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315

Algebra

Linda drove 50 miles from San Jose to San Francisco in 90 minutes. For the first 30minutes, without much traffic, her average speed was 80 miles an hour. In the second 30 minutes, due to a traffic accident along US 101, her average speed dropped to 25miles read more ..

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Guest Jun 6, 2022

328

help plz

The equation y = -6t^2 + 51t describes the height (in feet) of a projectile launched from the surface of Mars at 51 feet per second. In how many seconds will the projectile first reach 30 feet in height?

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Guest Jun 6, 2022

298

. 100o angle is equal to _____ Radian a. 𝜋 2 b. 3𝜋 4 c. 2𝜋 3 d. 5𝜋 9

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Guest Jun 6, 2022

302

Algebra

Determine the unique pair of real numbers (x,y) satisfying (3x^2 + 5)(2y^2 + 8) = 40.
Enter your answer as an ordered pair in the format (x,y), where x and y are replaced by appropriate numbers.

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Guest Jun 6, 2022

340

How many ways are there to put 5 bs in 2 boxes if the bs are not distinguishable but the boxes are?

How many ways are there to put 5 b***s in 2 boxes if the b***s are not distinguishable but the boxes are?

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Guest Jun 6, 2022

211

Function

The function f:R -> R satisfies
f(x)f(y) = f(x + y)
for all real numbers x and y. Find all possible functions f.

Guest Jun 6, 2022

300

help hard algebra

Consider the system of quadratic equations y =3x^2 - 6x, y = 2x^2 + x - c, where c is a real number.

(a) For what value(s) of c will the system have exactly one solution (x,y)?
read more ..

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Guest Jun 6, 2022

229

Function

Let
f(x) = x + 3 if x <= 0
f(x) = 2x + 5 if x > 0
read more ..

Guest Jun 6, 2022

323

limit when denominator is 0?

Hello!
I'm having difficulty finding the limit of function x / ((x^2) - 4)) as x approaches 2 from the left (x--> 2-). My textbook tells me that the limit would be -infinite, but how does this work? With 0 in the denominator, wouldn't read more ..

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Guest Jun 6, 2022

288

help geo

A box has a total surface area of 100. The length of the box is equal to twice its width, as well as equal to 8 less than its height. What is the height of the box?

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Guest Jun 6, 2022

312

help

What is the sum of all the integers between -12.1 and ?

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Guest Jun 6, 2022

217

HELP NOW PLSSS COMPLEX NUMBERS

If Z=7i-24, a<=|Z+2|<=b, what is the value of b-a?
I tried 0, 13, and 3sqrt(73).
Please help, I need answer in a week.

Guest Jun 6, 2022

334

help pls

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Guest Jun 6, 2022

294

Quadratic

The equation y = x^2 - 18x - 33 describes the height (in feet) of a ball tossed up in the air at 26 feet per second from a height of 105 feet above the ground. In how many seconds will the ball hit the ground? Express your answer as a decimal rounded to read more ..

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Guest Jun 6, 2022

Jun 5, 2022

303

Rate problem

To save energy, the speed of the airport moving walkway was slowed down by 10% and as a result it takes an extra seconds for it to complete the “trip”. How long, inseconds, does it take to complete the trip after the slow down?

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Guest Jun 5, 2022

386

Stats

Suppose ten distinct, positive integers have a median of . ("Distinct integers" means that no two integers are the same.)
What is the smallest the average of those ten integers could be?

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Guest Jun 5, 2022

286

coordinates question

A triangle in the coordinate plane has vertices at (−4, 0), (6, 0) and (0, 5). The line y = 5 4 x + c, where c is a positive number, divides the triangle into a trapezoid and a smaller triangle whose areas, respectively, are in the ratio . What is the value read more ..

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Guest Jun 5, 2022

279

help me

There are twice as many students in the cooking club as in the drama club. Suppose there are a students in the drama club and b students who are members of both clubs. Find an expression for the total number of students who are in the read more ..

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Guest Jun 5, 2022

282

Counting

There are 10 points on a circle. By connecting two of these points, a chord of the circle is formed. All together there are 45 such chords. If no three chords share a common point in the interior of the circle, find the number of intersection read more ..

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Guest Jun 5, 2022

225

Function

Suppose that f(x) and g(x) are functions on R such that the range of f is [-5,5], and the range of g is [-2,2]. The range of f(x) times g(x) is [a,b]. What is the largest possible value of b?

Guest Jun 5, 2022

278

Number Theory

N is a four-digit positive integer. Dividing N by 9 , the remainder is 5. Dividing N by 7, the remainder is 5. Dividing N by 5, the remainder is 1. What is the smallest possible value of N?
<read more ..

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Guest Jun 5, 2022

299

help quadratic

For what real values of a is x^2 + ax + 125 the square of a binomial? If you find more than one, then list the values separated by commas.

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Guest Jun 5, 2022

312

Polynomials

The polynomial equation x^3 + bx + c = 0 where b and c are rational numbers, has 1 + sqrt(2) as a root. It also has an integer root. What is it?

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Guest Jun 5, 2022

309

interval notation

Express this collection of points on the number line using interval notation.

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Guest Jun 5, 2022

275

Math problem

In the equation 1/j + 1/k = 2/3, both j and k are positive integers. What is the sum of all possible values for k?

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Guest Jun 5, 2022

All Questions ⁺⁰237689 Questions

Algebra

help plz

. 100o angle is equal to _____ Radian a. 𝜋 2 b. 3𝜋 4 c. 2𝜋 3 d. 5𝜋 9

Algebra

How many ways are there to put 5 bs in 2 boxes if the bs are not distinguishable but the boxes are?

Function

help hard algebra

Function

limit when denominator is 0?

help geo

help

HELP NOW PLSSS COMPLEX NUMBERS

help pls

Quadratic

Rate problem

Stats

coordinates question

help me

Counting

Function

Number Theory

help quadratic

Polynomials

interval notation

Math problem

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