09/10/21

What number is K?
What number is K if the value of the expression 67-3k is twice as large as the value of the expression k-9?The answer is k=7, but how do I get the answer?
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09/10/21

how much pure alcohol should be added to 20 liters of 40% alcohol to increase the concentration to 50% alcohol

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09/10/21

How do the expansions of (x+y)ⁿ and (x−y)ⁿ differ?
could you provide an example too? please
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09/10/21

Ten times the sum of half a number x and 5 is 9.
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09/09/21

question for algebra
A number is 2/3 of another number. If the sum of the two numbers is 30, find the smaller number.
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09/09/21

Simplify the expression 5x-4y
Simplify the expression 5x-4y if we know that b) x-y=1
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09/09/21

Yesterday, 5/6 of the 240 students in a contest gave their speeches. How many students gave their speeches? Write your answer in simplest form.
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09/09/21

Find the distance between each pair of points. If necessary, round to the nearest tenth.
the points are 2,-12,5
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09/08/21

Find the distance between A(4, 6) and B(9, 1) to the nearest hundredth.
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09/08/21

What is a graph of the solution set of x>0 or x<-4
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09/08/21

Calculus angles
Find the measures of the angles of ABC, BCA, CAB triangle whose vertices are A=(−1,0)​, B=(3,2)​, and C=(2,−1).
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09/08/21

Algebra inequality

provide 2 different solution methodsChocolate Bliss sells their box of chocolate candy for $2.00 per candy plus a $12 packaging fee. Expressions in Sweets sell their box of chocolate candy for... more
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09/07/21

Find a polynomial f(x) of degree 3 that has the following zeros. -8,4,0
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09/07/21

Circumference of a circle
A. If we measure a circle's circumference using its diameter as the unit of measurement, the answer will always be:B. If we measure a circle's circumference using its diameter as the unit of... more
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09/07/21

a triangle has a perimeter of 590 ft. one side is twice as long as the second side and 50 ft. shorter then the third. let the unknown number be x. what is the value of x
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09/07/21

An assistant receives a 5% raise, bringing the salary to $44,986. What was the salary before the raise

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09/07/21

Solve "-2≥x+4" and then graph it on a number line.
From left to right on the number line -8, -7, -6, -5, -4, -3, -2, -1, 0
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09/07/21

A word problem (geometry) with line segments
The east side park has a large, triangular, dog walking path connecting points A, B, C. A human and dog drinking fountain is located half way on each side of the path, at the points D, E and F. a)... more
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09/07/21

write an algebraic equation to represent the given the information of a rectangle. let W be the width and L be the length of the rectangle
the perimeter of the rectangle is 30cm
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09/06/21

The quotient of the sum of two numbers by another number

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09/06/21

a family has 2 cars
A family has two cars. The first car has a fuel efficiency of 30 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. During one particular week, the two cars... more
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09/06/21

A motorboat takes 5 hours to travel 200 miles going upstream
A motorboat takes 5 hours to travel 200 miles going upstream. The return trip takes 4 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?
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09/06/21

the sum of 5 times a number and -3, added to 4 times a number

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09/06/21

In terms of the tangent of a positive acute angle, what is the expression for tan13π/18?
I have two questions please!! Its due in 1 hour and a half.In terms of the cotangent of a positive acute angle, what is the expression for cot17π9?In terms of the tangent of a positive acute angle,... more
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09/06/21

graph of the solution set of x>0 or x<-4
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