Basic Math question and answers for July 09, 2024
- Q A construction company is analyzing which of its older projects need renovation. Building B was built two years before building C. Building D was built two years before building B....
- Q For - 12 ? x ? 15 the function f is defined by f(x) = x(x + 6)On which two intervals is the function increasing (enter intervals in ascending order)?Find...
- Q Solve 4 x + 6 = 32.A. x = 14 and x = -2B. x= -14 and x = ?2C. x= -14 and x = 2D. x = 14 and...
- Q Solve - 6 + 8 = 15.A. x= 13 and x = -1B. x= 13 and x = -13C. x= -13 and x = -1D. x= -13 and x =...
- Q Solve 6x - 2y = 10 for y.A. y = 3x - 10B. y = 3x - 5C. y = -6x + 10D. y = 6x + 5
- Q The owner of a baseball stadium found that he sells an average of 586 tickets to each game when he charges an average of $59 per ticket. Inaddition, he found...
- Q What is the result when this equation is solved for y?4x + 10x - 2y = 6A. y = -2x - 5x+3B. y = 4x + 10x - 6C. y...
- Q What is the solution to this equation?5(x-4)= 3x+4A. x = -8B. x = 12C. x = -2D. x = 3
- Q An equation for the line L is:y = 3 + 5/4 (x - 12)The angle L makes with the x-axis is:
- Q Select the correct answer.Which of the following functions is the inverse of this function?f (x) = x + 2 / 7A. p(x)=7x - 2B. q(x) = -x + 2 /...
- Q The following student work is incorrect. The directions say to factor complete. Identify the stepthat there is an error and explain the error.Step 1: 4x+36xStep 2: 4x (x + 9)Step...
- Q Without actually performing the calculations indicated, choose to how many significant digits the answer to the calculation should be expressed.A. (0.196) (0.08215) (295) / 1.1b. (4.215 +3.991+2.442) / 0.42c. (6.219...
- Q Solve-2x-6> 3x + 14.A. x<-4B. x>-5C. x>-4D. x < -5
- Q Solve |X + 5| = -8A. x = ?3 and x = 13B. No solutionC. x = 3 and x = ?13D. x = -3 and x = ?13
- Q If P = (-1,-1), find the image of P under the following rotation. 180 counterclockwise about the origin
- Q A triangle is reflected across the line x= 2. Which of the following is true?The image and pre-image have the same orientation.The image and pre-image have different sizes.The image and...
- Q Jada saw a music video that her favorite artist recently posted online. The equation v(t) = 320.4^t represents the number of views of the video, t days since Jada saw...
- Q Find all real numbers a such that a = a-2. Explain why this does not violate the exponential function property which states a* = a' if and only if x...
- Q Solve 14x7y= 21 for y.A. y = 14x + 3B. y = 2x - 21C. y = 2x - 3D. y = -14x + 21
- Q To earn full credit for this question, use your own sheet of paper to solve the problem, showing all steps of your work. The highway mileage (mpg) for a sample...
- Q Let u=-51+2j and v=-51-5j. Decompose u into two vectors u, and u?, where u, is parallel to v and u, is orthogonal to v. Write your answers in the form...
- Q Suppose that a guitar company estimates that its monthly cost is C(x) = 400x + 600x and its monthly revenue is R(x) = -0.4x + 600x200x + 500, where x...
- Q Solve |x- 4 + 6 = 15.A. x= 13 and x = -13B. x = 13 and x = -5C. x= -13 and x = 5D. x= -13 and x...
- Q The Thompson family took a $300,000 mortgage loan, with no down payment, at an annual rate of 3.6% compounded monthly for 30 years. Calculate the family's monthly payment. Round the...
- Q A 60 ft. long swimming pool is to be constructed. The pool will be 3 ft. deep at one end and 12 ft. deep at the other. To the nearest...
