Basic Math Questions and Answers

Math
Basic MathDavis can read 4/5 of a page in one minute. How many pages can he read in 4 1/2 minutes?
Simplify your answer completely.

Math
Basic MathCory can eat 21 boiled eggs in 6 minutes. He wants to know how many minutes (m) it would take him to eat 35 boiled eggs if he can keep the same pace.
How many minutes would Corey need to eat 35 boiled eggs?
8 minutes
9 minutes
10 minutes
12 minutes

Math
Basic MathTwo fishermen go ice fishing one morning. By noon, Fisherman Bob has 6 fish and is catching 2 fish per hour. Fisherman Bill has 4 fish and is catching 3 fish per hour. Assume they will continue catching fish at the same rate.
1. Write a system of equations that relates the time to the total fish caught.
2. Algebraically solve the system of equations. At what time will they have the same number of fish?

Math
Basic MathWhen the pressure that a gas exerts on a sealed container changes from 53.0 bar to 35.2 bar, the temperature changes from .... °C to 12.0°C.

Math
Basic MathIdentify the type of observational study described.
A researcher plans to obtain survival rate data for patients whose cancer has gone into remission by following them for the next five years.
prospective
retrospective
cross-sectional

Math
Basic MathSarah purchased a manufacturing machine worth $30,000 for her factory. The value of the machine decreases every year by $1,250. Which explicit equation represents the value, v, of the machine t years after the purchase?
v = 30,000t - 1,250
v = 30,000 -1,250t
v = 30,000 -1,250-t
v = 30,000 -1,250+t

Math
Basic MathThe first term in a sequence is -18, and each term after the first is 4 times the preceding term,
Which of the following recursive functions defines the sequence described above?
A. f(1) = -18
f(n)=4f(n-1),n> 1
B.f(1) = -18
f(n)=4+ f(n-1),n> 1
C.f(1) = -18
f(n)=4f(n+1),n> 1
D.f(1) = -18
f(n)=4+ f(n+1),n> 1

Math
Basic MathSolve, using a proportion.
If Joe travels 434 miles in 7 hours, how far will he travel in 10 hours at the same speed?
..... miles

Math
Basic MathSolve, using a proportion.
If 4 quarts fill 16 cups, then 6 quarts will fill .... cups.

Math
Basic MathMike pays $20 per hour for algebra tutoring. The equation y=20x relates the cost of tutoring (y) to the number of hours (x) he is tutored. Identify the unit rate in the equation.
x
y
20
20x

Math
Basic MathWhen the volume of a gas is changed from 11.5 cm³ to ...... cm3, the temperature will change from 415.0 K to 200.0 K.

Math
Basic MathDraw the polygon whose vertices are (3, 1), (3, 7), (-2, 3), and (-2, -3).
Then choose the best description of the polygon from the choices below.
Triangle
Rectangle
Parallelogram
None of these

Math
Basic MathA gas that exerts a pressure of 14 bar in a container with a volume of 312 mL will exert a pressure of ........ when transferred to a container with a volume of 652 mL. bar

Math
Basic MathTammy deposited $3000 into an account with a 5.6% annual interest rate, compounded semiannually. Assuming that no withdrawals are made, how long will it take for the Investment to grow to $45397
Do not round any intermediate computations, and round your answer to the nearest hundredth.

Math
Basic Math1. What type of action do progressive verbs show?
A. Continuous
B. Future
C. Present perfect
D. Singular

Math
Basic MathKyndal wants to buy a lamp that originally cost $82, but went on sale for 20% off. The store is having an additional sale that is 40% off the sale price. What is the price of the lamp?

Math
Basic MathSydney described a ruler as a length of plastic that starts at 0 and continues on to 12 inches. The geometric term that best describes Sydney's description is a

Math
Basic MathA radioactive substance decays according to the following function, where yo is the initial amount present, and y is the amount present at time t (in days).
y= y0e^-0.092t
Find the half-life of this substance. Do not round any intermediate computations, and round your answer to the nearest tenth.

