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298

need help

Find the remainder when 3*3^2*3^3*...*3^43*3^44*3^45 is divided by 11.

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Guest Feb 6, 2022

308

Parabola

A parabola with equation y = x^2 + bx + c passes through the points (-1,-11) and (3,19). What is c?

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Guest Feb 6, 2022

170

Functions

Let
f(x) = 2x^2 - 3 if x >= 2
ax + 7 if x > 2
Find a if the graph of y = f(x) is continuous (which means the graph can be drawn without lifting your pencil from the paper). read more ..

Guest Feb 6, 2022

166

Need help

A die is rolled 5 times. What is the probability that a number greater than 5 is rolled at least once? Write your answer rounded to 3 decimal places.

Guest Feb 6, 2022

304

Probability

Six 6-sided dice are rolled. What is the probability that exactly two of the dice show a 1 and exactly three of the dice show a 2? Express your answer as a common fraction.

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Guest Feb 6, 2022

300

Number Theory

Given that is a multiple of 23478, what is the greatest common divisor of (2x + 3)(7x + 2) and x?

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Guest Feb 6, 2022

179

Help, please

Define points A(-3,5) , B(-5,-3) , C(7,9) , and D(1,3) Find the distance between the midpoint of line AB and the midpoint of line CD

Guest Feb 6, 2022

Feb 5, 2022

301

Number Theory

Find the remainder when 1^2 + 2^2 + 3^2 + ... + is divided by 15.

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Guest Feb 5, 2022

318

geometry question

Two side lengths of a triangle are 11 and . What is the longest possible integer length of the third side of the triangle?

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Guest Feb 5, 2022

296

help with geometry

Two circles, centered at A and B are externally tangent to each other, and tangent to a line L. A third circle, centered at C is externally tangent to the first two circles, and the line L. If the radii of circle A and circle B are 9 and 25, respectively, read more ..

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Guest Feb 5, 2022

236

PLZ ANSWER QUICKLY!!!!!

Solve the following system of equations:
Express your answer as an ordered pair

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Guest Feb 5, 2022

337

Counting problem

What is the greatest number of points of intersection that can occur when different circles and different straight lines are drawn on the same piece of paper?

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Guest Feb 5, 2022

316

Partial fractions

Enter (A,B,C,D) in order below if A, B, C, and D are the coefficients of the partial fractions expansion of
(x^3 + x^2 - 2x + 8)/((x^2 - 1)(x^2 - 3x + 2)) = A/(x - 1) + B/(x + 2) + C/(x + 1) + D/(x + 1)^2.

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Guest Feb 5, 2022

177

Determine a mapping of the form (x, y)→(_, _)from y = f(x) for each of the following.

y=−1/4f(7x)
y = -2f(-2/3x)

Guest Feb 5, 2022

306

Number Theory

The prime factorization of 2007 is 3^2*223. How many ordered pairs of positive integers (x,y) satisfy the equation $xy^2=2007$?

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Guest Feb 5, 2022

322

help math

What is the sum of all the odd integers between 300 and ?

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Guest Feb 5, 2022

185

help polygon

The exterior angles of a k-sided polygon form an arithmetic sequence. The smallest and largest interior angles of the polygon are 136 and 144. What is k?

Guest Feb 5, 2022

225

Help

Let u and v be linearly independent unit vectors. Find the set of all possible values of u*v. Give your answer in interval notation.

note: bold u and v are vectors.

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Guest Feb 5, 2022

400

Before factoring using ax^2+bx+c, two other types of factoring should be tested.

Before factoring using ax^2+bx+c, two other types of factoring should be tested.
a) Explain how these two types may simplify your work.
b) Give one example of each of these two types from the questions in part A

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SIMBA Feb 5, 2022

336

Parabolas

Find the equation whose graph is a parabola with vertex (2,4), vertical axis of symmetry, and contains the point (1,-11). Express your answer in the form "ax^2+bx+c".

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Guest Feb 5, 2022

333

Probability

Consider an opaque bag with 5 green marbles, 3 blue marbles, and 2 red marbles. c. If two marbles are drawn without replacement what is the probability that the both marbles are the same color?

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Guest Feb 5, 2022

233

math problem

Mable has a penny, a nickel, a dime, and a quarter (1, 5, 10, and 25 cents, respectively).How many different amounts can Mable make using at least one of the coins she has, if the amount must be an even number of cents?

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Guest Feb 5, 2022

279

Help

Protein is an important component of a healthy diet. It builds muscles, bones, and cartilage.
Children should eat around 35 grams of protein each day. As part of a class project, Mr. Dobbs
had his students track the amount of protein they ate in a read more ..

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Guest Feb 5, 2022

-1

313

Algebra

The average of five consecutive natural numbers is m. If the next three natural numbers are also included, how much more than m will the average of these 8 numbers be ?

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Guest Feb 5, 2022

341

Round to nearest hundredth.... 3.14115^218/3

Round to nearest hundredth.... 3.141*15^2*18/3

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Guest Feb 5, 2022

All Questions ⁺⁰235535 Questions

need help

Parabola

Functions

Need help

Probability

Number Theory

Help, please

Number Theory

geometry question

help with geometry

PLZ ANSWER QUICKLY!!!!!

Counting problem

Partial fractions

Determine a mapping of the form (x, y)→(_, _)from y = f(x) for each of the following.

Number Theory

help math

help polygon

Help

Before factoring using ax^2+bx+c, two other types of factoring should be tested.

Parabolas

Probability

math problem

Help

Algebra

Round to nearest hundredth.... 3.14115^218/3

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