All Questions ⁺⁰238428 Questions

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unit 10 questions for sequences

5) Find the next three terms (a2, a3, a4) in each recursive defined sequence.
a1 = 20 and an = 1/2(an−1)

kirstenday51704 Jun 9, 2021

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539

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Stats problem

There are 2 cardboard boxes. Each of them has 6 tiles numbered as 1,1,2,3,3,4. Find the variance of the distribution of the expected values of getting a total of 2,3,4,5,6,7 and 8 when one picks two tiles at a single event and this event repeats for 36 read more ..

amygdaleon305 Jun 9, 2021

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470

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Algebra

What is the length of the segment of the number line whose endpoints satisfy x^2 - 16x + 3 = 0?

Guest Jun 9, 2021

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464

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Help geometry

Points L and M lie on a circle centered at O, and the measure of arc LM on this circle is 72 degrees. The circle passing through points O, L, and M is drawn. Find the measure of arc LPM on the larger circle, in degrees.
read more ..

Guest Jun 9, 2021

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painting help?

All members of our painting team paint at the same rate. If 20 members can paint a 6000 square foot wall in 24 minutes, then how long would it take the 20 members to paint a 9000 square foot wall, in minutes?

angelxbobaa Jun 9, 2021

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495

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Dice roll

When three standard dice are tossed, the numbers x, y, and z are obtained. Find the probability that xyz=180. If you have an answer please explain it, without an explanation the problem is useless to my education

Guest Jun 9, 2021

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509

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unit 10 test sequences

common ratio of the geometric sequence with a1 = 18 and a4 = −2/3
is either options:
(1) 3
(2) -3
(3) 1/3 read more ..

kirstenday51704 Jun 9, 2021

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595

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Coordinates

The graph of a function is a line that passes through the points (3, 17) and (6, 32). What is the equation of this function?

Guest Jun 9, 2021

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542

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Number Theory

The letters A, B, C, D, E, and F represent digits and ABC,DEF represents a positive six-digit integer. What is the number ABC,DEF if 4(ABC,DEF) = 9(DEF,ABC)?

Guest Jun 9, 2021

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358

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Function

Find the set of values a for which the range of the function f(x) = (x^2 + a)/(x + 7) is the set of all real numbers.

Guest Jun 9, 2021

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360

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Geometry

A sheet of 8-inch by 10-inch paper is placed on top of a sheet of 9 1/2-inch by 11-inch paper, as shown. What is the area of the region of overlap in square inches?

read more ..

Guest Jun 9, 2021

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374

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Help algebra

When the expression -2x^2 - 20x - 53 + 14x + 17 is written in the form a(x + d)^2 + e, where a, d, and e are constants, then what is the sum a + d + e?

Guest Jun 9, 2021

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403

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Function

Let
f(x) = 2x + 1 if x <= 3
f(x) = 8 - x if x > 3
read more ..

Guest Jun 9, 2021

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geometry help!

X,Y and Z are three points on a unit sphere (i.e. a sphere with radius 1). The space distance between any pair of the three points is √2 (i.e. XY = YZ = ZX = √ 2). An ant can only crawl on the surface of the sphere. The ant starts from point X, passes through read more ..

Guest Jun 9, 2021

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341

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Help plz I have a few questions

Convert the rectangular coordinates (-2,2√3) to polar form. Let r>0 and 0≤θ<2π.
Enter coordinates as simplifed fractions or radicals in simplest form.
(____ , ____)

Guest Jun 9, 2021

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549

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Help, I'm having a massive brain f**t.

Whats -5-2sqrt2
Sorry im having abrain f**t.
:)
Edit: apparently the word "f_a_r_t" isn't allowed. read more ..

Guest Jun 9, 2021

Jun 8, 2021

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333

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PLZ HELP

196^213 x 213^196

Guest Jun 8, 2021

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PLZ HELP FAST

the diagram below represents a photograph in a frane. the photo has a perimeter of 23 inches, and the area of the whole figure is 58.5 square inches. if the frame is 1 inch thinck, what is the area of the photo in sqaure inches

Guest Jun 8, 2021

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368

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Help me Justin J

Maxwell bought a new pair of skis for $350. He put $110 down and received a student discount of $30. His mother gave him 1/2 of the balance for his birthday. Which of these expressions could be used to find the amount Maxwell still owes on the skis?
A. read more ..

Guest Jun 8, 2021

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math

Guest Jun 8, 2021

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Please Help me

Write the stand for equation of each ellipse using the information....

Vertices: (7,3) & (-13,3)
Foci: &read more ..

Guest Jun 8, 2021

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491

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Piecewise function

Let
f(x) = x^2 - 4 if x >= -4
f(x) = 3x + 1 if x < -4
read more ..

Guest Jun 8, 2021

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447

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Coordinates

Line m has the equation y = 3x + 5. Line n has the equation y = kx - 7. Lines m and n intersect at the point (-4, -7). What is the value of k?

Guest Jun 8, 2021

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PLEASE HELP ASAP

The line graph below represents the number of guests at Winnie’s family’s New Years Eve party each year.

The range of guests was 22, the median number of guests was 18.5, and the average number of guests was 55 3 . read more ..

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Guest Jun 8, 2021

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