- Q Which expression is the simplest form of 5(2x-3) - 3(x+4) / 9A. 7x-27 /9B. 13x - 27/9C. 7X - 3 / 9D. 7x - 3
- Q We created this inequality to represent how Amy can meet her revenue goals: -100x +15,750x + 212,500 ? 243,600 In this activity, you'll solve this inequality to find the minimum...
- Q A child pulls a wagon with a force of 34 pounds. The handle of the wagon makes an angle of 30 with the ground. Express the force vector F in...
- Q Find an ordered pair (x, y) that is a solution to the equation.4x+y=5
- Q Which one of the following describes the solution set of |x + 7| <3?The interval from -co to 4 together with the interval from 10 to ?The interval from 4...
- Q Which of the following statements is true of a reflection? Select all that apply.It is an isometry.It slides a plane.The transformation is done over a line of reflection.It flips a...
- Q A 61/4-inch circular power saw rotates at 4,800 revolutions per minute. (Round your answers to two decimal places.) 4 (a) Find the angular speed of the saw blade in radians...
- Q The drug concentration in the bloodstream t hours after injection is given approximately by C(t) = 4.95 e ,0sts5, where C(t) is the concentration in milligrams per milliliter. (A) What...
- Q Noah creates a scatter plot showing the relationship between number of free throws made in a basketball game and the number of points scored. The correlation coefficient for the line...
- Q There are x ducks in a pond. The number of swans in the pond is equal to the square root of the number of ducks. If the total number of...
- Q A store is offering 25% off all shoes. Declan purchases shoes and clothes. The expression representing his total cost (including 8% tax) is c+(1-0.25)s+0.08[e+ (1-0.25) s). Which term represents the...
- Q A pyramid is 24 ft tall. A scaled model has a height of 2 ft and is 1 foot wide at the base. Identify the scale factor that was used...
- Q Angle 0 is between 0 and 360, sin 0= -0.97437006. Which of the following intervals contain a possible measure for 0? There is at least one correct response. Choose all...
- Q The equation y = -143x + 1810x - 187x+2231 where x represents the time in years since January 1, 1983 is a mathematical model for the number of AIDS cases,...
- Q Triangle ABC is translated onto its image, triangle A'B'C'. Use the given vertices of the triangles to answer parts A and B.A(-6, 0) B(-1, 0) C(-5, 3)A'(-2, 4) B'(3, 4)...
- Q Solve 4ax + 5ax = 6ax +9 for x. Assume a ? 0.A. x = 3/aB. x = 2aC. x = 1/2aD. x= 3a
- Q Solve |2x - 7 ? 11.A. x?-2 or x ? 7B. x?-2 or x ? 8C. x?-2 or x ? 9D. x? 3 or x ? 6
- Q In a reflection along the x-axis a given coordinate (2, -1) transforms itself into which of the following?(2,1)(-2,1)(-2, 0)(0, 1)
- Q Select the correct answer.What is the simplest form of4m-17/m^2-16 + 3m-11/m^2-16, assuming no denominator equals zero?A. 7/m+4B. 7m/m+4C. 7/m-4D. 7m-6/m^2-16
- Q Which expression is equivalent to the given expression?(3mn)/mn^4A. 9m^5B. 9m^4nC. 27m^4nD. m27m^5
- Q A coffee shop begins the day with 75 bagels and sells an average of 10 bagels each hour. Function bmodels the bagel inventory, (*), x hours after opening.b(x) = 75...
- Q Samantha is a waitress and earns a weekly paycheck of $350 plus any tips she earns throughout the week. One week, Samantha noticed that she earned about $12 in tips...
- Q Marci earns $8 an hour. Write an equation that shows the direct proportionality between hours (h) and money earned (m). A. 8h=mC. 8mhB. 8m = hD. none of the above
- Q The equation t = -1/1.008 ln(12.3/W - 0.5) is a mathematical model for the relationship between the weight W (in grams) of an individual leaf of a wheat plant and...
