08/20/20

Pre Calc Word Problem

Consider the various types of functions that can be used for mathematical models, which types of function(s) could be used to describe a situation in which the number of individuals in an... more

08/20/20

What is the answer and how can I find it?

Harry determined that every time he tapped his wand the sound increased 4 decibels. He noticed that after tapping his wand 3 times, the sound measured 34 decibels. Which equation best represents... more

08/20/20

Using the 68-95-99.7 rule

Assume that the set of test scores is normally distributed with a mean of 100 and a standard deviation of 10 Determine what percentage of scores is less than 100%? what percentage of scores is... more

08/20/20

Trigonometric ratios and the unit circle

How is the unit circle and the trigonometric ratios related? What happens when the point on the unit circle is in quadrant 1 compared to when the point on the circle is in quadrant 2.

08/20/20

ashley or roberto

Ashley posts 17 status updates on her Facebook wall each day. Roberto posts 21 status updates on his Facebook wall each day. Part A: Define each variable and write an algebraic expression to... more

08/19/20

Given that csc(θ)=5/2 and π/2 <θ< π, find cot(θ).

IF 2^(3x) = 3 FIND 4^(9x-2)

marble probability

find the probability of picking a red or yellow marble from a bag contaning 8 red, 4 green, and 2 yellow marbles

Systems of Equations & Solutions

For each of the following systems of equations, state if the system has a unique solution, an infinite number of solutions, or is inconsistent (no solutions). If the system has a unique solution,... more

08/04/20

algebra question

x=(x)/(9)+(x)/(6)+(x)/(2)+4+(x)/(12)+2What value of x makes this true

A short-wave radio antenna is supported by two guy wires, 120 ft and 145 ft long.

Each wire is attached to the top of the antenna and anchored to the ground at two anchor points on opposite sides of the antenna. The shorter wire makes an angle of 63° with the ground. How far... more

A telephone​ pole is 60 feet tall. A guy wire 78 feet long is attached from the ground to the top of the pole. Find the angle between the wire and the pole to the nearest degree.

A telephone​ pole, is 60 feet tall. A guy wire 78 feet long is attached from the ground to the top of the pole. Find the angle between the wire and the pole to the nearest degree.The angle between... more

07/31/20

help help me please

1 (1,4) is a solution of the inequality. true or false 2 (−3, −2) is a solution of the inequality. true or false 3 The inequality represented is y < 6x − 2. true or false

07/31/20

help help me please

50x = 35x + 375_____=375

07/29/20

Please help with this word problem

In 1994​, the life expectancy of males in a certain country was 73.2 years. In 2000​, it was 76.4 years. Let E represent the life expectancy in year t and let t represent the number of years since... more

07/29/20

how long after the pebble is thrown will it hit the ground

Height of 1500ft pebble thrown upward initial velocity of 20ft per second the height h of pebble after the seconds is given the equation h=-16t2+20t+1500

07/24/20

Descriptive form:

Descriptive form: The set of natural numbers greater than or equal to 6 and less than or equal to 8.

07/23/20

Word problem involving maximum

A ball is thrown vertically upward. After t seconds, its height (in feet) is given by the function h(t)=72t-16t^2. After how long will it reach its maximum height.

07/20/20

statistics question help

10!/4!•3!•2!•1!

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