Basic Math question and answers for July 13, 2024
- Q Which value of r indicates a stronger correlation: r=0.792 or r= -0.947? Explain your reasoning.Choose the correct answer below.A. r=0.792 represents a stronger correlation because 0.792> - 0.947.B. r= -0.947...
- Q Select the correct answer.Which two points satisfy y=-x+ 2x + 4 and x + y = 4?A. (0,4) and (4,0)B. (0, 4) and (3, 1)C. (7,-3) and (0,4)D. (7,-3) and...
- Q Present value. A promissory note will pay $25,000 at maturity 6 years from now. How much should you be willing to pay for the note now if money is worth...
- Q Find the next term of the following sequence.9, 6, 4, ...8/332
- Q The State Education Department requires local school districts to keep these records on all students: age, race or ethnicity, days absent, current grade level, standardized test scores in reading and...
- Q Two points P and Q in the Argand diagram rep- resent complex numbers z and 3z + 2 + i. If P moves arround the circle with centre at the...
- Q Simplify the following expression completely.6x/(8x^2+10x)
- Q For the given data:22; 9; 19; 2; 38; 40; 7; 38; 44; 6; 12; 10; 20; 31; 48; 45Determine the Quartiles, Q1, Q2 and Q3 of the data:Q1:Q2:Q3:
- Q Present value. A promissory note will pay $65,000 at maturity 7 years from now. How much should you be willing to pay for the note now if money is worth...
- Q Hawa is going to see a movie and is taking her 5 kids. Each movie ticket costs $15 and there are an assortment of snacks available to purchase for $3...
- Q Form the negation of the statement.There is a rainbow.Choose the correct answer below.A. There are clouds.B.There is not a rainbow.C. There are never rainbows.D. Sometimes there are not rainbows.
- Q Which value of r indicates a stronger correlation: r=0.826 or r=-0.858? Explain your reasoning.Choose the correct answer below.A. r=0.826 represents a stronger correlation because 0.826> - 0.858.B. r=0.826 represents a...
- Q Find all the roots and check your answers.16x-25=0X=(Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed.)
- Q A hat contains 3 marbles; one red, one blue, and one yellow. Two marbles are selected at random without replacement from the hat. Complete parts a) through e). a) Determine...
- Q What's the circumference of a circle with a diameter of 16 inches?Use 3.14 for ?.
- Q The time it takes Natalie to replace x cell phone screens is given by the equation t = 1+ 3x, where t gives the time in hours. How many hours...
- Q Melissa received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.79 per pound. After buying the coffee, she had $36.05 left...
- Q The path of a marble rolling off of a desk can be modeled by the parametric equations:x (t) = 2.5ty (t) = -16t +3In these equations, the horizontal and vertical...
- Q You owe $32,000 on student loans at an interest rate of 5.25% compounded monthly. You want to pay off the loan in 13 years. What will your monthly payments be?
- Q You want to buy a new car. You can afford payments of $425 per month and can borrow the moneyat an interest rate of 4.7% compounded monthly for 5 years.How...
- Q Suppose that two people standing 2 miles apart both see the burst from a fireworks display. After a period of time, the first person standing at point A hears the...
- Q Dilbert invests $14,000 at 3% simple interest for 5 year. How much is in the account at the end of the 5 years period?
- Q Use the price-demand equation to determine whether demand is elastic, inelastic, or has unit elasticity at the indicated value of p. x= f(p) = 12,000 - 40p, p=9Is the demand...
- Q According to the Rational Root Theorem,-2/5is a potential rational root of which function?f(x) = 4x^4-7x+x+25f(x) = 9x^4-7x + x + 10f(x) = 10x^4-7x+x+9f(x) = 25x^4-7x+x+4
- Q Use the difference of cubes formula to factor. Be sure to factor out any common factors.8x^3 - 125 =
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