If (9x − 4)(9x + 4) = ax2 − b, what is the value of a?
the value of a is...
Mathematics, 02.12.2019 13:31 bryneosburn
If (9x − 4)(9x + 4) = ax2 − b, what is the value of a?
the value of a is
Answers: 2
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What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9
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Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.
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The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost
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In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?
Answers: 1
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