- Q Which of the following represents x = 1/3y written in general form?3x - y = 0x- 1/3y=01/3x-y=0
- Q If you rolled a die, what is the probability that you would roll a 4 or a 5?
- Q Grace is traveling to an island for vacation. She drives from home at a constant rate for the first 154 miles, then takes a ferry to travel the last 35...
- Q Let u = i +6j and v=-4i +4j. Decompose u into two vectors u? and u?, where u? is parallel to v and u? is orthogonal to v. Write your...
- Q Solve |2x + 2| = 10.A. x = 4 and x = 6B. x = 4 and x = -6C. x = 4 and x = -4D. x = -4...
- Q Write a direct proportion equation that shows the price (y) for any number of posters (x) that are $2.50 each.A. y = kxB. 2.50x=yC. $2.50 = yxD. 2.50y = x
- Q Which of these is a factor in this expression?6z^4 - 4+9 (y+6)A. (y + 6)B. 9 (y + 6)C. -4+9 (y + 6)D. 6z^4-4
- Q Solve 4|x + 5| = 16.A. x= -1 and x = 9B. x = -1 and x = ? 9C. x= 1 and x = -9D.x= 1 and x =...
- Q Theo's kitchen is 192 square feet. A blueprint of his kitchen is created with the scale 1 inch: 4 feet. What is the area of the kitchen on the blueprint?
- Q Which of the following is a name for an isometry that moves or maps every point of the plane the same distance and direction? Select all that apply.flipgliderotationslidetranslation
- Q Solve |6x + 3| = 27.A. x = -4 and x = -5B. x = -4 and x = 5C. x = 4 and x = -5D. x = 4...
- Q Solve 9 ax + 10ax = 11ax + 32 for x. Assume a 0.A. x = 4aB. x = 8aC. x = 4/aD. x = 1/8a
- Q Mia has 50 feet of fencing to make a rectangular kennel for her dog. She decides to use a part of her house as one side of the kennel. She...
- Q For a candy-making competition, Tanya made 3 kinds of candies. She made 3 times as many orange candies as pineapple candies. She made 30 more lemon candies than pineapple candies....
- Q Which value of r indicates a stronger correlation: r=0.837 or r= -0.921? Explain your reasoning.Choose the correct answer below.A. r=0.837 represents a stronger correlation because | -0.921|> |0.837|.B. r= -0.921...
- Q Click on the graphic to select the figure that would make the following "a reflection in line k."
- Q A car purchased for $25,000 depreciates annually at a rate of 11%. The value of the car t years after its purchase is given by the expression 25,000(0.89). Which expression...
- Q Evaluate 4(x ? 3) + 5x ? x for x = 2.A. 2B. 11C. 16D. -2
- Q Consider this equation.10x +25/3x + 12=5x/x+4How many valid solutions does the equation have?The equation hasvalid solution(s).
- Q Jason hired a luxury car service. The service charges a fixed rate of $4.92, regardless of the number of miles traveled, plus an additional $3.79 per mile. If Jason wants...
- Q A map that was created using a scale of 1 inch : 3 miles shows a lake with an area of 4.5 square inches. What is the actual area of...
- Q Consider this product.x^2-3x-10/x^2-6x+5 . x-2/x-5The simplest form of this product has a numerator of and a denominator ofThe expression has an excluded value of x =
- Q A rotation is an isometry thatmoves a plane across a line of symmetrymoves a plane in a straight line motionmoves a plane as a nor imagemoves a plane about a...
- Q Finance. Suppose that $4,100 is invested at 3.2% annual interest rate, compounded monthly. How much money will be in the account in (A) 10 months? (B) 20 years?(A) Amount after...
- Q A transformation T: (x,y) ? (x + 3, y + 1). The image of B(4, 1) under this transformation is(7.2)(1, 0)(-1,0)
- Q Solve |x+6 |- 7 = 8.A. x = -9 and x = -21B. x = 9 and x = ? 21C.x = 9 and x = -9D. x = -9...
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