Here there are 20 members in all.
Each member paid $2.60.
Total amount paid by members = 20 × 2.60 = $52
The club paid $47.50 to hire the hall. ......Answer
Hence the amount received by the hall = 52 - 4.50 = $ 47.50
The Hall charged $47.50 as the fee.
Answer:
yo number 1
Step-by-step explanation:
High school math tip: learn how to apply the ratios 1:1:√2 for the 45/45/90 right triangle and 1:√3:2 for the 30/60/90 triangle; these two triangles probably constitute 90% of the examples and problems you'll see.
He we have half a square, the 45/45/90 isosceles right triangle, sides in ratio 1:1:√2. We write that ratio for our sides and solve.
1:1:√2 = (3/2)√2 : y : x
Ratios are pretty much like fractions, and we can make fraction equations out of corresponding pairs:
1/1 = ( (3/2)√2 ) / y
y = (3/2)√2
1 /√2 = (3/2)√2 / x
x = (3/2)√2 × √2 = (3/2)(2) = 3
Answer: y = (3/2)√2, x = 3
It's not too hard to get fast at these and just say y=(3/2)√2 because it's an isosceles triangle and x = y×√2 = 3 for the hypotenise.
Answer:
-24
Step-by-step explanation:
First find f(3), which is the value of the blue line when x =3
f(3) = -2
Then find g(-1) which is the value of the red line when x= -1
g(-1) = 6
-6 f(3) - 6*g(-1)
-6*-2 - 6(6)
12 - 36
-24
The rate of change for one hour is 4°.
When you look at the problem it says the temperature dropped 24° in 6 hours . So if you divided 24 by 6 you get 4 which is the rate at which the temperature dropped per hour.
