# Gilbert

Popular questions and responses by Gilbert
1. ## Algebra

A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of \$13 and then an additional 6 cents per minute of use. In Plan B, there is no monthly fee, but the customer pays 8 cents per minute of use. For what amounts of

2. ## electrical circuit

A 72-ohm coil of wire is connected in series with an adjustable resistor (rheostat) whose resistance can be varied from 0 to 88 ohms. If the line potential is 115 volts, calculate (a) the range through which the coil current can be varied, (b) the rheostat

3. ## chemistry

Woiuld you expect jewelry made from an alloy of silver and copper to tarnish (oxidize) in a laboratory where fumes of bromine are present? I think that it wouldn't because the bromine fumes are probably not ions, and even if they were they would not react

4. ## Physics

A car of mass 1900kgs accelerates from rest to a speed of 27ms-1 in 8.1s.Calculate the average rate at which kinetic energy is supplied to the car during the acceleration.

5. ## WTI

1LB of ice at 20 deg f exerts its force downward. after the ice has absorbed 200 BTU's what direction will the force be exerted? After absorbing 2000 BTU's what direction will the force be exerted?

6. ## physics

A phone cord is 4.75 m long. The cord has a mass of 0.200 kg. A transverse wave pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.900 s. What is the tension in the cord?

7. ## physics

A phone cord is 4.75 m long. The cord has a mass of 0.200 kg. A transverse wave pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.900 s. What is the tension in the cord?

8. ## physics

A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 7.30 cm. If the cork is 12.0 m from shore, how long does it take a ripple passing the cork to reach the shore?

9. ## Mathematics

Factorize completely: 3x²-2xy-y

10. ## physics

The frequency of vibration of an object-spring system is 8.00 Hz when a 3.00 g mass is attached to the spring. What is the force constant of the spring?

11. ## Life sciences

Two controlled (fixed )variables

12. ## math

Calculate the value of the following, without using a calculator, leaving answers, where necessary, in simplified surd form: (a). sin 120° + tan 300° (b). tan 315° × cos330° / sin(-240°) × sin 570°

13. ## c++ programming language

Write an algorithm,flow chart, psuedo codes and finally a c++ codes that will accept exams scores for 5 users.

14. ## math

A girl was born 25 years after her mother. What fraction of her mother's age will the girl be at the age of 10

15. ## math

at what rate converted every 3 months will a sum of money triple itself in 18 years and 6 months.

16. ## math

Is 3/7 greater or less than 15/56

17. ## Probabilty

Biased coin has a 0.4 probability of landing on tails. The random variable x, based on a single toss of the coin, is defined as follows: x=0 if heads appears; x=1 if tails appears. What Is the mean value of X? Is it . 0.3 .4 .6 .5 .7

18. ## Calculus

What is the sum of all the odd #s between 100 & 200??

19. ## math

a spinner with 8 sections has 2 blue and 1 yellow section. What 's the (p) of one spin landing on blue and one spin landing on yellow. The answer is 1/16 Why?

20. ## math

if Charlie earns 3/4 of what joan earns. and together they earn 490.00 a week. How much does charlie make?

physics

22. ## math

how mant 5ths are in the number 1

23. ## science

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

1. ## Math

This is so hard my mom is having trouble uhhhhjj

posted on December 4, 2019
2. ## college English

Yes, thank you. Agreed.

posted on August 9, 2019
3. ## math

posted on October 14, 2018
4. ## physics

how can i answer this question?

posted on October 3, 2018
5. ## math

1:64

posted on June 22, 2016
6. ## math

25 ft

posted on December 14, 2015
7. ## MATH

A=-4x^2+40x By completing the square A= -4(x^2-10x+25)+100 A= -4(x-5)^2+100 Vertex is (5,100) Max is 100 ft

posted on December 3, 2015
8. ## Math

idgaf and idk

posted on August 31, 2015
9. ## Statistics

fach u

posted on May 5, 2015
10. ## physics

Well you see the coefficient of friction is zero and the air resistance is too strong thus the projectile would go the speed of light and end the entire human race as we know it would come to an end. It would be better to not accelerate that object.

posted on December 31, 2014
11. ## electrical circuit

i've gotten (a) 0.72 to 1.6 amp; (b)17.7 ohms

posted on August 24, 2014
12. ## German

So, although my German is rather rusty, here is what I can do; Mein guter Freund heißt Meaghan. Sie ist intelligent und freundlich kleinen tolerant. Sie hat lange blonde Haare. Sie spricht und liest Spanisch. Ich gehe mit Freunden herumhägen das

posted on December 9, 2012
13. ## Literary Analysis and Composition

Works such as "To Build a Fire" gave Naturalist writers such as Jack London a platform to argue that

posted on January 21, 2011