Use the given vectors to find the specified scalar.u = 5i + 4j, v = -5i + 2j; Find (-3u) ? v.
A. 30
B. 51
C. -36
D. -18
Answer: B
Mathematics
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The following table shows the height, in centimeters, of a flower ?d days after it sprouts.
11465796
3142124?
What is the height of the flower after 11 days?
What will be an ideal response?
Mathematics
Decompose the fraction into partial fractions.
?
What will be an ideal response?
Mathematics
Write the phrase as an algebraic expression. Let x represent the unknown number.Seven times a number decreased by 23
A. 23 - 7x B. 23x - 7 C. 7x - 23 D. 7x + 23
Mathematics
Answer the question or complete the sentence to make a true statement.Under what condition will the sum of a positive number and a negative number be positive?
What will be an ideal response?
Mathematics