Length of OP= sqrt 10
Length of PQ= sqrt(t^2+2t+2)
Length of OQ= sqrt(t^2+16)
Using Pythagoras thorem,
10+ t^2+2p+2=t^2+16
t=2
Answer:
The answers are respectively 45, 62.5 and 27.5 degrees.
Step-by-step explanation:
According to the given explanation and the formula in the question to calculate the temperatures in a city, the maximum afternoon temperatures for March, August and October respectively are;
March: For March, x = 3 and cos(
) or cos(
) is equal to 0 so when inserted into the equation we find that t = 45 - 35.0 = 45
August: For August, x = 8 and cos(
) is equal to -0.5 so when inserted into the equation we find that t = 45 - 35.(-0.5) = 62.5
October: For October, x = 10 and cos(
) is equal to 0.5 so when inserted into the equation we find that t = 45 - 35.(0.5) = 27.5
I hope this answer helps.
Answer:
x=-2
Step-by-step explanation:
Since it's a vertical line the answer is going to be x= which ever number the line is on. In this case x=-2
Answer:
$67.50
Step-by-step explanation:
Multiplying $100 by 0.75 results in $75. This price reflects the 25% off discount.
Multiplying this $75 by 0.90 results in $67.50. This price reflects both the initial 25% discount and the additional 10% discount.
45 times with a remainder of 2