Basic Math Questions and Answers
Math
Basic MathTickets for a carnival cost $8 for an adult and $5 for a child. On a certain evening,
762 tickets were sold for a total of $4680. How many adult tickets were sold?
290 adult tickets
294 adult tickets
279 adult tickets
312 adult tickets
298 adult tickets
Math
Basic MathOn the grid below, the solid curve represents y=e*. Which of the following exponential functions could
describe the dashed curve? Explain your choice.
(1) y=(1/2)* A 22
(2) y=e*
(3) y = 2*
(4) y = 4*
Math
Basic MathGiven the information below, define a set of parametric equations, r(t) and y(t) to model the movement of an object traveling along a straight-line path. At time t = 0, the object is at (4,0). At time t 1, the object is at (-4,1)
Math
Basic MathDetermine all the solutions for √x+2+√3x + 7 = 1.
x=-2
x=1
x = -2, x = -1
x= -2, x = 1
Math
Basic MathThree times a first number decreased by a second number is one. The first number increased by twice the second number is twelve. Determine the numbers.
6 and 12
0 and 12
-2 and -7
1 and 2
2 and 5
Math
Basic Mathwhere P is the power (in watts) and vis the velocity of the wind (in mph). Determine the velocity of the wind when the windmill is generating 600 watts of power.
A) v = 965.42 mph
B) v 19.88 mph
C) v = 31.07 mph
D) v = 173.19 mph
E) v = 37.28 mph
Math
Basic MathAngelize wants to buy pumpkin and autumn squash for a fall display. She has a budget of no more than $117 but wants to buy more than 10 vegetables for the decorations. The pumpkins are $5.50 each and the autumn squash are $3.50 each.
Identify the possible solution below to Angelize's situation.
8 pumpkins and 4 squash
4 pumpkins and 5 squash
15 pumpkins and 11 squash
5 pumpkins and 5 squash
CE
Math
Basic MathDetermine the pattern and complete the table. Then write a formula to describe then relationship between the input and output variables.
Math
Basic MathSolve the system of equations-
10x - 5y = 5
80x+7y=181
Ono solutions
(2, 3)
(5,0)
(-2, -3)
(-1, 6)
infinite solutions
Math
Basic MathConsider the following equation.
y = x² + 4e^x
Find y'(x).
y'(x) = 4x³ + 9e^x
Find equations of the tangent line and normal line to the given curve at the point (0, 4).
tangent line
normal line
Math
Basic MathA volleyball team sold raffle tickets to raise money for the upcoming season. They sold three different types of tickets: premium for $10, deluxe for $4, and regular for $2. The total number of tickets sold was 208, and the total amount of money from raffle tickets was $714. If 78 more regular tickets were sold than deluxe tickets, how many premium tickets were sold?
Math
Basic MathWhen talking about budgets, what should ALWAYS be the inequality symbol?
everything you're buying ≤ Total
everything you're buying < Total
everything you're buying > Total
everything you're buying ≥ Total
Math
Basic MathTwo buses, which are 2400 miles apart, travel towards each other. Their speeds differ by 60 miles per hour. They pass each other after 5 hours. Find their speeds.
210, 270
220, 270
250, 250
Math
Basic MathYou decide to begin selling glow sticks at the local star wars convention. Your cost for each glow stick is $0.59 plus you have to pay a fixed weekly fee of $220 for the booth. Your plan is to sell each glow stick for $2.59.
1. Write an algebraic expression to represent your total costs for the week if you sell n glow sticks.
Total Costs:
2. Write an algebraic expression to represent the revenue from the sale of n glow sticks during the week.
Revenue:
3. Write an algebraic expression that represents the profits for selling n glow sticks in a given week.
Profit
If you sell 300 items, your total costs for the week will be $
Your revenue from selling 300 glow sticks is $
Your profit for selling 300 glow sticks is $
Math
Basic MathJuan had $21600 and chose to split the money into two different mutual funds. During the first year, Fund A earned 8% interest and Fund B earned 6% interest. If he received a total of $1504 in interest, how much had he invested into each account?
Juan invested $ into Fund A.
Juan invested $ into Fund B.
