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Algebra
1 Which of these numbers cannot be a probability? a. 20% b.0.5 c. 1.001 d.0 2 A jar contains 3 red marbles, 7 green marbles and 10 white marbles. If a marble is drawn from the jar at random, what is the probability that this marble is white? a. 3/20 b.7/20 c. 1/20 d½ 3 A quiz contains three multiple choice-type questions and two true/false-type questions. Suppose you guess the answer randomly on every question. The table below gives the probability of each score.. Score 0 1 2 3 4 5 Probability 0.105 0.316 0.352 0.180 0.043 0.004 What is the probability of failing the quiz getting 0, 1, 2, or 3 correct by guessing? a. 0.047 b. 0.575 c. 0.773 d. 0.953
Algebra
5 months ago
Using the floor plan work out to 2 decimal places: The area in each room. The total area that needs to be carpeted. The total cost to carpet the house. Total Area m2 Total Area $ Carpet Price: $ 128.00p/m2
Algebra
5 months ago
Directions: State the null and the alternative hypotheses of the following statements 1. A medical trial is conducted to test whether or not a new medicine reduces uric acid by 50%. Ho: Ha: 2. We want to test whether the general average of students in Math is different from 80%. Ho: Ha: 3. We want to test whether the mean height of Grade 8 students is 58 inches. Ho: Ha: 4. We want to test if LPIHS students take more than four years to graduate from high school, on the average. Ho: Ha: 5. We want to test if it takes less than 60 minutes to answer the quarterly test in Calculus Ho: Ha: 6. A medical test is conducted to determine whether or not a new vaccine reduces the complications of dengue fever. Ho: Ha: 7. The enrolment in high school this school year increases by 10%. Ho: Ha: 8. The intelligence quotient of male grade 11 students is the same as the female students. Ho: H_a: 15 9. The school want to test if the students in Grade 7 prefer online distance learning as the method of instruction. Ho: Ha: 10.The school librarian wants to find out if there was an increase in the number of students accessing the school library. Ho: H_a
Algebra
5 months ago
Write a two-column proof. Given: 7y=8x-14;y=6 Prove: x=7
Algebra
5 months ago
What is the absolute value of the complex number -4- square root of 2i ? square root of 14 3 square root of 2 14 18
Algebra
5 months ago
The graph of a function g is given. a Find g-4,g-2,g0,g2 , and g4. g-4=3 g-2=2 g0=-2 g2=[1,3 Your answer cannot be understood or graded. More Information g4=0 b Find the domain and range of g. Enter your answers using interval notation. domain [-4,2],2,4] range [-2,3]
Algebra
5 months ago
Orly uses 2 cups of raisins for every 8 cups of trail mix she makes. How many cups of trail mix will she make if she uses 10 cups of raisins? 40 cups 1 3/5 cups 8 cups
Algebra
5 months ago
What are the key aspects of the graph of fx=x2-b2, where b is a real number?
Algebra
5 months ago
Which expression is equivalent to 9p-3p+2 8p 14p 6p+2 9p-1
Algebra
5 months ago
What I Know Choose the letter of the best answer. Write the chosen letter on a separate sheet of paper. 1. A sepak takraw that is kicked from a height of two meters follows a path that is a. circular b. linear c. hyperbolic d. parabolic 2. At the highest point of its flight, a ball thrown upward will have zero a. acceleration b. velocity c. mass d. a and c 3. In a projectile motion, which velocity component is affected by the force of gravity? a. the horizontal component b. the vertical component c. both the horizontal and vertical components d. neither the horizontal nor the vertical components
Algebra
5 months ago
1.1.9 If the mine winch drum diameter is 6m, calculate how far the cage will drop for each single rotation of the drum, use the formula C=2 π r 1
Algebra
5 months ago
A number has the same digit in its hundreds place and its hundredths place. How many times greater is the value of the digit in the hundreds place than the value of the digit in the hundredths place? D 100,000 10,000 1,000 100
Algebra
5 months ago
Look at the expression. 4.8 * 107+6,500,000 What is the value of the expression? a 5.45 * 107 11.3 * 107 C 4.865 * 108 a 5.45 * 1013
Algebra
5 months ago
What substitution should be used to rewrite x8-3x4+2=0 as a quadratic equation? u=x2 u=x4 u=x8 u=x16
Algebra
5 months ago
Consider the function y=cos x 1. Which change would increase the period by a factor of 3? Multiply cos x by 1/3 Multiply cosx by 3.. Multiply x by 1/3 Multiply x by 3.
Algebra
5 months ago
William works at a nearby electronics store. He makes a commission of 6% on everything he sells. If he sells a computer for $ 764.00, how much money does William make in commission? $ $ 809.84 $ 718.16 $ 764 $ 45.84
Algebra
5 months ago
20. Shown above is a slope field for which of the following differential equations? A dy/dx =xy-x B dy/dx =xy+x dy/dx =y-x2 dy/dx =y-1x2 E dy/dx =y-13
Algebra
5 months ago
Writing a Paraphrase [Chorus:] The fearful passage of their death-mark'd love, Paraphrase these lines from the prologue in two to three sentences. And the continuance of their parents' rage, What the author is trying to say is that romeo and juliet is that Which, but their children's end, nought could remove, their love is sad. 1s now the two hours' traffick of our stage —Romeo and Juliet, William Shakespeare
Algebra
5 months ago
One third of the difference of 20 and 2
Algebra
5 months ago
wku blackboard login - Searc × Content × Marth127 - Quic 1 4. [-/2 Points] DETAILS LARCALCET7 5.2.037. C https://www.webassign.net/web/Student/Assignment-Responses/submit7dep=315882648tags=autosave#question4056793_9 × Math127 - Quir 1 × Assign 19 -M[H134 Bg2J X y= square root of 5x upper sum Use upper and lower sums to approximate the area of the region using the given number of subintervals of equal width. Round your answers to three decimal places lower sum MY NOTES PRACTICE ANOTHS Need Help Submit Answer 5. [1/1 Points] DETAILS PREVIOUS ANSWERS LARCALCET7 5.3.016. Write a definite integral that yields the area of the region. Do not evalvat fx=6-3x
Algebra
5 months ago
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