All Questions ⁺⁰237800 Questions

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+4

Evaluate -10+16/(-2)+7 and show your work

Evaluate -10+16/(-2)+7 and show your work

Jlakers Aug 31, 2021

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371

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Need Help as soon as possible

Find the value of B - A if the graph of Ax + By = 3 passes through the point (-7,2), and is parallel to the graph of x + 3y = -5.

Guest Aug 31, 2021

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410

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math

Chen is bringing fruit and veggies to serve at an afternoon meeting. He spends a total of $28.70 on 5 pints of cut veggies and 7 pints of cut fruit. The food cost is modeled by the equation , where v represents the cost of one pint of cut veggies and read more ..

Guest Aug 31, 2021

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494

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Find all values of a such that

Find all values of a such that

Guest Aug 31, 2021

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431

1

Repost: Help

https://web2.0calc.com/questions/help_56523

Guest Aug 31, 2021

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319

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Counting

How many 10-digit binary numbers start with 2 ones or end with 3 ones (or both)?

Guest Aug 31, 2021

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271

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Algebra

Let a and b be the solutions of the equation 2x^2 + 10x + 5 = 0. What is the value of (2a - 3)(4b - 6)?

Guest Aug 31, 2021

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292

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Algebra

Guest Aug 31, 2021

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294

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Algebra

The roots of the equation 2x^2 - mx + n = 0 sum to -6 and multiply to 10. What is the value of m + n?

Guest Aug 31, 2021

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281

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help plz

Suppose x/(x^3 - x^2 + 21x + r45) = A/(x + 5) + B/(x - 3) + C/(x - 3)^2
where A, B, and C are real constant. What is A?

Guest Aug 31, 2021

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480

1

Three runners, Dirk Edith and Foley, all start at the same time for

Three runners, Dirk Edith and Foley, all start at the same time for a km race, and each of them runs at a constant speed. When Dirk finishes the race Edith is km behind. When Edith Finishes the race, how far behind is foley, in km?

Guest Aug 31, 2021

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454

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math

1/4 divided by -3/8

Guest Aug 31, 2021

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348

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Graphing

The graph of y = f(x) is a parabola whose vertex is at (1, -2). The graph of y = f(x + 8) is also a parabola. Where is the vertex of the graph of y = f(x + 8)? Write your answer as an ordered pair.

Guest Aug 31, 2021

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443

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Math

- 7/10 divided by 2/5

Guest Aug 31, 2021

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292

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Parabola

find the equation of a parabola whose vertex is at (-1,7), whos axis of symmertry is x=-1, and who's y-intercept is (0,20). write your answer in vertex form.

Guest Aug 31, 2021

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480

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Sequence

Given a_0 = 1 and a_1 = 5 and the relation $2a_n - a_{n + 1} a_{n - 1} = (-1)^n$ for n >= 1, find a_3.

Guest Aug 31, 2021

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364

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PLS HELP SO BAD!!!

Mira was sitting for her driving theory test which consisted of multiple choice questions. By the first hour, she completed 2/5 of the questions. After another half an hour, she managed to answer another 14 questions and the ratio of the number of question read more ..

Guest Aug 31, 2021

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403

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Review Unit 1 - Analyzing Numerical Data

Find the width, height and area of a 26” TV screen that has an aspect ratio of 4:3.
a.)Draw the diagram read more ..

Guest Aug 31, 2021

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333

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Algebra

The sum of the squares of two consecutive positive odd numbers is 650. Find the numbers.

Guest Aug 31, 2021

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443

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geometry

In triangle ABC, AB = 3 and BC = 15. Find the number of possible integer values of CA. (not including degenerate triangles)

Guest Aug 31, 2021

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325

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need help

A sandwich buffet has 5 different types of meat, 3 different types of cheese, and 4 different types of bread. If Dagwood makes a sandwich using 1 type of meat, 1 types of cheese, and 1 type of bread, How many different sandwiches could be made? read more ..

Guest Aug 31, 2021

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377

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pre Algebra help plz

solve the equation

-3 = 6a - 1 - 5a

Guest Aug 31, 2021

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460

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Challenging question this year?

At first, Box F had 18 pears and 42 lemons while Box G had 36 pears and 50 lemons. Then, some lemons were moved from Box F to Box G and some pears were moved from Box G to Box F. In the end, Box F contained pears and lemons in the ratio 3:4 while read more ..

Guest Aug 31, 2021

+1

359

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I need explanation

On Monday, some Mathematics worksheets were printed. The number of worksheets printed on a Monday was 3/2 times of those printed on Tuesday. The average number of worksheets printed on the following 3 days was 44 more than 3/4 times the number of Mathematics read more ..

Guest Aug 31, 2021

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