Math
Basic MathIdentify the type of solution of the equation x + 4 = x+3. Unique solution No solution Infinite solutions
Math
Basic MathCompute the sum of all the solutions of the equation I2x−2/xI = 1 8 A) -4/3 B) 8/3 c) -8 D) 8 E) 38/3
Math
Basic MathDetermine all the solutions of the equation. Give the sum of all the solutions. √9x+4= √7x+8 A) O B) 8 C) 2 D) -2 E) -8
Math
Basic MathSteinway piano should be placed in an environment where the relative humidity h is between 36% and 62%. Express this range with an inequality containing an absolute value. A) h + 13% ≤ 49% B) h-49% ≤ -13% C) h-49% ≤ 13% D) |h + 13% < 49% E) |h-49% > 13%
Math
Basic MathWe are interested in the first few Taylor Polynomials for the function f(x) = 3e + 7e * centered at a a=0. To assist in the calculation of the Taylor linear function, T₁(x), and the Taylor quadratic function, T₂(x), we need the following values: f(0) = ƒ'(0) f''(0) = Using this information, and modeling after the example in the text, what is the Taylor polynomial of degree one: T₁(x) = What is the Taylor polynomial of degree two: T₂(x) =
Math
Basic MathThe payments of a lease are $190 a month for 60 months. Jessica paid a deposit of $580, a title fee of $95, and a license fee of $65. At the end of the lease she can buy the car for a residual value of $3,900. True or False: The total cost if she buys the car at the end of the lease is $16,040.
Math
Basic MathMaude and Matilda each have a bank CD. Maude's is $1000 larger than Matilda's, but Maude's interest rate is 2% less. Last year Maude received interest of $840, and Matilda received $800. Determine the interest rate of each CD. A) Maude at 14%: Matilda at 16% B) Maude at 12%: Matilda at 14% C) Maude at 13%: Matilda at 15% D) Maude at 15%: Matilda at 17% E) Maude at 17%: Matilda at 19%
Math
Basic MathConsider the quadratic function f(x) = x² + 3x -4
Determine the following: (enter all numerical answers as integers, fractions, or decimals):
The smallest x-intercept is x =
The largest x-intercept is x =
The y-intercept is y =
The vertex is (
The line of symmetry has the equation
Math
Basic MathThe height of a projectile fired upward with an initial velocity of 160 feet per second
is given by the formula
h = -16t² + 160t
where h is the height in feet and t is the time in seconds. Determine the time required for the projectile to return to earth.
A) 35 sec
B) 25 sec
C) 10 sec
D) 5 sec
E) 20 sec
Math
Basic MathA continuously-decreasing function that is concave up on the interval [2, 6] is represented by the table.
Part A: Find the left Reimann sum estimate of f(x) dx, based on the subintervals given in the table. (4 points)
Part B: Write the midpoint Reimann sum that estimates f(x) dx, based on the subintervals given in the table. (4 points)
Part C: Determine whether the left Reimann sum estimate is an overestimate or an underestimate, based on the properties of the function. (2 points)
Math
Basic MathEstimation A ramp is being built to a building to help with deliveries. The angle that the bottom of the ramp makes with the ground is 38.1°. Estimate the measure of the other acute angle. Find the exact measure of the other acute angle.
Which of the following is a good estimate for the measure of the other acute angle?
A. 57°
B. 62
C. 47°
D. 52°
Math
Basic MathIn the figure, m∠1 = (x+7)°, m∠2 = (3x+3)°, and m∠4 = (5x-6). Write an expression for m∠3. Then find m∠3.
Which is an expression for mZ3? Select all that apply.
A. 180° -(5x-6)°
B. 180° - (x+7)°
C. 180° -[(3x+3)° + (x+7)°]
D. 180° + (x + 7)°
Math
Basic MathHelena is going to drive a distance of 245 miles each way on a trip. She used 14 gallons of gas going there and 10 gallons returning. What was her gas mileage to the nearest mile for the entire trip?
19 miles per gallon
20 miles per gallon
Math
Basic MathEstimate the - and y-intercepts from the graph.
Write each intercept as an ordered pair.
Separate your answers using commas, if necessary.
Select "None" if applicable.
Math
Basic MathSome mathematics professors would like to purchase a $140 microwave oven for the
department workroom. If 5 of the professors do not contribute, everyone's share will
increase by $50. How many professors are in the department?
A) 26
B) 21
C) 14
D) 7
E) 9
Math
Basic MathYou drove 10,000 miles last year. Your expenses were $3,100 in gasoline, $150 in oil and lubrication, $780 in minor repairs, $1,900 in insurance and $60 for license and vehicle sticker. True or False: Your cost for maintaining your vehicle per mile is $0.58.
True
False
Math
Basic MathHow many solutions does the following system have?
