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Algebra
Whot is its velocity at the highest point? What is its velocity when it retumed to the elevation from where it was thrown? What is its acceleration at the highest point? What is its acceleration just before it hits the ground? After 1 second what is the acceleration of the ball? A. O m/s B. 0 m/s2 C. 8 m/s2 D. -9.8 m/s2 E、 10 m/s2 F. -10 m/s G.cannot be determined
Algebra
2 months ago
What are the zeros of the quadratic function fx=2x2+16x-9 ? x=-4- square root of 7/2 and x=-4+ square root of 7/2 x=-4- square root of 25/2 and x=-4+ square root of 25/2 x=-4- square root of 21/2 and x=-4+ square root of 21/2 x=-4- square root of 41/2 and x=-4+ square root of 41/2
Algebra
2 months ago
Perform the indicated operations. 1. 2-5+-3-7 2. 27/-9-3-2 3. 16+42-2 * 3-34 4. 42/ 7 * [39/3-8] 5、 32+2[5 * 24-6]-48/24 Solve each problem 6. Multiply the sum of 4 and 10 by 7. 7. Subtract 4 from 10, then multiply by the quotient of 24 and 3 8. Divide the sum of 24 and 4 by 7 then subtract from the cube of 5 Using the following values a=5 b=10 , and c=15 , perform the indicated operations. 9. atb-5c/a 10. 2ab-45/a
Algebra
2 months ago
What is the length of segment LM? units K
Algebra
2 months ago
Which characteristic of a data set makes a linear regression model unreasonable? a slope close to 0 a correlation coefficient close to 0 a slope close to -1 a correlation coefficient close to -1
Algebra
2 months ago
1. Find the common difference in the arithmetic sequence 3, 13/4, 7/2, 15/4, ... a. ½ b. 4 c. 5/2 d. 4
Algebra
2 months ago
What is the y-intercept of the function fx=4-5x -5 -4 4 5.
Algebra
2 months ago
The horsepower, Hs ,required for a racecar to overcome wind resistance is given by the function Hs=0.003s2+0.07s-0.027 , where s is the speed of the car in miles per hour. What is the average rate of change in horsepower per unit speed if the racecar increases in speed from 80 mph to 100 mph? 1.64 0.61 20.0 12.2 =
Algebra
2 months ago
30.How many congruent triangles are formed when a diagonal of a parallelogram is drawn? b. 1 b. 2 c. 3 d. 4 31. Base angles of an isosceles trapezoid are a. Complementary b. supplementary c. congruent d. adjacent 32. All of the following are properties of a paralleloqram EXCEPT a. Diagonals bisect each other . c. Opposite angles are congruent. b. Opposite sides are congruent. d. Opposite sides are not parallel. 33.In the given parallelogram LOVE. LO and EV are a. Congruent angles b. congruent sides c. congruent diagonals d. none of the above 34.If LOVE is a parallelogram and SE=6 what is SO? a. 3 b. 6 b. c. 12 d. 15 35.Ina rectangle KAYE, YO=18 cm find the length of the diagonal a. 6 cm b. 9 cm c. 18 cm d. 36 cm 36. In rectangle KAYE. KY and AE are a. Congruent angles b. congruent sides c. congruent diagonals d. none of the above 37. In the same fiqure of number 36, what segment is congruent to overline KE 2 a. overline YE b. overline KA c. vector AY d. overline KY 38. Find the length of a diagonal of a kite whose area is 176 square meters >e and its diagonal is 16 cm long a. 22 cm b. 24 cm c. 26 cm d. 28 cm 39. Given a quadrilateral ROPE is a kite. Answer the question What is the segment congruent to overline OW ? a. overline FE b. overline OP c. overline HYR d. R/PV 40. STAR is a rhombus with diagonal RT. If m∠S 5TR=3x-5 and m angle AR' x+21 , what IS,m mangle RAT? a. 13 ° b. 34 ° c. 68 ° d. 112 °
Algebra
2 months ago
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