Mathematics

Malia had 15 lb of birdseed. She fed her birds 5 lb of birdseed every day until all the birdseed was gone. For how many days did Malia feed the birdseed to her birds? A.20 days B. 3 days C.90 days D.75 days
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Find the measure of each labeled angles in the rhombus below:
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Optimize: e-222-4xy-2y2 (1 point) Consider the optimization problem: Subject to 0x2 4xy + ly2 = 10 The method of Lagrange gives a system of three equations in three unknowns that you must solve to find the critical points. Write out those three equations (in any order). Use an l' in place of the usual .. =
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The vector uu has magnitude 22 and direction 55. 55 . If vector v=2u,v=2u, then what is the magnitude and direction of vector v?v? Write your direction in degrees in the interval 0
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the figure above, AB is parallel to DE; (ABC = 800 and (CDE = 280. Find (DCB.(3mks)
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Describe the graph proportional relationship represented by the equation y=5.5x
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Your friend purchased a medium pizza for 10. 32 with a 30% off coupon what is the price of the pizza with out a coupon
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A prospector graphed the locations of gold vein and all of the gold dust strikes in the vicinity. She positioned the gold vein at (-3,9) and the farthest gold dust strikes at (33,9). If each unit on the graph represents 1 mile then how far away from the gold vein is the farthest gold dust strike?
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What is 7-12 problems. The image is attached.
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A random sample of 18 observations taken from a normally distributed population produced the following data:28. 4 27. 3 25. 5 25. 5 31. 1 23. 0 26. 3 24. 6 28. 437. 2 23. 9 28. 7 27. 9 25. 1 27. 2 25. 3 22. 6 22. 7What is the point estimate of ?Make a 99% confidence interval for . What is the margin of error of estimate for in part b?
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can someone help me answer #17 using square roots?
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Work out without a calculator.45120
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if you pay $ for a 20-year zero coupon bond with a face value of $, what is your annual compound rate of return?
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Suppose you have a bag of m&ms 4 green 6 yellow 7 purple 3 red. what is the probability you select a brown m&m
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A sphere has a radius of 12 cm. a cylinder has the same radius and has a height of 12 cm. what is the difference in their volumes in cubic cm? record your answer to the nearest hundredth. use 3.14
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Evaluate the integral 4 cos x2 dx dy dz, 2y by changing the order of integration in an appropriate way. CILLS
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2 Decide if each statement about r = 6 is true or false. Choose True or False for each statement. a. The equation has the same solution as fr = 3. True False
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A normal distribution curve, where x = 70 and o = 15,was created by a teacher using her students' grades.What information about their performances can be obtained by analyzing the curve?
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Find the areas of the trapezoids.
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Given square ertn, what is the length of nt?
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Describe the transformation of f(x) to g(x).A. f(x) is shifted up 1 unit to g(x).B. f(x) is shifted down pi/2 units to g(x). C.f(x)is shifted up pi/2 units to g(x).D. f(x) is shifted up 2 units to g(x).
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You can only make four different cuboids with 12 cubes complete the table to show the dimensions
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A triangle has side lengths of (7m 2) centimeters, (9m - 5) centimeters, and(6n 1) centimeters. which expression represents the perimeter, in centimeters, ofthe triangle?
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The figure below is not drawn to scale. The height of the triangle ABC is 2 cm shorter than its base. Find the area of the shaded portions
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