All Questions ⁺⁰237690 Questions

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270

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geometric sequence

How many terms are in the geometric sequence?
\[3, 3 \sqrt 2, 6, \dots, 96, 96 \sqrt 2, 192, \dots, 768, 768 \sqrt{2}\]

Guest May 31, 2022

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287

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help

Guest May 31, 2022

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275

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Fractions

What is the reciprocal of 0.714285?

Guest May 31, 2022

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228

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Surfacre Area & Volume

Please help me figure out the surface area and volume of each of the following shapes below:

Guest May 31, 2022

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222

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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 [-5, 3]. The range of is [a, b]. What is the largest possible value of b?

Guest May 31, 2022

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317

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Logarithm

Find x such that log_x {81} = log_2 {16}.

Guest May 31, 2022

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217

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Precalc

A damaged tree is supported by a guy-wire 10.0m long. The wire makes an agle of 61∘ with the ground. Calculate the height at which the guy-wire is attached to the tree. Round your answer to the nearest tenth of a meter

Guest May 31, 2022

May 30, 2022

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235

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Parametric equations

A tennis ball dipped in red paint rolls around on the coordinate plane, so that it is at
(x,y) = (t,2t)
at time t, where 0 <= t <= 4. Find the length of the paint trail left by the tennis ball.

Guest May 30, 2022

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212

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trapezoid

In trapezoid ABCD, line AB is parallel to line CD, and AB < CD. The base CD has a length of 8. The legs AD and BC have lengths of 6, and the diagonal BD has a length of 9. Find the area of the trapezoid.

Guest May 30, 2022

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288

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Please help!! Investigating the Cooling Rate of a Cup of Tea

Experimental Setup:
- A hot cup of tea is placed on a table.
- The tea’s temperature is recorded every 5 minutes for 2 hours.
- The room temperature is measured to be 24 °C.

Instructions:
1. Using Desmos. Copy read more ..

Guest May 30, 2022

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276

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Sum

What is the sum of all the odd integers between 500 and 100?

Guest May 30, 2022

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281

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divisors

The proper divisors of 12 are 1, 2, 3, 4 and 6. A proper divisor of an integer N is a positive divisor of N that is less than N. What is the sum of the proper divisors of 284?

Guest May 30, 2022

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230

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Functions

If h(x) is a function whose domain is [-8, 8], and g(x) = h(2x^2), then the domain of g(x) is an interval of what width?

Guest May 30, 2022

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298

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Ratio

A bag contains yellow, green, blue, and white marbles in the ratio 4:2:3:8 . If the bag contains 18 green marbles, then how many blue marbles are there?

Guest May 30, 2022

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339

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math problem

Chris labels every lattice point in the coordinate plane with the square of the distance from the point to the origin (a lattice point is a point such that both of its coordinates are integers). How many times does he label a point with the number ? read more ..

Guest May 30, 2022

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351

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+12

what is h in indirect method to find mean.

the formula is
h is class interval but how?

aanaelsa.123 May 30, 2022

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239

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matrix

The Fibonacci sequence is defined by F_0 = 0 ,F_1 = 1 , and F_n = F_{n - 1} + F_{n - 2} for all n >= 2.

Compute
read more ..

Guest May 30, 2022

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285

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Help.

Annie and Bennie are shopping. Altogether, they brought $86 with them. Annie bought a new pair of sneakers that cost 4/9 of her money, while the new shirt Bennie got cost $16. The amount they each have left was the same. How much money did Annie bring? read more ..

Guest May 30, 2022

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234

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Matrix

Let

find all values of t such that det(tI - A) = 0 where I is the 3x3 identity matrix

Guest May 30, 2022

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231

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Sum

Given the sequence defined by a_n=48-3n, find all possible values of k so that

a_1 + a_2 + a_3 + ... + a_k =

Guest May 30, 2022

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338

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help geometry

In the figure, angles ABC and AST are right angles. If AC = 35, AT = 12, and BT = 8, then what is AS?

Guest May 30, 2022

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329

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Fractions

Levans writes a positive fraction in which the numerator and denominator are integers, and the numerator is 2 greater than the denominator. He then writes several more fractions. To make each new fraction, he increases both the numerator and the denominator read more ..

Guest May 30, 2022

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223

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Tetrahedron

Find the volume of the tetrahedron with vertices (0,0,0), (3,0,0), (0,5,-1), (-2,0,5)

Guest May 30, 2022

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280

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System

For a certain value of k, the system
3a + 4b = 7
6a + 4b = k + 3a
has infinitely many solutions (a,b). What is k? read more ..

Guest May 30, 2022

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214

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system

Find the ordered triple, (p,q,r)

p + 2q = 0
q - 2r = 0 read more ..

Guest May 30, 2022

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