04/21/21

Solve each equation
a) (1/5)^x = 125b) 36^x-1 = 216c) 4^(x)*2^(-x+4)=(1)/(8)
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04/21/21

The minute hand on a clock is 5 inches long and moves from 12 minutes to 42 minutes. Find the exact value of how far did the tip of the minute hand moves?
The minute hand on a clock is 5 inches long and moves from 12 minutes to 42minutes. Find the exact value of how far did the tip of the minute hand moves?
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04/21/21

Intermediate AlgebraHeavy traffic reduced a driver’s usual speed by 10 mph, which lengthened his 200-mile trip by 1 hour. Find the driver’s usual speed.

Heavy traffic reduced a driver’s usual speed by 10 mph, which lengthened his 200-mile trip by 1 hour. Find the driver’s usual speed. 
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04/21/21

arc length .
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04/21/21

arc length .
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04/21/21

measures a cluster of bacteria made up of 40 cells. After 3 hours, the cluster has doubled to 80 cells. After 6 hours, it had doubled to 160 cells. How many bacteria will there be after 2 days?
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04/19/21

NEED HELP! CAN YOU EXPLAIN TO ME WHAT I AM SUPPOSE TO DO OR HOW TO SOLVE THIS QUESTION
The ratio of the number of cats to dogs is 3:5. How many dogs would there be if there were 12 cats? what am I doing wrong I did 3+5=8 12/8=1.51.5x5+ 7.5 but that's wrong did i miss a step ?
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04/19/21

The slope of the tangent to a curve at any point (x, y) on the curve is x divided by y . Find the equation of the curve if the point (2, -3) is on the curve.
A) x2 + y2 = 13 B) x2 + y2 = 25 C) x2 - y2 = -5 D) x2 - y2 = 5
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04/19/21

The Rate of Decay
 The rate of decay in the mass, M, of a radioactive substance is given by the differential equation  , where k is a positive constant. If the initial mass was 200g, then find the expression for the... more
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04/15/21

Geometry problem! Please Please Please help!!
The question and picture for my problem are in the link. Please help!!https://docs.google.com/document/d/1Aimw-q1YOsUCT4hQSZpnyTXErm00vkQA2nrnvMJhG-U/edit?usp=sharing
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04/06/21

Algebra 2 word problem
From 1960 to 1990, the annual percentage increase in the production of CD's was fairly constant. In 1960 production for PopRock company was 40 CD's per year, by 1990 PopRock company was producing... more
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03/25/21

Given: Regular pyramid DO = 6, m∠ADO = 42º, AO ⊥ (FBCD) Find: Volume and Surface Area of ABCDF
Given: Regular pyramid DO = 6, m∠ADO = 42º, AO ⊥ (FBCD) Find: Volume and Surface Area of ABCDF
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03/25/21

Given: Regular pyramid KO ⊥ (ABCD) KO = 10.2, m∠AKO=38º Find: Volume
Given: Regular pyramid KO ⊥ (ABCD) KO = 10.2, m∠AKO=38º Find: Volume
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03/15/21

Answer These Six Questions
A Ferris wheel has a diameter of 60 feet. When you start at the top of the Ferris wheel, you are 62 feet from the ground. The Ferris wheel completes one rotation in 2 minutes.1. Create a graph that... more
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11/21/20

A person's systolic blood pressure,

which is measured in millimeters of mercury (mm Hg), depends on a person's age, in years. The equation: P = 0.004 y 2 − 0.02 y + 118 gives a person's blood pressure, P , at age y ... more
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09/07/20

How long would it take to paint a fence? (rational polynomial equation)
Q: Danny and Josh are going to help paint Josh’s neighbor’s fence. Josh painted the fence by himself two years ago. Four years ago, Danny painted the same fence and did it 9 hours faster than Josh.... more
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07/10/20

Linear Function

Daily sales of gasoline y at the gas and go are 500 gallons at a price of $2.50, but fall to 425 gallons at a price of $2.80. Let X the price of gasoline per gallon. write linear function that... more
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07/10/20

Solve the equation for the indicated variable. (Enter your answers as a comma-separated list.) h = 1 2 gt2 + v0t; for t
Solve the equation for the indicated variable. (Enter your answers as a comma-separated list.) h = 1 2 gt2 + v0t;  for t
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07/10/20

Applications of Indices Surds and Logarithms
Given that the world population can be estimated by using the formula P = 6.9(1.010)t, where t is the number of years after 2019 and P is the world population in billions of people.i) Convert the... more
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05/12/20

Calculus2 application of calculus 2 , velocity problems

An object is moving and the speed of this object after t minutes is v(t)= 1 + 4t + 3t^2 minutes per meters, how far does the object travel during 3rd minutes?
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05/12/20

Ball thrown up at speed 91feet/sec from height of 15 feet off the ground.The height h of ball after t seconds found with equation h=−16t^2+91t+15.When height be 102 feet?When will ball reach ground?
An object is thrown upward at a speed of 91 feet per second by a machine from a height of 15 feet off the ground. The height h of the object after t seconds can be found using the equation h = −... more
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05/12/20

Calculus question
Two sides of a parallelogram meet at an angle of 50°. If the length of one side is 3 meters and the length of the other side is 5 meters, find the length of the longest diagonal and the angles that... more
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05/12/20

Area of the shaded region
What integral will give the area of the shaded region?r=cos2θWith half of one petal as the shaded region.
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09/30/12

If i have rational function and it has a numerator that can be factored and the denominator is already factored out would I simplify by factoring the numerator?
The question is: ((x^2)-4)/ ((x-2)(x+3)) and then cancelling out the x-2 from both the denominator and the numerator leaving me with (x+2)/(X+3)? And then go from there to find the limit?
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09/30/12

how do i find where a function is discontinuous if the bottom part of the function has been factored out?
my problem is: Indicate all values for which the function is discontinuous. for each discontinuity point "a" give the limit of the function as x approaches "a". Clearly indicate limits that do not... more
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