Question

AA student needs an average of at least 90 on four test to achieve an "A" for the course. The student scores 89,85,95 on three tests. What score will be required on the fourth test?

Expert Answer

1 Rating

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Algebra

Equations and In-equations

Related Algebra Q&A

Find answers to questions asked by students like you.

Q: A decimal approximation for 8 is 2.8284271. Use a calculator to find 28 22.83 22.828 22.82843 and 22...

A: We are given  

Q: Solve for x: e^ x^ 2+6 = e^5x

A: Given expression is

Q: Approximate the number using a calculator. 2.3 2.3 e (Round to three decimal places.) Enter your ans...

A: We first plug e^2.3 in the calculator. 

Q: The drag force F on a boat varies jointly with the wet surface area A of the boat and the square of ...

A: Drag force F directly varies with surface area A and square of the speed s.Wet surface area of boat ...

Q: Graph functions f and g in the same rectangular coordinate system. Graph and give the equations of a...

A: Graphed them using graphing calculator. Red line is y=3^x and blue line is y=(1/2)*(3^x)

Q: Use long division to divide: (5x2 −17x −12)÷(x −4) Use long division to divide: (6x3 −16x2 +17x −6)÷...

A: We’ll answer the first question since the exact one was not specified. Please submit a new question ...

Q: A particular fruit’s weights are normally distributed, with a mean of 598 grams and a standard devia...

A: Let us define X=Random variable of the fruit's weight with mean=598 grams, standard deviation= 6 gra...

Q: Multiply. Use the distributive property.   -2(2a-4b)

A: The given expression is –2(2a–4b).

Q: What is the inverse equation for (x+2) over x? x+2 x

A: Given information:The given function is  

Q: Simplify the difference quotients f(x+h)-f(x)/h and f(x)-f(a)/(x-a) for the following function by ra...

A: Here, we find f(x+h)  by replacing x by x+h  ,substitute the values of f(x+h) and f(x) and then by r...

Q: Find the coordinates of the vertex of the quadratic functions beneath:   y=3x2 y=3x2-2 y=-x2+3

A: (a)We can compare with quadratic equations and find a , b and c 

Q: 

A: The given quadratic equation is,

Q: I am not sure how to ask a question on equuivalent Fractions

A: Equivalent fractions are the fractions with different numerators and denominators that represents th...

Q: Let x represent one number and let y represent the other number. The sum of two numbers is 9. If one...

A: Given x and y are two numbers.Sum of x and y= x+y. So, x+y=9

Q: Find the vertical asymptotes, if any, and the values of x corresponding to holes, if any, of the gra...

A: Calculation:Simplify the given function as follows.

Q: The hypotenuse of a right triangle is 5 ft long. The shorter leg is 1 ft shorter than the longer leg...

A: The length of the hypotenuse of right triangle is 5 ft.Let the length of longer side is x ft.Let the...

Q: Steve and Nicole entered a double-decker bus in London on which there were 5/8 as many men as women....

A: Given information:Steve and Nicole entered a double-decker bus in London on which there were 5/8 as ...

Q: Scientific notation is a common way of writing very large numbers. In everyday life we see this when...

A: Storage space of the phone = 10 gigabytes = 104 megabytes.Size of the game = 76 megabytes.

Q: Scientific notation is a common way of writing very large numbers. In everyday life we see this when...

A: (1)It is given that phone has 10 GB (gigabytes) free storage:Since,

Q: Solve the system. If there is no solution or if there are infinitely many solutions and the system's...

A: Click to see the answer

Q: Determine the domain of the function f (x) = 1 − x.

A: The domain of f(x)=1-x is the possible values of x.

Q: 22828 8 What do you observe? 82843 A decimal approximation for 8 is 2.8284271. Use a calculator to f...

A: We are given 

Q: A Web music store offers two versions of a popular song. The size of the standard version is 2.7 meg...

A: Given that a  Web music store offers two versions of a popular song. The size of the standard versio...

Q: How ti solve? Step by step

A: Simplify the given expression as follows.

Q: Question H An athlete whose event is the shot put releases a shot. When the shot whose path is shown...

