11/13/22

what formula should i use if the given is to find the volume of a 1/2 of a sphere with a radius of 8cm
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11/13/22

Y varies directly as the square of x. Find k when x=3 and y=12
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11/13/22

the equation of the line through (-8,-2) and (-4, 6)
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11/13/22

Need help with Homework
The half-life of Palladium-100 is 4 days. After 20 days a sample of Palladium-100 has been reduced to a mass of 2 mg.
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11/12/22

A man deposited $800 in his account at the bank which offers 6% simple interest per annum

How much interest would he receive on the $800 after 9 monthsHow long it take for $800 to increase to $992
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11/12/22

how do you write an equation for a line parallel to the line y=-3x+1 that passes through point (2,8)?
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11/12/22

Chapter 11 Chemistry Charles's Law
A sample of gas in a balloon has an initial temperature of 1.0 ∘C and a volume of 1.04×103 L . If the temperature changes to 68 ∘C , and there is no change of pressure or amount of gas, what is the... more
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11/12/22

What is the equation of the line that passes through the point (4,7) and has an undefined slope?
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11/12/22

PROBLEM SOLVING USING POLYA STRATEGY PLS HELP
A hat and a jacket together cost 400 pesos. The jacket cost is 3 times the cost ofthe hat. What are the cost of the hat and the cost of the jacket?
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11/12/22

Multiply the difference of three times a number x and 4 by one sixth
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11/12/22

Multiply the difference of three times a number x and 4 by one sixth
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11/12/22

(x+yi) i-2/(2x-yi)+1=1+2i
Find x and y, where x is the real part and y is the imaginary part
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11/12/22

Find the vector in R3 from point A=(x,y,z) to B=(4,−8,−2).
-->AB =
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11/12/22

Quadratic Equations
The area of a bulletin board is 55 square feet. The length is four feet less than three times the width. Find the length and the width of the a bulletin board.
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11/12/22

A classroom has a length that is 6 meters shorter than its width. If the perimeter is 30m, what is the length and width?
Please put working out within the question rather than just the question please. Thank you!
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11/12/22

What is 2÷cos∅=7-3cos∅
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11/12/22

Calculus question
Find the average value over the interval 2≤x≤9 of the function f, the graph of which is shown above. Round your answer to the nearest tenth.
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11/12/22

How do I solve this?
The residents of a city voted on whether to raise property taxes The ratio of yes votes to no votes was 5 to 3. there were 7784 total votes, how many yes votes were there?
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11/11/22

an investment company advertised that last year its clients on average made a profit of 10%

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11/11/22

Write the equation of a line that passes through (-2 , 5) and is perpendicular to 2x+2y=18
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11/11/22

Which of these log rules are true and which are false? Im having trouble with the 1/2 and radicals.

  ?    True    False     1. ln(A)ln(B)=ln(A)+ln(B)  ?    True    False     2. (log(A))/(log(B))=log(A)−log(B)log⁡(A)log⁡(B)=log⁡(A)−log⁡(B)  ?    True    False     3. √ln(A)=ln(A(1/2))ln⁡(A)=ln⁡(A^... more
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11/11/22

Two Tangent lines
Find the tangent equation to the given curve that passes through the point (5, 5). Note that due to the t2 in the x equation and the t3  in the y equation, the equation in the parameter t has more... more
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11/11/22

About 5% of the population has a particular genetic mutation. 600 people are randomly selected. Find the mean for the number of people with the genetic mutation in such groups of 600.
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11/11/22

If a seed is planted, it has a 65% chance of growing into a healthy plant. If 7 seeds are planted, what is the probability that exactly 1 doesn't grow?
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11/11/22

sorry for bothering,but could someone work/explain this out for me .
Joseph has $1.45 worth of nickels and dimes. He has a total of 17 nickels and dimes altogether. Determine the number of nickels and the number of dimes that Joseph has.
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