Mathematics, 04.02.2021 20:10 zah16
Read the paragraph.
Sand dollars live on the seafloor. They eat plankton and crab larvae. They use spines and grippers on their body’s surface to capture this food. Then tiny hairs transport the food to a central mouth on their bottom side. The mouth has a jaw to grind up the tiny food particles. Food may take two days to digest.
What is the central idea of the paragraph?
Sand dollars have complicated bodies that make it difficult to hunt for food.
Sand dollars dive down deep to find plankton, crab larvae, and sea creatures.
Sand dollars use their body features to capture, transport, and eat food.
Sand dollars are clever because their mouths are hidden from their predators.
Answers: 1
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which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125
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Which of the following transformations will always produce a congruent figure?
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Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.
Answers: 2
Read the paragraph.
Sand dollars live on the seafloor. They eat plankton and crab larvae. They use...
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