Math
Basic MathUse the Change of Base Formula to evaluate logs 92. Then convert logs 92 to a logarithm in base 3. Round to the nearest thousandth.
4.522; log3 21.903
2.810; log3 55.2
1.964; log3 55.2
2.810; log; 21.903

Math
Basic MathThe following is given in recursive form.
a1=8
an=2a-1 +5, for n ≥ 2
What is the value of the third term of this sequence?
Type your answer into the box below.

Math
Basic MathSuppose a plane flies 48 miles in 12 minutes. The relationship between miles flown, x, and minutes flown, y, by the plane can represented by the equation y = 1/4x.
How far will the plane fly in 28 minutes?
A) 112 miles
B) 116 miles
C) 120 miles
D) 124 miles

Math
Basic MathKala needs $4300 for a future project. She can Invest $2000 now at an annual rate of 10%, compounded quarterly. Assuming that no withdrawals are made, how long will it take for her to have enough money for her project?
Do not round any Intermediate computations, and round your answer to the nearest hundredth.

Math
Basic Math25% of the students attended the school dance. If 32 attended the dance, how many students are there in all?
A. 128
C. 16
B. 8
D. 140

Math
Basic MathExpress the set using the roster method.
{x|X ∈ N and 25<x< 90}
Choose the correct answer below.
A. Ø
B. {26, 27, 28, 29, ..., 89}
C. {25, 26, 27, 28, ..., 90}
D. {..., 23, 24, 25, 90, 91, 92, ...}

Math
Basic MathFor the real-valued functions f(x)=√(5x+30) and g(x)=x-3, find the composition fog and specify its domain using interval notation.

Math
Basic MathCasey took a total of 12 quizzes over the course of 3 weeks. After attending 5 weeks of school, how many quizzes (q) will Casey have taken in total? Assume the relationship is directly proportional.
A)18
B)20
C)22
D)24

Math
Basic MathMarla made $42 babysitting for 5 hours. How much money did she make each hour?
A. $8.40
C. $1.90
B. $8.10
D. $11.90

Math
Basic MathWhat is the volume of a sphere with a diameter of 49.3 cm, rounded to the nearest tenth of a cubic centimeter?

Psychology
Basic Math"Payah kun," said the Eldest Magician, meaning, "That is
quite right"; and he breathed upon the great rocks and
lumps of earth that All-the-Elephant-there-was had
thrown up, and they became the great Himalayan
Mountains, and you can look them out on the
map....
Then the Moon rose big and full over the water, and the
Eldest Magician said to the hunchbacked old man who
sits in the Moon spinning a fishing-line with which he
hopes one day to catch the world, "Ho! Fisher of the
Moon, are you playing with the Sea?"
-"The Crab That Played with the Sea,"
Rudyard Kipling
How does the use of imagery create meaning?
The imagery emphasizes the compassion and
authority of the Eldest Magician.
The imagery explains how the animals are
responsible for creating nature.
The imagery reveals the power that the old man
has over the moon.
The imagery highlights the importance of earth,
Moon, and Sea.

Math
Basic MathDefine Euler's Constant and provide its numerical value and what is it also known as (not gamma which
is the symbol).
Definition:
Numerical value (decimal format, 1st 8 numbers):

Math
Basic MathA designer builds a model of a canoe. The finished model is exactly the same shape as the original, but smaller. The scale factor is 3:11.
(a) Find the ratio of the height of the model to the height of the original.
(b) Find the ratio of the volume of the model to the volume of the original.
(c) Find the ratio of the surface area of the model to the surface area of the original.
Write these ratios in the format m:n.

Math
Basic Mathinding the
Suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model. A sample of 2400 bacteria selected
from this population reached the size of 2556 bacteria in two hours. Find the hourly growth rate parameter.
Note: This is a continuous exponential growth model.
Write your answer as a percentage. Do not round any intermediate computations, and round your percentage to the nearest hundredth.

