All Questions ⁺⁰230935 Questions

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309

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+111

It’s hard

Brian has a challenging training regimen. He trains for two hours every other day. Out of these two hours he jogs for 13 minutes, stretches for 6 minutes, sprints for 3 minutes, rides a bicycle for 8 minutes, and read more ..

Ticon6 Jan 16, 2022

0

301

1

Algebra

What real value of t produces the smallest value of the quadratic t^2 -12t - 36 + ?

Guest Jan 16, 2022

0

369

8

+111

math

Tom has 8 cubes. Eva has half as many cubes as Tom. How many cubes do they have in total?

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Ticon6 Jan 16, 2022

0

269

1

Time

Our teacher wanted our class to write a story about our daily as a citizen. Cameron spent a lot of time writing his story. He spent 48 minutes on Tuesday, 14 minutes on Wednesday, 1 hour and 27 minutes on Thursday, and finally finished on Friday after spending read more ..

Guest Jan 16, 2022

0

230

1

Math

A piece of peanut butter fudge costs 33 cents. April has 2 dimes and 3 pennies. How many more Pennie's does she need to make 33 cents?

Guest Jan 16, 2022

0

176

0

Domain

Let f(x) = x^2 + 2x + 5. If the domain of f is all real numbers, then f does not have an inverse function, but if we restrict the domain of f to an interval [c,\infty), then f may have an inverse function. What is the smallest value of c we can use here, read more ..

Guest Jan 16, 2022

Jan 15, 2022

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297

3

geometry

Let abc be a triangle and d be a point on ac such that ab = bd = cd. given that angle bac is degrees, find angle abc

Guest Jan 15, 2022

+1

376

15

Triangle

In triangle PQR, PQ=13 , QR=14 , and PR= . Let M be the midpoint of QR . Find PM.

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Guest Jan 15, 2022

+1

382

2

+31

Strange property of fibbinary numbers - proof

A fibbinary number is a number whose binary representation contains no consecutive s.

Prove that the number of non-negative fibbinary numbers less than or equal to is always .
read more ..

ibhar Jan 15, 2022

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167

0

Complex Numbers

Find all complex numbers z such that |z - 3| = |z + i| = |z - 1 - 2i|.

Guest Jan 15, 2022

0

310

1

help plz

For how many integer values of a does the equation
x^2 + ax + 8a = 3x + 4
have integer solutions for x?

Guest Jan 15, 2022

0

167

0

Proportion

The square of a and the square root of b vary inversely. If a = 2 when b = 81, then find b when ab = 81a .

Guest Jan 15, 2022

0

293

1

Mathematics

Mr. James works a basic week of 40 hours at a rate of $1,600 an hour. His overtime rate is $400 per hour MORE than his basic rate.
Calculate:
1. His total wage for a basic week. read more ..

Guest Jan 15, 2022

0

295

1

Number Theory

How many different prime numbers divide evenly into $40^4-19^4$?

Guest Jan 15, 2022

0

299

1

Parabola

The vertex of the parabola described by the equation 3y=2x^2+16x+28 is (m, n). What is m+n?

Guest Jan 15, 2022

0

228

1

Geometry

The measure of one of the smaller base angles of an isosceles trapezoid is $60^\circ$. The shorter base is 5 inches long and the altitude is inches long. What is the number of inches in the perimeter of the trapezoid?

Guest Jan 15, 2022

0

290

1

how to solve

Guest Jan 15, 2022

0

339

1

Geometry help! Thank you all!

P.J. has a cylindrical mug with a 3-inch diameter. His mug is filled to a height of 6 inches with grape juice. Schuyler has a cylindrical mug with a 4-inch diameter. To what height in inches must Schuyler's mug be filled so that he receives the same amount read more ..

Guest Jan 15, 2022

0

274

1

Coordinates

The center of the circle with equation x^2+y^2=4x-12y-39 is the point (h,k). What is h+k?

Guest Jan 15, 2022

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204

0

Graphing

Suppose the graph of y = f(x) includes the points (1,-5), (2,3) and .
Based only on this information, there are two points that must be on the graph of y = f(f(x)) . If we call those points (a,b) and (c,d) what is ab + cd? read more ..

Guest Jan 15, 2022

0

288

1

Logarithms

Find a/b when 2 * log (a -2b) = log (a) + log (b).

Guest Jan 15, 2022

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300

1

Graphing question

The graph of y=f(x) is shown in red below. For how many values of c is f(c) = -1?

Guest Jan 15, 2022

0

174

0

Function Quadrant Trigonometric Value

Guest Jan 15, 2022

0

323

1

HELP DUE IN 5 MINUTES!!!!!

For what values of the constant b does the equation 3x^2+bx+27 = 0 have a double root

Guest Jan 15, 2022

-1

335

1

HELP DUE VERY SOON!!!!!

In each part below, find the positive constant C that makes the quadratic the square of a binomial
A( x^2+cx+121 B( y^2+11y+c

Guest Jan 15, 2022

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