All Questions ⁺⁰230590 Questions

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help

A cell phone service provider advertises its competitive price for international calling on mobile phones as one minute for 2727 cents to call Germany from the United States.

ManuelBautista2019 Jan 28, 2022

Jan 27, 2022

0

319

4

Geometry

Compute angle AGD, in degrees.

Guest Jan 27, 2022

0

270

1

Geometry

Compute angle BPC, in degrees.

Guest Jan 27, 2022

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187

0

Pleasee Help Me

Use the figure to answer the questions.

read more ..

Guest Jan 27, 2022

0

343

2

+99

MATH HELP PLS

Can someone please help me on this problem THANKS :)

Jxalskdfjarkfhqwio3r Jan 27, 2022

0

194

1

Counting

A basketball team has ten players, three of which are all stars. How many five player starting lineups can be chosen that include at least two of the all stars?

Guest Jan 27, 2022

0

438

5

I don't undertand

Find all real numbers k for which the equation (k-5)x^2-kx+5=0 has exactly one real solution. I don't understand how to start or answer this problem. I don't know how to find the discriminant, can someone help me?

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Guest Jan 27, 2022

0

261

1

help algebra

Given that x satisfies x^2 - 8x + 1 = 0 , find the value of x + 1/x.

Guest Jan 27, 2022

0

297

1

+1622

algebra binomial help

please help me with this:

What is the constant term in the expansion of ?

I don't know quick tricks thanks for helping

proyaop Jan 27, 2022

0

227

1

Algebra

Find all values of y that satisfy the equation y/3 + 1 = (y + 3)/y + 7.

Guest Jan 27, 2022

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258

1

algebra q

a theater is 75% full then 96 people leave and now its 35% full
how many seats are there?

Guest Jan 27, 2022

0

211

1

Algebra

Find all the values of a for which the equations
x^2 + ax + 1 = 0
x^2 - 3x - a = 0
read more ..

Guest Jan 27, 2022

0

272

1

Algebra

The average of the integers N + 1, N + 2, ..., 2N is . What is N?

Guest Jan 27, 2022

0

281

1

Quadratic

Wilma and Greg were trying to solve the quadratic equation x^2 + bx + c = 0.Wilma wrote down the wrong value of b (but her value of c was correct), and found the roots to be 1 and 8. Greg wrote down the wrong value of c (but his value of b was correct), read more ..

Guest Jan 27, 2022

0

217

1

need help

What are the first 10 digits after the decimal point (technically the hexadecimal point...) when the fraction is written in base 16?

Guest Jan 27, 2022

0

269

1

parabolas

Find a formula for the quadratic function whose graph has vertex (−2,−1) and y-intercept .

Guest Jan 27, 2022

0

160

0

answer asap

If the initial rate of diffusion is 12µg/s when the concentration difference is 1200 molecules/µm^3, what would the rate of diffusion be if the concentration difference was decreased to 1000 molecules/µm^3? Give your answer in µg/s

Guest Jan 27, 2022

0

241

1

I really could use some help

A, O and B lie on a straight line segment where a = 61°, b = 20° and c = 39°.
State the value of the angles:
i) ∠AOB
ii) ∠ZOB
iii) ∠XOY <#> iv) ∠AOY <#> v) ∠YOZ <#> read more ..

Guest Jan 27, 2022

+1

298

2

Please help in a trigonometry question!

Question:
The number of real solutions to the equation , where
is determined by the value of the constant k.
Find the number of real solutions for all values of k, given that .
----- read more ..

Guest Jan 27, 2022

0

307

2

Function

Suppose that a and b are positive real numbers, and let
f(x) = a/b*x if x <= -4
f(x) = abx^2 if x > 4
If f(-4) = -60/7 and f(4) = 3120, what is a + b? read more ..

Guest Jan 27, 2022

0

240

1

Algebra

Let x be a positive number such that 2x^2 = 4x + 9 + 6. If x can be written in simplified form as (a + sqrt(b))/c such that a, b, and c are positive integers, what is a + b + c?

Guest Jan 27, 2022

0

208

1

Algebra

For what values of j does the equation (2x + 7)(x - 5) = 43 + jx + 7x - 9 have exactly one real solution? Express your answer as a list of numbers, separated by commas.

Guest Jan 27, 2022

0

301

7

+18

please help asap

Karlee invests $200 a month starting when she is 16 and continues for 10 years. At this time she does
not invest any more money, but the money is reinvested at the same rate and continues earning
interest. Chase invests $200 a month starting read more ..

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Timothy16 Jan 27, 2022

+1

334

3

+1622

Hexagon GEOMETRY HELP graphing

A hexagon is drawn with its vertices at (0,0), (1,0), (2,1), (2,2), (1,2) and (0,1) all of its diagonals are also drawn, as shown below. The diagonals cut the hexagon into 24 regions of various shapes and sizes. These 24 regions are shown in pink and read more ..

proyaop Jan 27, 2022

0

193

1

Quadratic

The quadratic 2x^2 - 3x + 21 has two imaginary roots. What is the sum of the squares of these roots? Express your answer as a decimal rounded to the nearest hundredth.

Guest Jan 27, 2022

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