Math
Basic MathWhen the volume of a gas is changed from 986 mL to mL, the temperature will change from 765 K to 315 K.

Math
Basic MathA line segment of length is scaled by a factor of 1.5 to produce a segment with length m. The new segment is then scaled by a factor of 1.5 to give a segment of length n. What scale factor takes the segment of length to the segment of length n? Explain your reasoning.

Math
Basic MathAt Marcy's Department Store, all dresses are 40% off. If the regular price of a dress is $85, what is the sale price?
A. $51.00
C. $45.00
B. $40.00
D. $58.00

Math
Basic MathA study shows that, over the course of a lifetime, the average salary of college graduates is greater than the average salary of people with only a high school diploma. The results were
published claiming that graduating from college ensures you will make more money over the course of your lifetime. What is the problem with reporting results this way?
loaded question
voluntary response
correlation and causality
missing data

Math
Basic MathSuppose that $2900 is Initially Invested in an account at a fixed Interest rate, compounded continuously. Suppose also that, after two and a half years, the amount of money in the account is $3098. Find the Interest rate per year. Write your answer as a percentage. Do not round any intermediate computations, and round your percentage to the nearest hundredth.

Math
Basic MathSuppose that $6000 is placed in a savings account at an annual rate of 3%, compounded monthly. Assuming that no withdrawals are made, how long will it take for the account to grow to $7110? Do not round any intermediate computations, and round your answer to the nearest hundredth.

Math
Basic MathA gas that exerts a pressure of 6.20 atm in a container with a volume mL will exert a pressure of of 9.150 atm when transferred to a "container with a volume of 322 mL.

Math
Basic MathWhat is the volume of a sphere with a radius of 8 m, rounded to the nearest tenth of a cubic meter?

Math
Basic MathHow long will it take for a $2000 Investment to grow to $3070 at an annual rate of 6.4%, compounded quarterly? Assume that no withdrawals are made. Do not round any Intermediate computations, and round your answer to the nearest hundredth.

Math
Basic MathYou have been asked to convert a pressure FROM atm TO psi. Which conversion factor would you use?
14.7 psi/1 atm
1 atm/14.7 psi

Math
Basic MathWhat is the diameter of a hemisphere with a volume of 74466 cm³, to the nearest tenth of a centimeter?
Answer: cm

Math
Basic MathArtie needs to save $450 to buy the new bicycle that he wants. He currently has $300. What percent of the cost of a new
bicycle has he saved?
Claire decides to solve this problem by setting up a proportion. What should her proportion look like?
A) 300/100 = X/450
B) x/100 = 300/450
C) x/100 = 450/300
D) 450/100 = x/300

Math
Basic MathThe number of frogs (f) in the pond is proportional to the number of salamanders (s) placed in the pond. Suppose there are 10 frogs for each salamander. Which equation represents the total number of frogs in the pond?
s=10f
f=10s
f = 10/s
s=f+10

Math
Basic MathThe circumference of a circle with a radius of 5.8 inches is
?in. Use 3.14 for pi. (Round to the nearest hundredth).

Math
Basic MathThe floor area of a furniture storeroom is 500 square yards. One sofa requires 3 square yards and one dining table requires 4 square yards of space. The room can hold a maximum of 150 pieces of furniture. Let s represent the number of sofas and t represent the number of tables. Write a system of inequalities to represent the number of pieces of furniture that can be placed in the storeroom.

Math
Basic Math# 18. Which of the following is a property of a parallelogram?
A The diagonals are congruent.
C The diagonals bisect the angles.
B The diagonals bisect each other.
D The diagonals are perpendicular.

Math
Basic MathThe equation 4 = 1300(1.02) is being used to calculate the amount of money in a savings account. What does 1.02 represent in this equation?
1) 0.02% decay
2) 0.02% growth
3) 2% decay
4) 2% growth

Math
Basic MathYou kick a football at an angle of 55° with an initial speed of 63 feet per second. Estimate to the nearest foot, the horizontal distnace traveled by the
football. d = v2/32 sin 2θ.