Search our library of homework questions

Top answers

All subjects

All levels

Explain how a decrease in interest rates affects real GDP and inflation. When may a decrease in the interest rate not affect real GDP?

When interest rates decrease, this decreases the cost of borrowing and reduces the reward for saving. As a result, there is a higher incentive for firms and individuals to borrow/spend and a lower incenti...

Answered by India B. • Economics tutor

16997 Views

Solve the two simultaneous equations X2 +2Y2= 18 and X - Y = 3

1) X² +2Y²= 182) X - Y = 3
Rearrange 2) in the form X=3-Y then substitute in to 1); (3-y)²+2Y²=18, this is your new equation 39+3Y+3Y+Y²+2Y^...

Answered by Rebecca C. • Maths tutor

4427 Views

at a shop in the US tax is added onto the price of an item at the till. this shop adds 5.7% of the items value to the total cost. if you buy a ball priced as $15, how much will you have to pay ?

0.057 x 15 = 0.855 total = 15 + 0.988 = 15.855

Answered by Merlin B. • Maths tutor

2961 Views

a solar cell of area 2m^2 has maximum a power output per unit area of 20W/m^2 . if four solar cells are used together at once, how much energy is release in 2 mins at max power output?

max output of 1 cell = 20x2= 40w , so four cells gives 4x40 = 160w so if it gives 160 joules a second then in 2 mins it will put out 160 x (2x60) = 19200 joules

Answered by Merlin B. • Physics tutor

1844 Views

What is the difference between cellular respiration and breathing (respiration)?

Respiration (breathing) is the way your body gets oxygen into the lungs from the air outside.Cellular respiration describes how your cells make ATP - a molecule used to provide energy for chemical reactio...

Answered by Harry C. • Biology tutor

30532 Views