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

04/25/21

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

04/22/21

Calculus Question

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

04/20/21

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

04/10/21

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

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

04/10/21

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

04/07/21

Are these lines parallel?

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

04/07/21

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

04/07/21

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

04/03/21

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

03/31/21

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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