All Questions ⁺⁰237737 Questions

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Third Quadratic Regression Equation Question

jaquilen Oct 25, 2022

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Table of a Sinusoidal Function

The table of values shows the height of a windmill blade from the ground over time. This can be modeled by a sinusoidal function.

Which statements are true?
read more ..

jaquilen Oct 25, 2022

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Iron Ball Sine Word Problem

An iron ball is bobbing up and down on the end of a spring. The maximum height of the ball is 12 feet and its minimum height is 2 feet. It takes the ball 2 seconds to go from its maximum height to its minimum height.

Which model best read more ..

Guest Oct 25, 2022

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trig

Find the smallest positive integer x for which the expression is not defined. (The sine function is evaluated in terms of radians.)

log(sin(2x) - 1/2 + cos(2x))

Guest Oct 25, 2022

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Second Quadratic Regression Equation Question

Guest Oct 25, 2022

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Quadratic Regression Equation

jaquilen Oct 25, 2022

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triangles

A triangle has integer side lengths 2, 5 and x. What is the area of the triangle if x = 6?

Guest Oct 25, 2022

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lemon juice question

The store is selling lemons at $0.79 each. Each lemon yields about 2 tablespoons of juice. How much will it cost to buy enough lemons to make three 9-inch lemon pies, each requiring half a cup of lemon juice?

Guest Oct 25, 2022

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help quadratic

The graph of a certain quadratic y = ax^2 + bx + c is a parabola with vertex (4,0) which passes through the point (5,7). What is the value of a?

Guest Oct 25, 2022

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counting

How many ways are there to put 6 balls in 3 boxes if the balls are distinguishable and the boxes are distinguishable?

Guest Oct 25, 2022

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precalc

Consider the following diagram:
Then what are the lengths of AE and CE equal to, in that order?

Guest Oct 25, 2022

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Line segments and probability~

Four points W, X , Y, Z are chosen at random on the circumference of a circle. What is the probability that the segments WX and YZ intersect?

Don't know how to approach? I suspect finding the probability of cases where they read more ..

Jasonkiln Oct 25, 2022

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220

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what is 5/9 devided by 10/11

what is 5/9 divided by 10/11

Guest Oct 25, 2022

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Algebra

The 5th power of a positive number is equal to the product of 1/3 and the 6th power of the number. What is the ratio of this number's 12th power to its 9th power? Express your answer as a common fraction.

Guest Oct 25, 2022

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Selecciona tres razones equivalentes a 1:11

Selecciona tres razones equivalentes a 11:111:111, colon, 1.

Guest Oct 25, 2022

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gcd

What is the greatest common divisor of 121^2 + 233^2 + 345^2 and 120^2 + 237^2 + 348^2?

Guest Oct 25, 2022

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quadratic

The equation y = -16t^2 - 60t + 54 describes the height (in feet) of a ball thrown downward at 60 feet per second from a height of 54 feet from the ground, where t represents time, measured in seconds. In how many seconds will the ball reach a read more ..

Guest Oct 25, 2022

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simplify

Guest Oct 25, 2022

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geometry

ABCD is a square with side length 2 cm. E is the midpoint of CD, and BF is perpendicular to AE. What is the area of ECBF, in square centimeters? Express your answer as a decimal to the nearest tenth.

Guest Oct 25, 2022

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percent

The table shows the percent of families in Mathville that have 0, 1, 2, 3 and 4 or more children. If there are a total of 10,250 families, how many are there with no children?

Number of children 0 1 2 3 4+ read more ..

Guest Oct 25, 2022

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number theory

For how many positive integers n less than 100 is 5^n+8^{n+1}+11^{n+2}+5^{n+2} a multiple of 6?

Guest Oct 25, 2022

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algebra

If I give my brother 5 dollars, then we will have the same amount of money. If instead, he gives me 14 dollars, then I'll have three times as much money as he will have. How much money does my brother currently have (in dollars)?

Guest Oct 25, 2022

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geometry

Let AB be a diameter of a circle, and let C be a point on the circle such that AC=8 and BC=4 The angle bisector of ACB intersects the circle at point M Find CM.

Guest Oct 25, 2022

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