that satisfies

Use the picture below to find vectors with integer components and magnitude no greater than 8 that satisfy
List your answers as columns in increasing order of x-component. read more ..

Guest Feb 22, 2019

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