All Questions ⁺⁰234765 Questions

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216

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Counting

How many subsets of the set {1,2,3,4, 5, 6, 7, 8, 9, 10,11,12} contain the number 5?

Guest Aug 29, 2021

-1

466

2

+41

PLEASE HELP URGENT

If $\lceil x\rceil+\lfloor x\rfloor+x=4.8$, solve for $x$.

CENTTRAL Aug 29, 2021

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294

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range function

Suppose that f(x) and g(x) are functions on R such that the range of f is [-5,3], and the range of g is [-1,1]. The range of f(x) + g(x) is [a,b]. What is the largest possible value of b?

Guest Aug 29, 2021

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360

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help graphing

The graph of y = f(x) is a parabola whose vertex is at (1,-2). The graph of y = f(x + 4) - 3 is also a parabola. Where is the vertex of the graph of y = f(x + 4) - 3?

Guest Aug 29, 2021

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208

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plz heLp

For what values of j does the equation (2x+7)(x-5) = -43 + jx - x^2 + 7x have exactly one real solution?

Guest Aug 29, 2021

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282

1

After check spent $21 on a trading cards, jane had thrice as much money as Check. If Check had $59.35 at first, how much money did jane have

after check spent 21 dollars on trading cards, jane had thrice as much as check.if check had$59.35 at first .how much money that jane has

Guest Aug 29, 2021

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393

1

Can it be explained a bit more

https://web2.0calc.com/questions/pls-help-t_t-seriously

Guest Aug 29, 2021

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203

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help algebra

The graph of y = f(x) has the line x = 5 as an axis of symmetry. The graph also passes through the point (7,-8). Find another point that must lie on the graph of y = f(x).

Guest Aug 29, 2021

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282

1

Counting

How many arrangements of the numbers 1, 2, 3, ..., 7, 8, 9 are there where the sum of any two adjacent numbers is odd?

Guest Aug 29, 2021

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195

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Inequality

Solve the following inequality algebraically. ∣x−5∣ + 11 <= 18

Guest Aug 29, 2021

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264

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help algebra

The symbols $\triangle$, $\square$, $\diamond$, $\clubsuit$ represent four different integers from 1 to 9. Using the equations below, what is the value of $\square$?
$\triangle + \triangle + \triangle + \triangle + \triangle = \diamond$
$\triangle read more ..

Guest Aug 29, 2021

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249

1

Help

How many zeros does the product 5^3*25^6*3^3*4^7 end with?

Guest Aug 29, 2021

Aug 28, 2021

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526

2

+106

\[f(x) = \begin{cases} \frac{a}{b}x & \text{ if }x\le-4, \\ abx^2 & \text{ if }x>-4. \end{cases} \]

Suppose that a and b are positive real numbers, and let
If and , what is ?

QuestionableBean Aug 28, 2021

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826

1

Angle Bisectors

As shown in the figure, two angle bisectors of $\triangle ABC$, $\overline {BE}$ and $\overline {CF}$, intersect at $P$. If $\angle EPF= 111^{\circ}$, what is $\angle A$ in degrees?
read more ..

Guest Aug 28, 2021

0

470

5

Funky Circle Area... :(

Points L and M lie on a circle centered at O and the measure of arc LM on this circle is 78. The circle passing through points O, L, and M is drawn. Find the measure of arc LOM on the smaller circle, in degrees.

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Guest Aug 28, 2021

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263

1

HELP NEEDED

Compute the sum. Express your answer as a decimal to the nearest tenth.

Guest Aug 28, 2021

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252

1

geometry

Find all integers n such that when the clock strikes n o'clock, the acute angle between the hour and minute hands is 90 degrees. Enter your answer as a comma-separated list.

Guest Aug 28, 2021

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245

1

geometry

Two long strips of paper are each 2 inches wide, and they overlap so that the angle between the strips is 45 degrees. What is the number of square inches in the area of the parallelogram formed by the overlap?

Guest Aug 28, 2021

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268

3

Counting

How many 3-digit numbers contain exactly one 1 and exactly one 2?

Guest Aug 28, 2021

0

252

1

Algebra

Wondering if anyone could help me with this problem:

If (x-y)/(x+y) = 5/2, find x/y.
read more ..

Guest Aug 28, 2021

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263

1

Coordinates

If the point (2,9) is on the graph of y=f(x), then there is one point which must be on the graph of y=2f(-x)+3. What is the sum of that point's coordinates?

Guest Aug 28, 2021

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371

1

pls

Guest Aug 28, 2021

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368

2

What us the easiest way to find the solution to 1+2-3+4+5-6+7+8-9+...+208+209-210 ?

What us the easiest way to find the solution to 1+2-3+4+5-6+7+8-9+...+208+209-210 ?

Guest Aug 28, 2021

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