# Questions Asked onMarch 30, 2020

1. ## Algebra

Sinusoidal functions A pendulum is swinging back and forth. After t seconds, the horizontal distance from the bob to the place where it was released is given by H(t)=7−7cos( 2π(t−2)/20). How often does the bob cross its midline?

2. ## Math

A man spent 2/5 of his salary on food and 1/4 on transport. What fraction of the salary was left

32. ## science

Some dairy farmers want to increase the amount of milk produced by their cows. How can the farmers use selective breeding to increase milk production?

33. ## Science

How many potassium ions are there in 15g of potassium nitride

34. ## math

The perimeter of a room is 50m.The length exceeds the width by 3.3m.Find the length of the room.

35. ## math

Two towns P and Q lie on the same parallel latitude such that P is due east of Q. When local time at Q is 9.50am , the local time at P is 3.12pm. ( a) Find the longitude difference between P and Q (2mks) ( b) Given that the longitude of P is 52°E , find

36. ## chemistry

When 34.8grams of potassium sulphate was dissolved in 500cm cubed distilled water.calculate :the concentration of potassium sulphate in grams/litre.the molarity of the solution

nx+15=6y

83. ## Accounting

Barclay Company’s tea distribution center in Boston suffered severe fire damage on April 28, 2014. You have been hired by Barclay to estimate the amount of fire loss for insurance purposes. Barclay uses the perpetual inventory system and last conducted a

84. ## math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. A triangle has 2 congruent sides. The angle between the 2 congruent sides is labeled x. The angles opposite of the 2 congruent sides each measure 65

85. ## math

what is the value of n in the equation nx+15=6y would give you a slope of 2

86. ## art

lesson 3 assessment unit two middle school digital art and design unit 2: say cheese question 13 goes as follows the last phase of taking a picture is what? editing balancing formatting contrasting is it formatting?

87. ## Physics

2. Through which circuit would you expect the most current: a battery connected in series to a 10 Ω resistor or a battery connected in series to a 20 Ω resistor?

88. ## social studies

4. Why was India divided into two countries when it won independence from Britain? 5. What caused the civil war in Sri Lanka? 6. What is the major source of conflict between India and Pakistan today? 7. What is the caste system? How does it result in

89. ## Math

Find the product 1. (2x)(10x) A: 20x B:12x C: 20x^2 D 5x 2. -3m(m+8) A:-3m^2+24 B:-3m^2-24m C:-24m^2 D:-4m+5 My answers: 1=a, 2=b (Having more trouble with 2 but I dont know if 1 is right) Theres two more questions but I'm gonna try to do them without help

90. ## Physics

What is the role of diodes in voltage and current flow ?