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Algebra
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
5 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
5 months ago
What is the y-intercept of the function fx=4-5x -5 -4 4 5.
Algebra
5 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
5 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
5 months ago
Match each geometric figure on the left with its definition on the right. A finite section of a line between any two points that lie on the line A two-dimensional surface that continues infinitely A zero-dimensional object that defines a specific location on a plane m A half-line that begins at one point and goes on forever in one direction A one-dimensional figure, which extends without end in two directions
Algebra
5 months ago
Identify what is being described by the following sentence. Choose your answer inside the box and write it on a sheet of paper. 1. The base is a polygon and its faces are triangles. 2. A solid figure having six congruent faces. 3. A solid figure having a circular base and one vertex. 4. A solid figure with 2 parallel congruent faces called bases and other faces are parallelograms. 5. A solid figure with 2 circular bases. no edges and no vertex Cone Cube Cylinder Pyramid Rectangular Prism
Algebra
5 months ago
For the 70 m long pipeline, 3 m and 5 m long pipes are used. If the price for shorter pipe is $ 10 per piece and for the other one $ 20 per piece, what is the price of the most profitable usage of pipes?
Algebra
5 months ago
In a class of 32 students the mean height of the 14 boys is 1.56 metres the mean height of all 32 students is 1.515 metres. Work out the mean height of the girls. Feedback
Algebra
5 months ago
Which sample fairly represents the population? Select two options. measuring the height of every fiftieth person on the school roster to determine the average height of the boys in the school calling every third person on the soccer team's roster to determine how many of the team members have completed their fundraising assignment observing every person walking down Main Street at 5 p.m. one evening to determine the percentage of people who wear glasses sending a confidential e-mail survey to every one-hundredth parent in the school district to determine the overall satisfaction of the residents of the town taking a poll in the lunch room where all students currently have to eat lunch to determine the number of students who want to be able to leave campus during lunch
Algebra
5 months ago
WHAT DO YOU GET iF YOU CROSS A MATH TEACHER AND A CLOCK? OManeuvering the Middle LLC
Algebra
5 months ago
3. Which of the following is a rational function? a, fx= square root of 5 b. fx= 2x-5/x-1 c. x+4 ≥ x+2/x-1 d. x-8/4x =20
Algebra
5 months ago
In which function is x=2 mapped to 32? fx=-3x2-4 gx=4x+32-68 hx=3x fx=2x-62
Algebra
5 months ago
Which phrase represents the algebraic expression 5x-9 ? the product of five times a number and nine the difference of nine times a number and five the sum of five times a number and five the difference of five times a number and nine
Algebra
5 months ago
A woodworker makes wooden checkerboards. Her profit is a function of the price she charges. This graph shows her total profits, y, based on the sales price, x, of each checkerboard. Identify any zeros of the function, and interpret what the zeros mean in terms of the situation. Selling price $ A. Zeros: x=20 and x=65 . These are the prices at which she makes the least and greatest amounts of profit. B. Zero: y=1012.5 i. This is the maximum amount of profit she can make. C. Zeros: x=20 and x=65 . These are the prices at which she neither makes nor loses money. PREVIOUS
Algebra
5 months ago
Use the situation below to answer the questions that follow. Jose lives 5 km away from the plaza. Every Saturday, he meets Emilio and Diego for a morning exercise. In going to the plaza, Emilio has to travel 6 km to the west while Diego has to travel 8 km to the south. The location of their houses and the plaza are illustrated on the coordinate plane as shown below. 2 Questions: 1. How far is Emilio’s house from Diego’s house? Explain your answer. 2. Suppose the City Hall is 4 km north of Jose’s house, How far is it from the plaza? from Emilio’s house? Explain your answer. 3. How far is the gasoline station from Jose’s house if it is 4 km south of Emilio’s house? Explain your answer. 4. What are the coordinates of the points corresponding to the houses of Jose, Emilio, and Diego? How about the coordinates of the point corresponding to the plaza? 5. If the City Hall is 4 km north of Jose’s house, what are the coordinates of the point corresponding to it? How about the coordinates of the point corresponding to the gasoline station if it is 4 km south of Emilio’s house?
Algebra
5 months ago
1.93 * 2.57=square
Algebra
5 months ago
What is the solution of square root of -4x=100 ? x=-2500 x=-50 x=-2.5 no solution
Algebra
5 months ago
* leap.cuemath.com Cuemath Leap 28, Real Convert Recurring Decimals Your class is on Thursday at 6:00 PM. Numbers to Fractings CONCEPT We have x=1.3overline 4 Rightarrow 10x=13.overline 4 Now, this can easily be converted to a fraction: 10x=13.overline 4 Rightarrow 100x=134.overline 4 tmultiplying both sides by 10 Rightarrow 100x-10x=134.overline 4-13.overline 4 subtracting the above equations x=121 the .444444 . .. part gets cancelled Rightarrow x= frac 121square 06 of 10
Algebra
5 months ago
Customer: "I am looking to decrease my bill by 25%. Can you look at my current plan and tell me what I can remove to achieve this reduction in cost? My current bill is $ 140.00 per month.' Representative: "I find that you can reduce your bill by the requested _by removing some additional features."
Algebra
5 months ago
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