3x - 2y + 3z = 3
9x + 3y + z = -3
-27x11z = -3
Select the correct answer below:
No solutions
1 solution
Infinitely many solutions
Math
Basic MathSketch the logarithmic function h(x)=-4 log(x+2)+4 Find two points on the graph, and determine the domain and the equation of any vertical asymptotes.
Fill in the missing coordinates of the points that lie on the graph of y= log 4 x and the corresponding points that lie on the graph of h(x)=-4 log(x+2)+4.
Math
Basic MathA new restaurant is to contain two-seat tables and four-seat tables. Fire code limits
the restaurant's maximum occupancy to 56 customers. If the owners have hired
enough servers to handle 17 tables of customers, how many of each kind of table
should they purchase?
two-seat 7; four-seat 10
two-seat 10; four-seat 7
two-seat 12; four-seat 5
two-seat 5; four-seat 12
two-seat 6; four-seat 11
two-seat 11; four-seat 6
Math
Basic MathSimplify the fraction. If the fraction is already simplified, so state.
72/88
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. 72/88= (Simplify your answer. Type a whole number or a fraction.)
B. The expression cannot be simplified.
Math
Basic MathSolve the system of equations:
4x = 3y + 8
2x - 5y = -14
(-41/7, 36/7)
(41/7, -36/7)
no solutions
infinite solutions
(41/7, 36/7)
Math
Basic MathFind all angles between 0 and 360° such that sec =2.705. Round to the nearest degree.
a) Find the reference angle.
b) Determine the Quadrants in which the solutions are in
c) Find the angles in the two quadrants, rounded to the nearest degree.
Be sure to type your answers to all parts in the answer box. Be sure to show all work on loose leaf as a file upload question at the end.
Math
Basic MathThe table below shows the number of individuals infected with a disease t days after its first detected by the CDC.
For each of the following problems, enter regression equation values with at least 3 decimal places. Enter predictions to the nearest whole individual.
1) Use regression to find an exponential equation that best fits the data above. The equation has form y =
abt where:
a =
b=
Use the model to predict the number of individuals infected with the disease after 16 days.
individuals
2) Use regression to find a linear equation that best fits the data above. The equation has form
y = mt + b where:
Math
Basic MathPick the system of inequalities satisfied by the point (-4,2).
y< x +7 and y> 7x-3
y>-x+7 and y> 7x-3
y> -x + 7 and y <7x - 3
Math
Basic MathWillie bought a CD for $16.95 and eight blank videotapes. The total cost was $52.55 excluding the tax. Find the cost of each blank videotape.
$4.45
$5.35
$3.25
Math
Basic MathThe volume of a cone is 113.04 mm2. What is the approximate volume of a sphere that has the same height and a circular base with the same diameter? Use 3.14 for π and round to the nearest hundredth.
113.04 mm³
226.08 mm³
904.32 mm³
3,052 mm³
Math
Basic MathIdentify the number of solutions the following equation has: 7-5(z-6) +4=3-2(z-5)-3z +28.
No Solution
Unique Solution
Infinitely Many Solutions
Math
Basic MathWhich of the following represents vector t = -8i + 6j in trigonometric form?
t= 10 (cos 36.87°, sin 36.87°)
t= 10 (cos 143.13°, sin 143.13%)
t= 10 (sin 36.87°, cos 36.87°)
t= 10 (sin 143.13°, cos 143.13%)
Math
Basic MathThe path of the object thrown above the ground level is given by the function s(t) = 2t2 + 5t + 3. Rewrite it in factored form.
(2t+3)(t-1)
(2t+3)(t+1)
(2t-3)(t+1)
Math
Basic MathSolve for x and write the solution set using set-builder notation: 1.5-0.25x ≤ 6
{x|x ≥-18}
{x|x ≥-10}
{x|x ≤ 8}
Math
Basic MathFunction W gives the weight of a cat t weeks after it was born. The weight is measured in pounds.
Use function notation to represent this statement:
10 weeks after the cat was born, it weighed 8 pounds.
t=8, W=10
10(8) = W
W(10)=8
W(8)=10
Math
Basic MathDan traveled to his friend's house and back. The trip there took two hours and the trip back took three hours. What was Dan's average speed on the trip there if he averaged 20 mph on the return trip?
25 mph
50 mph
42 mph
43 mph
30 mph
Math
Basic MathWrite an equation for a line perpendicular to y = 2x - 5 and passing through the point (2,2)
y =