I do not understand this question
Answer:
Equation for the function: y=8x+20
Step-by-step explanation:
8 represents points per item/rate of change
20 represents the y intercept or what the person gains in the beginning that doesn't change.
8(16)+20
128+20
=148
After making 16 purchases the person will have 148 points.
Answer:
7 Quarters and 3 dimes
Step-by-step explanation:
You have to find how many quarters (0.25) and dimes (0.10) are in $2.05. There are 7 quarters, which will add up to $1.75. You can't have 8 quarters because then you would have 2 dollars, and there wouldn't be enough for a dime, there would only by 5 cents left, or a nickle. Then, you find out how many nickels you need, which is 3.
.10x3=.30. 1.75+0.3=2.05.
I hope you understood:)
Answer:
x = -59/66
Step-by-step explanation:
Solve for x over the real numbers:
log(7) - log(x + 1) = log(66)
Subtract log(7) from both sides:
-log(x + 1) = log(66) - log(7)
Multiply both sides by -1:
log(x + 1) = log(7) - log(66)
log(7) - log(66) = log(7) + log(1/66) = log(7) + log(1/66) = log(7/66) = log(7/66):
log(x + 1) = log(7/66)
Cancel logarithms by taking exp of both sides:
x + 1 = 7/66
Subtract 1 from both sides:
Answer: x = -59/66
Answer:
Step-by-step explanation:
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