Answer:

Step-by-step explanation:
Given

Required
Find c
The question is incomplete. However, I'll assume the expression is a perfect square.
To find c, we make use of the following formula

Where

By comparison with 


So,
becomes



<em>The value of c that makes the expression, </em>
<em> a perfect square is 4 and the expression is: </em>
<em></em>
Actual area = 42ft²
The actual area will simply be calculated as:
= 6 × 7
= 42 feet²
Answer:
The correct answer is £449.20 rounded upto 2 DP.
Step-by-step explanation:
Brian pays £465.98 a year on his car insurance.
The insurance company reduces the price by 3.6%.
The amount reduced by the insurance company is 3.6% of 465.98 = £16.77528.
Price the insurance company charges now is given by subtracting the previous cost with the reduction amount.
Thus the insurance cost now = £ (465.98 - 16.77528) = £449.20472 ≈ £449.20.
Thus the reduced insurance cost Brian has to pay now is £449.20 rounded to 2DP.
Answer:
380
Step-by-step explanation:
7 x 40 = 280 + C = 380
C = Commision
500 x .2 = 100
C = 100
Answer:
Step-by-step explanation:
The values of the cosine function are represented by the axis OX of the goniometric circumference (circumference centered at the origin and of radius 1). Therefore the cosine is zero for the 90º and 270º angles.