Answer: A The first Answer to the left
Step-by-step explanation:
Answer: D
Step-by-step explanation:
it goes up by one in sides , count the sides
The height attained by an objects thrown from ground level is given by the equation:
At maximum height, v = 0, we assume
then we have:
Therefore, the <span>minimum speed that the stone should be thrown so as to reach a height of 49 feet</span> is 56 feet per second.
Answer:
She was wrong in her analysis because the sales discount of 25% is the discount on the original cost of the dress and not the purchasing cost of the dress as explained below:
Step-by-step explanation:
From the question:
Purchasing cost price of the dress = £30
However, this cost (£30) was after a 25% Sales Discount
It, therefore, implies that £30 is equal to 75% of the cost price
75% of the original cost price = £30
100% of the original cost price = (30 x100%)/75%
Original cost price = £40
Therefore the 25% discount / savings on the cost
= £ (40-30)
= £10
She saved £10 by buying the dress at £30 instead of the original cost of £40
Answer:
See proof below
Step-by-step explanation:
One way to solve this problem is to "add a zero" to complete the required squares in the expression of xy.
Let and with . Multiplying the two equations with the distributive law and reordering the result with the commutative law, we get
Now, note that by the commutativity of rational integers. Add this convenient zero the the previous equation to obtain , thus xy is the sum of the squares of .