A lawn sprinkler is located at the corner of a yard. The sprinkler is set to rotate through 90
and project water out 53 feet. What is the area of the yard watered by the sprinkler?
?
If the answer needs rounding, round it to three significant digits.
?
A = __________ feet2
What will be an ideal response?
2,210
Mathematics
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Find the unit tangent vector of the given curve.r(t) = (10 + 10t7)i + (3 + 11t7)j + (9 + 2t7)k
A. T = 10i + 11j + 2k
B. T = 
i + 
j + 
k
C. T = 
i + 
j + 
k
D. T = 
i + 
j + 
k
Mathematics
Which of the following curriculum documents was produced by the American Statistical Association?
a. Curriculum and Evaluation Standards for School Mathematics b. Principles and Standards for School Mathematics c. Guidelines for Assessment and Instruction in Statistics Education d. Common Core State Standards
Mathematics
Solve.A stove sells for $731. If the sales tax rate is 7.9%, what is the total price?
A. $57.75 B. $788.75 C. $1308.49 D. $577.49
Mathematics
Write the inequality in interval notation.x > 0
A. [0, ?) B. (0, ?) C. (-?, 0] D. (-?, 0)
Mathematics