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becky

Questions (189)

Let theta be an angle such that sin(theta) = 4/5 and cos(theta) = 3/5. What are cos(theta - pi) and cos(theta - pi/2), in that
1. 1 answer
2. 38 views
Let z be a complex number such that z + 1/z = 1. What is z^3?
1. 1 answer
2. 24 views
A bag contains five white balls and three black balls. Your goal is to draw two black balls.You simultaneously draw two balls at
1. 1 answer
2. 73 views
At a meeting, 5 scientists, 2 mathematicians, and a journalist are to be seated around a circular table. How many different
1. 1 answer
2. 153 views
Let f(x) = \left \lfloor \frac{2 - 3x}{x + 3} + x^2 \right \rfloor.Find f(1) + f(2) + f(3) + ... + f(999) + f(1000).
1. 1 answer
2. 128 views
The function f(x) is defined for 1 \le x \le 5 as follows:f(x) = 2x + 8 if 1 \le x \le 2 f(x) = 13 - 5x if 2 < x \le 3 f(x) = 20
1. 1 answer
2. 56 views
Find a six-digit multiple of 64 that consists only of the digits 3 and 2.
1. 1 answer
2. 77 views
Let $x$ be an acute angle such that $\tan x + \sec x = 2 \cot x + \csc x.$ Find $\cos x$.
1. 1 answer
2. 59 views
Arrange the following numbers in increasing order (smallest first, biggest last):A = 2^(1/2)*4^(1/6)*8^(1/3) B = 12*128 C =
1. 1 answer
2. 79 views
Solve the inequality $-4(x + 4) > x + 7 + 6x + 14.$ Give your answer as an interval.
1. 1 answer
2. 39 views
Solve the inequality 2x - 5 <= -x + 12 - 7x + 18.
1. 1 answer
2. 36 views
Write the equation for the perpendicular bisector of the line segment connecting the points $(3,2)$ and $(-1,7)$ in the form $y
1. 1 answer
2. 98 views
Fill in the blanks with integers, and select the correct operator ($+$ or $-$), to give an equation whose graph is the line that
1. 1 answer
2. 76 views
Line $\ell_1$ represents the graph of $3x + 2y = -14 - 8x + 5y$. Line $\ell_2$ passes through the point $(5,-6)$, and is
1. 1 answer
2. 71 views
Here is a summary of some inequality rules.Fill in the blanks to complete the rules. (The first rule is already complete.) You
1. 1 answer
2. 66 views
Five workers have been hired to complete a job. If one additional worker is hired, they could complete the job $15$ days
1. 1 answer
2. 71 views
For a certain value of $k$, the system\begin{align*} x + y + 3z &= 10, \\ x - 2y + 8z &= 7, \\ kx + 5z &= 3<#> \end{align*}<#>
1. 1 answer
2. 92 views
Three runners, Dirk, Edith, and Foley all start at the same time for a $24$ km race, and each of them runs at a constant speed.
1. 1 answer
2. 106 views
Ruth has a beaker containing a solution of $800$ mL of acid and $200$ mL of water. She thinks the solution is a little strong,
1. 1 answer
2. 77 views
Our badminton team has finished $75\%$ of its season. So far, we have won $35\%$ of the games we played. What percent of the
1. 1 answer
2. 70 views
Find the number of positive integers that satisfy both the following conditions:* Each digit is a $1$ or a $2$ or a $3$ * The
1. 1 answer
2. 82 views
Find the sum of the squares of the roots of $2x^2+4x-1=x^2-8x+3$.
1. 1 answer
2. 60 views
The quadratic equation $x^2-mx+24 = 10$ has roots $x_1$ and $x_2$. If $x_1$ and $x_2$ are integers, how many different values of
1. 1 answer
2. 81 views
Solve for $n$ in the equation $\frac{2-n}{n+1} + \frac{2n-4}{2-n} = 7$.
1. 1 answer
2. 44 views
Let $x$ and $y$ be nonnegative real numbers. Find the smallest real number $k$ such that\[\sqrt{x} + \sqrt{y} \le k \sqrt{x +
1. 1 answer
2. 136 views
A rotcaf is the number that results from adding a number and the greatest factor of the number that is less than the number. For
1. 1 answer
2. 53 views
What is the largest number of consecutive odd positive integers that can be added together before the sum exceeds $40$?
1. 1 answer
2. 77 views
Find the number of integers that satisfy $x(3x-4) \le \frac{6x^2 - 3x + 5}{5}$.
1. 5 answers
2. 66 views
Find the values of $x$ that satisfy $x^2-2x>35-x$. Express your answer in interval notation.
1. 3 answers
2. 128 views
The height (in meters) of a baseball follows a trajectory given by $h(t) = -4.9t^2 + 14t - 0.4$ at time $t$ (in seconds). As an
1. 1 answer
2. 104 views
What is the area of the region defined by the equation $x^2+y^2 - 7 = 4y-14x+2x-6y+3$?
