All Questions ⁺⁰237785 Questions

0

316

2

Functions

The graph of $y=f(x)$ is shown in red below. For how many values of $c$ is $f(c) = -1$?
[asy]
size(150);
real ticklen=3;
real tickspace=2; <#> real ticklength=0.1cm; <#> real axisarrowsize=0.14cm; <#> pen axispen=black+1.3bp; <#> real read more ..

Guest Jul 20, 2022

0

254

1

Exponents

How many different numbers between 1/1000 and 1000 can be written either as a power of 5 or as a power of 7, where the exponent is an integer?
Hint: Remember that we're counting all possible numbers, not just integers.

Guest Jul 20, 2022

0

285

1

Domain

What is the domain of the function ell(y) = 1/(y - 2) + 1/(y - 8)? Express your answer in interval notation.

Guest Jul 20, 2022

0

288

1

Algebra

If an inchworm travels 1 inch every 2 seconds, how many feet will it travel in 1 week?

Guest Jul 20, 2022

0

295

1

Probability

Hans is staying at a hotel that has five floors, numbered 1 through 5, and 10 rooms per floor, numbered 1 through 10. Hans forgets where his room is, but knows that it is on an odd numbered floor and the room nujmber is divisible by 3. If Hans read more ..

Guest Jul 20, 2022

0

270

1

Algebra

No matter where Sasha is in the country, the pre-tax price of a cup of coffee at a paritcular coffee retailer is 5.00. However, sales tax varies by region. In Atlanta there is a 8.5% sales tax, while in Chicago there is a 10% sales tax. read more ..

Guest Jul 20, 2022

-2

272

0

+234

Binary coding in c. Idk what to do from here.

Problem:
In Part 2 of this assignment, you will augment your previous implementation for first. Rather
than have all binary integers, the integers can be in hexadecimal, octal, base 10, or binary. All
input sequences will remain 4 bit patterns. read more ..

BLANK Jul 20, 2022

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267

1

I will really appreciate any help.

I will really appreciate any help.

Let be the following matrices:
read more ..

Guest Jul 20, 2022

0

293

1

Floor and Ceiling Functions

Let for all

Find all such that .
read more ..

Guest Jul 20, 2022

0

300

2

Algebra

Let a and b be the solutions of the equation 2x^2+6x-14=x^2-8x+2. What is the value of (2a-3)(4b-6)?

Guest Jul 20, 2022

0

260

1

Complex numbers

Let a, b, c be complex numbers, with a real, such that
a + b + c = ab + ac + bc
abc = 3/a + 3/b + 3/c
a = b + c read more ..

Guest Jul 20, 2022

0

298

1

Complex numbers

The four complex roots of
2z^4 + 8iz^3 + (-9 - 9i)z^2 + (-12 - 4i)z + (8 - 2i) = 0
when plotted in the complex plane, form a rhombus. Find the area of the rhombus.

Guest Jul 20, 2022

0

203

0

help geometry

Ari draws twelve circles of diameter 2 inches that all pass through the same point, so that the angles formed by the diameters of any two consecutive circles are congruent, as in the image shown. What is the distance between point A and point read more ..

Guest Jul 20, 2022

0

204

0

ayuda no entiendo :(

) El término general de la sucesión es 8, 16, 24, 32,… es 𝑎𝑛 = 8𝑛

Guest Jul 20, 2022

0

328

2

Arithmetic Sequence

The middle number of a finite sequence of consecutive integers is 2022. The sum of the numbers after 2022 is twice the sum of those before 2022. How many integers are in the sequence? Thanks for help.

Guest Jul 20, 2022

0

295

1

+12

Help appreciated!

The graph of a certain quadratic is a parabola with vertex (-4, 0) which passes through the point (1, -75). What is the value of a?

smartphoenix13 Jul 20, 2022

0

207

0

Primes

The prime factorization of 2007 is 3^2*223. How many ordered pairs of positive integers (x,y) satisfy the equation xy=2007*5*11?

Guest Jul 20, 2022

0

297

1

trapezoid

Let ABCD be a trapezoid with midsegment MN, and suppose the diagonals split MN into three segments MP, PQ, and QN. If AB=8 and CD = 14, find the lengths of the midsegment MN and the three segments MP, PQ, and QN.

Guest Jul 20, 2022

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311

2

range

Find the largest value of c such that -2 is in the range of .x^2 + 3x + c - 7x + x^2

Guest Jul 20, 2022

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289

2

Help

Noah and John together earned $28. Noah's share was 3 times as big as John's share. If Noah spends $3 at the store, how much money will Noah have left?

Guest Jul 20, 2022

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278

1

help me pleas

Beads of four different colours are being threaded onto a string in the order red, blue, yellow and green. What is the colour of the 182nd bead?

Guest Jul 20, 2022

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260

1

Domain

Compute the domain of the function f(x) = 1/floor(x^2) + 1/(-7x + 13)

Guest Jul 20, 2022

0

265

2

quadratic

There are two positive integers c for which the equation
5x^2 + 13x + c = 4x^2 - 9x
has rational solutions. What is the product of those two values of c?

Guest Jul 20, 2022

+1

309

3

+42

HELP FAST

Jeri finds a pile of money with at least $200. If she puts $80 of the pile in her left pocket, gives away 1/3 of the rest of the pile, and then puts the rest in her right pocket, she'll have more money than if she instead gave away $200 of the original read more ..

itsTim77 Jul 20, 2022

0

261

1

Coordinates

The distance between the points (x, 21) and (4,7) is 20. Find the sum of all possible values of x.

Guest Jul 20, 2022

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