A: Given infromation:An athlete whose event is the shot put release a shot. When the shot whose path is...

Q: Find the domain of the following rational function. 19x +X H() +8 Select the comect choice below and...

A: The given rational function is

Q: #37 A faucet can fill a tub in 12 minutes. The leaky drain can empty the tub in 30 minutes. If the f...

A: Click to see the answer

Q: Solve the system. -5x y= 13 y-22=-5 X- 2y + Z= 5 Select the correct choice below and fill in any ans...

A: We are given system of equations as 

Q: Determine whether the given ordered pair is a solution of the system. (3,-5) 2x+ 3y 9 3x-2y 21 solut...

A: We will plug x=3 and y=-5 in 2x+3y=-9 and check if it works. It works.

Q: The bar graph to the right shows the average number of hours that people sleep per day, by age group...

A: We are given a bar graph

Q: Solve and graph the solution on a number line

A: To solve and graph the solution of the provided inequality 9+2y≤4y+5. No, first solve the inequality...

Q: Let A1, A2 and A3 be mutually exclusive and exhaustive events of some sample space S, where P(A1) = ...

A: In this question, it has been given that A1, A2 and A3 are mutually exclusive and exhaustive events....

Q: What is the equation of the function that is obtained from f (x) = | x | by reflecting about the x -...

A: Given information:The given function is  

Q: Let g (x) = 12− x 2 , then answer the following questions: Identify the parent function:f (x) = Desc...

A: The parent function can be identified by removing the constants and coefficients from the given func...

Q: Solve the inequality (x-3)(x-5)^2<0 Select all the intervals below that are included in the solut...

A: The given inequality is (x-3)(x-5)^2<0

Q: Use the given function to complete parts (a) through (e) below -92 f(x)-x At which zeros does the gr...

A: The function is given by,

Q: Solve each system by elimination #6

A: The system of equations is given as

Q: On a reality tv show, an officer is traveling 90 mph. He is chasing Jennifer who which had a 3 min h...

A: An officer is traveling 90 mph. He is chasing Jennifer who which had a 3 min head start before him. ...

Q: Two angles are supplementary if the sum of their angles is 180 degrees. One of two supplementary ang...

A: To calculate the value of two supplement angle. If the sum of two supplementary angle is 180o. In th...

Q: O EXPONENTIAL AND LOGARITHMIC FUNCTIONS Paul Graphing an exponential function and its aymptote: f(x)...

A: Given function is: For the given function when x = -2 For the given function when x = -1 For the giv...

Q: The graph of a function is given. Determine whether the function has an inverse function. Does the g...

A: This graph satisfies vertical line test.  

Q: How many quarts of pure antifreeze must be added to 7 quarts of 40% antifreeze solution to obtain a ...

A: Let us add x quarts of pure antifreeze to the 7 quarts of 40% antifreeze, to achieve 50% antifreeze ...

Q: Determine algebraically whether f and g are inverse functions.  f(x) = 5x - 3          g(x)= x+3/5

A: Given:The functions f(x) = 5x - 3 and g(x) = (x+3)/5

Q: The following equation is given. x3-3x-4x+12=0 X a. List all rational roots that are possible accord...

A: a. Find the possible rational roots.

Q: #33

A: The slope-intercept form is y=mx+b. Given that slope=m= 3/5 . And it passes through (-7,-12). We can...

Q: Use inspection to describe the inequality's solution set. Do not solve the inequality. 1 > 0 (x+ 3)2...

A: The given inequality is,

Q: Solve the given equation for x - 1•9 - 6 x = 7 •1

A: To solve the equation, PEMDAS rule is used to simplify the equation and then the variable is isolate...

Q: Solve the equation by factoring. Please explain how you did your work. 4x2+11x-45=0.

A: We have to compare 4x^2+11x-45=0 with ax^2+bx+c. So, a=4 , b= 11 , c = -45. In ax^2+bx+c form we hav...

Q: Solve the following equation for B u=8B B ? X

A: Given information:The given expression is  

Q: The figure on the right shows the graphs of the cost and revenue functions for a company that manufa...

A: In order to break even we must have C(x)=R(x)