1. 1 answer
2. 42 views
For what value of $c$ will the circle with equation $x^2 - 10x + y^2 + 10y + c = 0$ have a radius of length 1?
1. 1 answer
2. 47 views
The measures of the interior angles of a convex hexagon form an increasing arithmetic sequence. How many such sequences are
1. 1 answer
2. 103 views
I draw a card from a standard $52$-card deck. If I draw an Ace, I win $1$ dollar. If I draw a $2$ through $10$, I win a number
1. 1 answer
2. 135 views
Suppose x-3 and y+3 are multiples of 7. What is the smallest positive integer, n, for which x^3+x^2*y^2+x+n is a multiple of 7?
1. 1 answer
2. 122 views
Find the number of non-congruent right triangles, where all the sides are positive integers, and one of the legs is $25$.
1. 1 answer
2. 42 views
Find the number of non-congruent right triangles, where all the sides are positive integers, and one of the legs is $6$.
1. 1 answer
2. 45 views
Find the number of non-congruent right triangles, where all the sides are positive integers, and one of the legs is $162$.
1. 1 answer
2. 52 views
Find the multiplicative inverse of 450 modulo 359. (Express your answer as an integer n with 0 <= n < 359). You can use the fact
1. 1 answer
2. 78 views
Dario decides to take each one of the 4 pieces and share it equally among the 5 of them. First, he divides one piece into 5
1. 1 answer
2. 105 views
The following question has two parts. First, answer part A. Then, answer part B. The following information applies to both
1. 1 answer
2. 169 views
Trish is sorting bolts for her home repair business. She has an 8-pound bag of bolts. If each kitchen her team repairs 1/5 -
1. 1 answer
2. 203 views
Kylie brought 5 pears to soccer practive to share with her teammates. She cuts each pear into thirds. how many slices of pears
1. 1 answer
2. 221 views
A baker has a container with 1/4 pound of blueberries. The baker wants to use an equal amount of blueberries on 8 desserts. how
1. 1 answer
2. 151 views
James had a large back of raisins and he ate 3/4 of it over the weekend. On Monday, he decided to share the remaining raisins
1. 1 answer
2. 181 views
Thomas has some leftover paint that he would like to sell. He mixes 4 3/8 gallons of blue paint with 6 5/8 gallons of white
1. 2 answers
2. 174 views
9 divided by 1/3
1. 1 answer
2. 70 views
Emily ha 1/2 yard of wrapping paper. She will use the same amount of wrapping paper to wrap 3 packages. How much wrapping paper,
1. 1 answer
2. 174 views
Carl wants to give away 1/3 of his baseball card collection. He is goint to divide it among his 3 friends. What fraction of the
1. 1 answer
2. 110 views
Which is the quotient of 1/5 divided by 3?a. 1/2 b. 1/8 c. 1/12 d. 1/15
1. 1 answer
2. 72 views
Select the expression that represents the following problem: A glass holds one fourth liter of liquid. How many glasses of
1. 1 answer
2. 110 views
Use the whole number part of the ____ as the whole number part of the mixed number part of the mixed number. Write the ____ in
1. 1 answer
2. 166 views
Examples of reasons americans do or don't have a healthy diet?
1. 1 answer
2. 92 views
Please list the organisms in the ocean
1. 1 answer
2. 85 views
3. which of the following is covered by the term intellectual property?a. copyrighted material plus intangible things like
1. 3 answers
2. 231 views
2. what is piracy?a. the use of copyright in federal court b. copying, downloading, reproducing, or distributing materials
1. 2 answers
2. 171 views
which of the following terms refers to the legal protection provided against copying, distributing, performing, or changing both
1. 1 answer
2. 343 views
Leonard has twice as much money as Danny. If Leonard has x dollars, then Danny has _2/x_ dollars. -im unsure about this answer
1. 1 answer
2. 830 views
For the given word problem, identify the rate of change.Gasoline at a particular gas station costs $2.78 per gallon. If Cory
1. 4 answers
2. 606 views
which one of the following conclusions is supported by the results of these studies?(1) characsticts other than ones name have
1. 1 answer
2. 590 views
1. Sam solved the following problem:-4x + 5 > 29 -4x + 5 - 5 > 29 - 5 -4x > -24 -4x/-4 > -24/-4 x > 6 What were his two
1. 4 answers
2. 395 views
what volume of chlorine is required to produce 25.4grams of copper II chloride at 18 degrees celsius and 2.13 atm
1. 1 answer
2. 1,275 views
Express each of the following in terms of another angle between 0 degrees and 180 degreesa. sin 50 degrees b. sin 150 degrees c.
