Mathematics, 22.04.2021 18:30 meganxc98
For problems 1β4 below, let = (3, and = (5, β2.β1) and let k = β4 (a scalar). 1. Determine whether the following are vectors, scalars. or undefined, If the value is defined, use the values above to evaluate, If the value is undefined, clearly explain why. 2. Verify that lla112 β 11b 112 3. Find the vector projection of Γ© onto B, 4. Find the area Of the parallelogram formed by and Proof-type problems 5. Do the following: a. Prove that if two vectors are orthogonal, then their dot product is zero. b. Show that and (as defined in part l) are orthogonal c. Explain why it must be the case that kΓ₯ and kb are orthogonal. 6. Complete one of the following: a. use the definition of dot product to prove that it β’ ii = b. Prove that i X F c. (Extra Points for this one) Suppose that Iliill = 2 and llvll = 5 and llΓΌ X 1311 = 6. Find Γ€β’ΓΆ. solution
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Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?
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Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.
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For problems 1β4 below, let = (3, and = (5, β2.β1) and let k = β4 (a scalar). 1. Determine whether t...
Mathematics, 29.11.2019 03:31
Mathematics, 29.11.2019 03:31