04/30/20

i do not know how to solve this problem?
After the release of radio active material into the atmosphere from a nuclear power plant in a country in 1989, the hay in that country was contaminated by a radioactive isotope (half-life 7 days).... more
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04/30/20

i do not know how to solve this

After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1999, the hay in that country was contaminated by a radioactive isotope​ (half-life 6 days).... more
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04/30/20

Each year a local country club sponsors a gold tournament. The tournament starts with 128 participants and after each round, half of the players are eliminated.

Write an exponential equation where y is the total number of players and x is the number of rounds. How many players are left after 2 rounds 5 round
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04/29/20

The letters r and theta represent polar coordinates. Write the given equation using rectangular coordinates (x,y). r=9sin theta
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04/29/20

what is the probability?
Find the probability of drawing a purple and then green marble if you pick two marbles without replacing the first, there are 5 purple 3 green and 1 blue marble
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04/29/20

Real World Problems Absolute Value
A safety regulation states that the height of a guardrail should be 106 centimeters with an absolute deviation of no more than 7 centimeters.Write an absolute value inequality that represents the... more
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04/29/20

The combined volume of two identical cubes is 250 cubic centimeters. What is the measure of one cubes edge
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04/29/20

Find the ratio of the perimeter

If the ratio of the area is 4/16, what's the ratio of perimeters
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04/29/20

Pre-Calculus trig help

Find all the solutions for 4cos^2 x - 3 =0 on the interval (90degrees,180 degrees). Not in radian form.please show work and thank you
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04/29/20

The terminal ray of angle ∅ drawn in standard position passes through (2,-3). What is the value of csc ∅?
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04/29/20

If the exterior angle of a triangle measured 120 degrees, what would be the measure of the two remote interior angles?
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04/29/20

The polar equation r=6sin(4∅) graphs as a rose. What is the length of the petals of this rose?
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04/28/20

Can't figure this one out
A kiosk in the mall sells Easter baskets. The fixed costs of operating the kiosk (rent, insurance, etc.) are $8,000. Each basket costs the store $4.75 and sells for $11.00. (a) Rounding to the... more
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04/28/20

help please!!!!
The modern grocery has cashews that sell for $4.25 a pound and peanuts that’s over $2.75 a pound how much of each must Albert the grocery mix to get 60 pounds of mixture that he can sell for three... more
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04/28/20

Write Standard Equation Of A Circle
Radius of \sqrt 131 Centered at (0, -4.3)Write the equation for this circle
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04/28/20

Solve using a diagram: A gallon of paint covers 1 1/4 walls. Shelly paints 2/3 of a wall. How much paint did she use?
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04/27/20

What is the exact answer, I tried multiple times and can't get it right
If sin(x)=1415 (in Quadrant-I), find sin(2x)=Give exact answers.
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04/27/20

suppose that a new employee starts working at $7.54 per hour, and receives a 4% raise each year. After time t, in years, his hourly wage is given by the function P(t)=$7.54(1.04)^t.
Fine the amount of time in which he will be earning $10.00 per hour.
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04/27/20

I have a Geometry Question
The International Space Station orbits Earth at an altitude of 240 mi. What is the distance from the space station to Earth’s horizon to the nearest mile?
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04/27/20

What is the equation of y = x2 reflected over the x-axis and translated down 2 units?
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04/27/20

ASAP PLEASE I NEED TO SOLVE THIS
Find the equation for the linear function that passes through the points (3, 2) and (6, 10).Round all answers to 4 decimal places as needed___________Find the equation for the exponential function... more
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04/27/20

A box contains 5 black shirts, 9 blue shirts, 7 black pants, and 8 blue pants. Determine the probability of randomly selecting a black piece of clothing or a shirt.

  Use P(A or B)= P(A and B) to explain your answer.
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04/26/20

I need to find the restrictions of this rectangular equation.
(y-4)^2+(x-3)^2=16; I’m supposed to find the restrictions of this question and I’ve been at this homework for hours. This is my final check on this problem before I get an entirely new one, could... more
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04/26/20

Write the polar equation for the line y = 2x + 5.
i need help with this problem
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04/26/20

How do I find the sum of u+v and write the result in component form ?
Given vectors u = {-2,2} and v ={5,-7}, find the sum u + v and then write the results in component form.
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