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Questions (37)

Put the equation below in the form ax^2+bx+c=0.-x^2+3=(4x+1)^2, I've been stuck on this for the past hour, could someone please
1. 1 answer
2. 519 views
Terry and Sandra both found the sum of two 4-digit numbers, but their results were not the same. If Terry made an error of
1. 4 answers
2. 2,138 views
When the production manager finds the average life of her bulb-lifetime data, it is an example of what phase of inferential
1. 3 answers
2. 2,862 views
You draw two cards from a well-shuffled deck of 52 cards. After you draw the first card, you do not replace it in the deck. The
1. 1 answer
2. 635 views
Trina's employer purchased a health insurance plan that costs $550 per month. Trina pays $85 toward the plan each month. What is
1. 5 answers
2. 2,043 views
An architect's compensation package includes the total cost of a $250-per-month health insurance plan, the total cost of a
1. 5 answers
2. 2,841 views
Which of the following graphs of exponential functions corresponds to a geometric sequence with a 1st term of 6 and a ratio of
1. 3 answers
2. 1,076 views
The simple formula for the nth term of an arithmetic sequence is an = 4n + 16. What is the explicit formula corresponding to the
1. 2 answers
2. 1,133 views
Which of the following methods can be used to construct a pattern of 10 numbers for which it would be mathematically impossible
1. 2 answers
2. 1,740 views
Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 70% of those not from
1. 0 answers
2. 481 views
Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 60% of those not from
1. 0 answers
2. 395 views
The triangle with vertices (0, 0), (2, -5), and (7, -3) is?a. right. b. equilateral. c. isoceles. d. scalene.
1. 1 answer
2. 403 views
A parent function generates a family of functions that are related to the parent by a combination of _____.
1. 1 answer
2. 513 views
Consider the sample space S = {1, 2, 3, . . ., 10}. Let A = all odd numbers in S. Let B = all multiples of 3 in S. Compute P(B |
1. 1 answer
2. 388 views
Which of the following may constitute a population? (choose all that are correct.)A. all rats in New York. B. all nurses in a
1. 5 answers
2. 874 views
Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 60% of those not from
1. 1 answer
2. 475 views
A valid password on a Web site contains 3 letters (A-Z, 26 total), followed by 3 digits (0-9). Letters and numbers can be
1. 1 answer
2. 583 views
A valid password on a Web site contains 3 letters (A-Z, 26 total), followed by 3 digits (0-9). Letters and numbers can be
1. 0 answers
2. 519 views
Calculate the product of the binomials below. Use the caret ( ^ ) to enter any exponents; for example, write x2 as x^2. Write
1. 1 answer
2. 631 views
What is the coefficient of the xy^2 term in the expansion of (3x + y)^3? Use the binomial theorem.
1. 1 answer
2. 1,163 views
Factor by grouping.36 + ab + 2b + 18a A. (a-2)(b-18) B. (a+2)(b+18) C. (a+2)(18a+2) D. (ab+2b)(36+18a) E. this cannot be
1. 1 answer
2. 997 views
Find the difference of the polynomials below. Write your answer in descending order.(x^3 + 2x^2 + 5x + 7) - (3x^3 - 2.5x^2 + 5x
1. 3 answers
2. 822 views
Find the difference of the polynomials below. Write your answer in descending order.(x3 + 2x2 + 5x + 7) - (3x3 - 2.5x2 + 5x + 5)
1. 2 answers
2. 509 views
Consider y=x^2+8x+16.What is the correct way to factor this equation? How does this equation shift the graph of y=x^2? A. the
1. 1 answer
2. 527 views
Consider y=x^2+8x+16.What is the correct way to factor this equation? How does this equation shift the graph of y=x^2?
1. 1 answer
2. 532 views
In rectangle ABED, AC = 7 cm and DE = 10 cm. What is the length of AD? If necessary, round your answer to the nearest tenth.
1. 4 answers
2. 436 views
Suppose a parabola has its vertex at (0, 1) and its zeros at x = -2 and x = 2. Then equals _____.A. 1-1/4x^2 B. 4-x^2 C. X^2-1
1. 2 answers
2. 395 views
The solutions to the quadratic equation x^2+3x-4=0 are?(more then one answer) A. -4 B. 1 C. -1 D. 0 E. 4 F. There are no real
1. 3 answers
2. 440 views
Suppose a parabola f(x) has its vertex at (0, 25) and its zeros at x = -5 and x = 5. Then f(x)equals _____.A. 25-x^2 B. 1- 1/25
1. 3 answers
2. 418 views
Let f(x)=x^1999 and g(x)=2x-x^5. Then f(x)g(x) equals____?A. 2x^20000-x^2004 B. 2x-x^5+x^1999 C. (2x-x^5)^1999 D. 2x^1999-x^9995
1. 1 answer
2. 445 views
Let f(x)=-1-6x^2-x^3 and g(x)=-2-4x^2, then f(x)-g(x) equals___?A. 1-2x^2-x^3 B. -1-2x^2+x^3 C. 1+2x^2-x^3 D. -1+2x^2+x^3
1. 1 answer
2. 371 views
Let f(x)=-16x^2-x^3 and g(x)=-2-4x^2. Then f(x)-g(x) equals____?A. 1-2x^2-x^3 B. -1-2x^2+x^3 C. 1+2x^2-x^3 D. -1+2x^2+x^3
1. 4 answers
2. 356 views
Let f(x)=-16x^2-x^3 and g(x)=-2-4x^2. Then f(x)-g(x) equals____?A. 1-2x^2-x^3 B. -1-2x^2+x^3 C. 1+2x^2-x^3 D. -1+2x^2+x^3
1. 0 answers
2. 309 views
You can factor the polynomial f(x)=x^2-19x+70 as (x+a(x+b). The values for a and b are _____.A. a=10, b=-9 B. a=19, b=70 C.
1. 3 answers
2. 399 views
Suppose a parabola has its vertex at (0, 1) and its zeros at x = -3 and x = 3. Then equals _____.A. 9-x^2 B. 1-1/9x^2 C. x^2-1
1. 2 answers
2. 332 views
Which of the following quadratic equations have the solutions x = -3 and x = 5?A. -1/2(x+3)(x-5)=0 B. (x+3)(x-5)=0 C.
1. 0 answers
2. 454 views
The parabolas y = -3x2 + 10x - 6 and y = -3x2 - 17x + 2 intersect at _____?A.the line y = 27x - 8. B. x=the square root of 2
1. 3 answers
2. 512 views

Answers (12)

P (p > 0.23995) = P (x > 2399.5) = P (z > -2.3209) = 0.9899
Thank you! (:
oh!A!
1800. 1/3=600, and 2/3=1200. which means the whole property cost should be a multiple of 6 also. so 3/3 is $1800.
it doesn't say anything, im doing it online and there was nothing in the notes about it, but i do know the title of the section is called "samples and Population"
the center. its a rectangle broken into the triangles
Ohh! I get it now, thank you!
The vertex is at (0,4) sorry, I copied it wrong.
shoot! the problems f(x)=-1-6x^2-x^3 and g(x)=-2-4x^2, then f(x)-g(x) equals___? then same choices i have above.. im sorry! thank you for doing this though! i didn't realize i copied it wrong.. :(
Theres 3 feet in a yard, so 11*3 would be $3.30 a cubic yard and since company b already has it in cubic feet company b= 3*20, which would give you $60 dollars for 20 cubic yards, and company a= $3.30*20, which would be $66 for 20 cubic yards. the better
(x+a)(x+b) is what i meant.. sorry!
Thank youu! (:

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