y=400+50x
y=300+25x
Step-by-step explanation:
x is the number of minutes and y is the total cost
Answer:
B. x = -1 and x = 3
Step-by-step explanation:
The zeros of a quadratic function are where the lines insect the x-axis. This means that the y value will always be 0 and the x value will be any real number
The factors of 96 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96
You forgot to include 8 and 32.
276.45 divides by 5.82 = 47.5
The Harper family was traveling at a rate of 47.5 miles per hour
9514 1404 393
Answer:
cot(θ) = 24/7
Step-by-step explanation:
A suitable calculator can answer this nicely.
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Perhaps you're expected to remember relevant trig identities.
tan(θ)^2 = sec(θ)^2 -1
cot(θ) = 1/tan(θ)
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cot(θ) = 1/√(sec(θ)^2 -1)
cot(θ) = 1/√((25/24)^2 -1) = 24/√(25^2 -24^2) = 24/√49
cot(θ) = 24/7