1. 3 answers
2. 2,508 views
In Chapter 40, Sal receives the gift of a chicken from Ben. The chicken’s name is Blackberry.Explain the irony in Ben’s gift
1. 18 answers
2. 1,704 views
how did christian ideas spread to europe
1. 1 answer
2. 557 views
what is "Happiness Is a Charming Charlie Brown at Orlando Rep" genre
1. 28 answers
2. 2,713 views
The contents of a can of air freshener are gaseous when sprayed, but remain a liquid whilein the can due to ___.
1. 3 answers
2. 1,717 views
When exposed to the same amount of heat for the same amount of time, a 3 g sample ofcopper will experience a greater temperature
1. 2 answers
2. 2,003 views
When molecules of water vapor in the air come into contact with a cold can of soft drink,they lose energy, slow down, and form a
1. 1 answer
2. 649 views
rectangular measures 20 feet by 15 feet contains 8.5 square foot flower bed what area is left
1. 1 answer
2. 384 views
if p varies inversely as the square of q and p=8 when q=4.find q when p=32
1. 4 answers
2. 2,895 views
A sealed cylinder of gas contains nitrogen gas at 1.00 ✕ 103 kPa pressure and a temperature of 28°C. The cylinder is left in
1. 2 answers
2. 1,913 views
Nussbaum claims that Aristotle had this important idea about political government: (Points : 1)It ought to be ruled by the
1. 1 answer
2. 475 views
multiply and find the excluded value(s)d^2+1/d+7*5d/d-1d
1. 1 answer
2. 325 views
How can I convert a rate constant from mol to t/M.I have 0.00012 mol of AcHpresent at 5min .Know I want to calculate the
1. 0 answers
2. 427 views
need help on finding research on health care innovacation
1. 1 answer
2. 394 views
what are the excluded values?y+5/y^2+4y-32
1. 2 answers
2. 1,273 views
What are the excluded values?2/x(x-3)
1. 2 answers
2. 1,729 views
Suppose that 20% of the population uses Brand X laundry soap. If 9 customers at a supermarket are surveyed, what is the
1. 0 answers
2. 611 views
The popul Vuh indicates that the mayans valued
1. 3 answers
2. 971 views
tourism is essential to the economies of which two nations?A.haiti and the dominican republic B.haiti and jamaica C.haiti and
1. 9 answers
2. 928 views
can someone help me out here? please and thanksHow has Mexico's culture been shaped by conflict among different people?
1. 3 answers
2. 590 views
can someone help me out here? please and thanksHow has Mexico's culture been shaped by conflict among different people?
1. 3 answers
2. 674 views
please checkk3. Mexico is building a stronger workforce by A.holding free elections B.permitting remissions C.eliminating
1. 3 answers
2. 1,001 views
Which of the following words most likly comes for africa?A.boutique B.safari C.violin D.allegro i pick B.
1. 1 answer
2. 456 views
triangle GHEGH=10 HE = 17 hypotenuse GE =21 HF is an altitude Find HF
1. 2 answers
2. 522 views
the half life of the carbon isotope C14 is about 5700 years.A. about how many years does it take 1000 grams of this substance to
1. 1 answer
2. 995 views
A 74 kg box rests on a level surface. The coefficient of static friction, µS = 1.1 and the coefficient of kinetic friction, µK
1. 1 answer
2. 534 views
In Which oneof the following sentences is the number written correctly? A.the parcel of land was advertised as two hundred
1. 0 answers
2. 506 views
What is the hydrogen ion concentration, in mol dm−3, when 2.00 g of sulfuric acid is dissolved in water to give 0.400 dm3 of
1. 2 answers
2. 447 views
An elevator has a mass of 500 kg. It may safely carry an additional mass of 1000kg and accelerate upward at 2m/s2. What is the
1. 1 answer
2. 1,510 views
If you triple 4 and subtract 2 each day, how many days until you have zero?*
1. 1 answer
2. 380 views
A line with a slope of -2 passes through the point (1, 7). What is the closest point on the line above (1, 7) which has whole
1. 2 answers
2. 686 views
how do you figure out the diameter of a pipe that is 40 feet high and holds 200000 gallons
1. 1 answer
2. 285 views
In a time-use study, 20 randomly selected managers were found to spend a mean of 2.40 hours each day on paperwork. The standard
1. 0 answers
2. 1,062 views
Carnation needs to buy a $12,500 part the part company is offering cash discount terms of 4/10, n30. Carnation has a tight cash
1. 0 answers
2. 1,139 views
The weights of adult long-tongued fruit bats are known to be normally distributed with a mean of 20.22 grams and a standard
1. 1 answer
2. 727 views
i have 3 numbers 10,7,and 6 and need to make them work in 35...but it cant be like 7 into 35 it has to be all 3 numbers and can
1. 2 answers
2. 368 views
Determine the velocity of a satellite orbiting Earth at a height of 3.2 x 10^3 meters.
1. 0 answers
2. 690 views
Jessica, who mass is 55 kg, is 3.50 meters away from a 0.20 kg bag of Fig Newtons. What is the gravitational force between
1. 0 answers
2. 489 views

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