09/07/19

Brand A: $5.15 for 18 ounces Brand B: $1.99 for 14 ounces Brand C: $4.38 for 20 ounces You have a coupon for 50 cents off Brand A and a coupon for 60 cents off Brand B. Which cereal is the best buy?
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09/07/19

Write the following ratio as a fraction in lowest terms. Compare in feet. 96 inches to 3 feet
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09/06/19

What is the solution to the following system?

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08/31/19

The price for an adult movie ticket is 1 1/3 more than a movie ticket for a child. Ines takes her daughter to the movie, buys a box of popcorn for $5.50, and spends $26.50. Write and solve an equation
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08/30/19

Rational Functions
The graph of the rational function (x-1)(x-1)/(x-1)(x+1) has a hole in the graph at (1, 0). My question: is 1 still considered the x-intercept? Our textbook says you should simplify the... more
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08/30/19

Find the distance between each pair of points. Give the exact simplify answer. (3, 8), (9, 10)
The answer has to look like this-d= _ √1 _
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08/24/19

Confusion on Practice Sheet
5x+y2=25 (Not a linear equation because any exponent higher than one is "an issue) 8+y=4x (is a linear equation but I don't know how to put it in standard form, please help?) 9xy-6x=7 (not a linear... more
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08/23/19

2 less than 18 times a number?
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08/20/19

The Big 20 Math
what is half of three times the number?
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08/20/19

Surface Area of A Cake

A wedding cake has three tiers. Each tier is 10cm high. The layers have radii 22cm, 17cm and 12cm respectively. A pastry chef needs to determine the cost of the icing needed to decorate the cake.... more
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08/20/19

What is the equation of a line that is parallel to y equals -5 / 4 x + 7 and passes through the point -4 one
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08/18/19

really need help please

A bank loaned out ​$11,000​, part of it at the rate of 9 % per year and the rest at 19 % per year. If the interest received in one year totaled ​$1500​, how much was loaned at 9 % ?How much of the... more
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08/12/19

How is 27:6 equivalent to 18:4
How is 27:6 equvilent to 18:4
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08/06/19

Suppose that the functions r and s are defined for all real numbers x as follows.

r(x)=x+5s(x)=2x^2Write the expressions for (r+s)(x) and (r·s)(x) and evaluate (r-s)(3).
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08/05/19

is j+j+2k the same as 2jk
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07/30/19

Question About the Percentage of Japanese Shut-ins.

As of 2019 japan has 613,000 hikikomori (shut ins) in a population of 126,828,923.What percentage (%) of japan are hikikomori?
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07/29/19

what is the minimum y value on the graph of y=f(x) if f(x)=3x^2+3x-2
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07/28/19

Question 4 The length of a rectangle is 2ft longer than its width. If the perimeter of the rectangle is 68 , find its length and width.

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07/25/19

Solve each system of equations by hand using a graphing method of your choice.
1.Solve each system of equations by hand using a graphing method of your choice.a) y=x-3 and 7-x=yb) 2x-y+1=0 and x+2y=-82.Solve the following system using Substitution 2x-y=-2 and 3x+2y=-103.Solve... more
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07/14/19

A ball is thrown from an initial height of 3 meters with an initial upward velocity of 20 m/s The ball's height (in meters) after t seconds is given by the following: h= 3+20t-5t^2

Find all values of for which the ball's height is meters.
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07/14/19

Angle 1 and angle 2 are supplementary. If m angle 1=(3x-17) degrees and m angle 2 =(5x+21) degrees. Find the value of x.
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07/14/19

Find the equation of tangent to the parabola, y² = 8x, (4, 2)
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07/13/19

Simplify using bodmas rule.

14+3{34-18-14}÷3[6×2+17-(2×7)]
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07/11/19

If f(x) = x2 + 3x + 1, what is f(x + 2)? Please step by step solving so I many understand.
x2 + 3x + 3 (x + 2)2 + 3(x + 2) + 1 (x + 2)(x2 + 3x + 1) x2 + 3x + 9
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07/09/19

How many liters of pure water should be mixed with a 14​-L solution of 80​% acid to produce a mixture that is 90% ​water?
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