45 is exactly half of 90
that means 45 is 50% of 90.
Answer:
Step-by-step explanation:
Parallel lines divide the transversals proportionally.
<u>Correct choice is A only, the other options concern the parallel lines themselves:</u>
I inch per hour for 2 hours = 2 inches
2 inches per hour for 6 hours = 6*2 = 12 inches
1 inch per hour for 1 hour = 1 inch
2+12+1 = 15 inches of snow total
To help you with the equation you should know that 40 is halfway between 35 and 45. That would mean that orange juice would make half of the mixture. It would also be the same for grapefruit juice. That would make it 100 liters of orange juice and grapefruit juice.
The answer is number 2
Since it has a negative exponent, the equation is showing exponential decay. The graph will decrease. In order to find the percent of change, we need to review our exponent properties. The product property tells us that when we raise a power to a power, we multiply the exponents. This means we can view our exponent of -2x as the product of two exponents, -2 and x. This would look like. We know that negative number exponents tell us to "flip" sides of the fraction, so that tells us that 4⁻² = 1/4² = 1/16. We can then rewrite our equation as
Exponential decay is in the form y = a(1-b)ˣ. From our equation, a = 1. We know that 1-b = 1/16; this means that b must be 15/16. Thus our percent of decrease would be 15/16 = 0.9375 = 93.75%.