help with this question plz and thankyou

Determine the center and radius of this circle: x^2 +6x +y^2 -8y =0

Math Problem x5

You have one type of chocolate that sells for $3.30/lb and another type of chocolate that sells for $6.10/lb. You would like to have 14 lbs of a chocolate mixture that sells for $4.50/lb. How much... more

Use reciprocal and quotient identities. and pythagorean identities.

Use Reciprocal and quotient identities.A. Find csc x if sin x= 2sqrt5/5B. Find cos x if tan x= sqrt2/2 and sin x= -sqrt3/3Use Pythagorean identities to simplify.'A. Find sin x if cot x= sqrt3/2 and... more

Logarithmic Functions

An unknown radioactive element decays into non-radioactive substances. In 400 days the radioactivity of a sample decreases by 64 percent.(a) Find the decay constant k. (Round your answer to 5... more


Find the absolute max and min

Find the absolute maximum and absolute minimum values of f(x)=x^3-3x^2-45x+2 on [-2,6], along with where they occur. 1)the absolute min value is ____ , occurring when x=52)the absolute max value is... more


Calculus Question

Use the Fundamental Theorem of Calculus to find the area under f(x)=6x^2 between x=1 and x=5


anexamworth145pointscontains50questions.someof the questions are worth two points and some are worth 5 points. how many 2- point questions are on the test? how many 5- point questions are on the test?

sorry about the no spaces it had to be 50-200 characters. must show ALL work and figure out if this is substitution or elimination.

Application of Quadratic Functions (Word Problem) - Please help!

Question: A camera is accidentally dropped from a helicopter at a height of 4,096 ft. If the equation for height as a function of time is h(t) = -16t^2 + initial height where t is time in seconds... more


Use the given function values to find the other five trigonometric function values

cos= -3/5 and tan<0find sintanseccscsot


Give the value in quadrant 1 in both Degrees AND Radians

a. sin= radical3/2b. cos= radical3/2c.tan=1d.sec=2

The number of bacteria in a sample is increasing according to an exponential model. After two hours, the sample contained 200 bacteria. After six hours, the sample contained 800 bacteria.

The number of bacteria in a sample is increasing according to an exponential model. After two hours, the sample contained 200 bacteria. After six hours, the sample contained 800 bacteria. Write an... more


Are these lines parallel?

y = (-1/2)x + 1y = (1/2)x - 5


Calculas Question Help

Suppose an arrow is shot upward on the moon with a velocity of 59 m/s, then its height in meters after t seconds is given by h(t)=59t−0.83t^2. Find the average velocity over the given time... more


A stone is dropped from the edge of a roof, and hits the ground with a velocity of -130 feet per second. How high (in feet) is the roof?

Note: the acceleration of an object due to earth's gravity is 32ftsec^2


Write the true bearing as a quadrant bearing & write the quadrant bearing as a true bearing.

Write the true bearing 150o as a quadrant bearing. Write the quadrant bearing N50oW as a true bearing. How would this be sketched?

Trig Ferris Wheel Problem

Part 1The Ferris Wheel has a diameter of 30 meters, the center is 19 meters off the ground and it makes 2 revolutions per min. Draw this Ferris Wheel, labeling the radius, height, and center.... more


Calculus question

An object is traveling in a straight line. Shown in the diagram is the graph of its speed as a function of time. Units of x-axis are seconds and units of y-axis are meters per second. Estimate the... more

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