08/26/19

Find three consecutive even integers such that the square of the third is 4 more than the square of the second.
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08/26/19

Write the fraction as a difference
3x-7-------12
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08/26/19

Find a solution amount- mixture problem
A chemist needs 50 mL of a 16% Salt solution for an experiment. She can can only find a 13% Salt solution and an 18% Salt solution in the supply room. How many milliliters of each should be mixed... more
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08/26/19

If I gave away 3/5 of something and have 6 leftover , how many did I start with?
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08/26/19

The length of a rectangle is 10 meters more than its width. If the perimeter of the rectangle is 80 meters, find the dimensions of the rectangle

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08/25/19

Geometry: Proof
A proof should always begin with stating the given information.True or False? Explain
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08/25/19

Geometric series

Use the formula to evaluate the series-3+6-12+24-...-a1
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08/25/19

If 𝑓(𝑥) = cos 𝜋𝑥, find the exact value of a such that 𝑓(−1)−𝑓(1) /−1−1 = cos 𝑎.
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08/25/19

Venn Diagram Elements
How do I find all the possible elements to place into a Venn diagram, when I have 5 different variables and I need the resulting elements to be sets of 3?
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08/25/19

Partial derivatives
If u=log(x^3+y^3+z^3) then show that partial double derivative wrt x,y,z =-3/(x+y+z)^2
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08/25/19

algebra fraction

-2 3/4 divided by -1 3/8 please help me i am very confused on how to answer this question. please explain!!!!!! this is due for me by tomorrow and i am so confused!!!!!!! thank you so much in... more
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08/25/19

negative fractions

2 1/4 • -8/27 please help me i am very confused on how to answer this question. please explain!!!!!! this is due for me by tomorrow and i am so confused!!!!!!! thank you so much in advance! hahahaha. more
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08/25/19

Write the standard form of the equation of the circle with the given characteristics
Write the standard form of the equation of the circle with the given characteristics....Endpoints of a diameter: (2, 3), (−8, −9)
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08/25/19

How can I have an access to array elements from array of arrays?
Int a1= {1,2};int a2= {2,3}; int a3 [] [] = {a1,a2}; int r=(int) (Math.random() *a3.length); how can I have access to that a3 [r] stored in another array? Like-for (int p:a3[r]) {SOP(p);} how can I... more
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08/25/19

Please help with an algebra question: solving for x with exponents and within a fraction!

221 – x2_____ = 131 (-149) i cant solve this for the life of me, I can’t find any example that looks similar for comparison, please help! Step by step would help big time !essentially just... more
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08/24/19

Need help please!!!
Dirago Lawn Care cuts 42 lawns every week. Each lawn uses 3\16 of a tank of gas when it is cut (on average)The cost of gas in the lawnmower is $20. How much does it cost (in lawnmower fuel only) to... more
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08/24/19

a 14 foot piece of string is cut into two pieces so that the longer piece is 2 feet longer than twice the shorter piece. find the length of both pieces
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08/24/19

Equivalent Fractions
Which of these equations is equivalent to 1 1/2 X 3 1/5 = 4 1/2?a) 4 1/2 divided by 3 1/5 = 1 1/2b) 1 1/2 divided by 4 1/2 = 3 1/5c) 1 1/2 divided by 3 1/5 = 4 1/2d) 3 1/5 divided by 4 1/2 = 1... more
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08/24/19

Please help me solve the stat problem below.
The ages of a group of 151 randomly selected adult females have a standard deviation of 16.416.4 years. Assume that the ages of female statistics students have less variation than ages of females... more
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08/24/19

Fraction Word Problem
In the voting for City Council Precinct 5, only 1/2 of all eligible voters cast votes. Shelley received 3/10 of the votes and Morgan received 5/8 of the votes. What fraction of all eligible voters... more
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08/24/19

Fraction word problem
Need help with this question. A scientist had 3/4 of a bottle of a solution. She used 1/6 of the solution in an experiment. How much of the bottle did she use? It seems like I should subtract them,... more
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08/23/19

can't get two answers??
An arrow is shot vertically upward at a rate of 250ft/s. Use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 500ft
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08/23/19

Slope intercept form reflected on the x axis
If I have a problem that is y = x - 1 how do I write out it reflected on the x-axis
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08/23/19

How much wire does Joe need to have a four-strand fence enclosing a rectangular field that has the dimensions of 1/3 mile by 1/4 mile?
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08/23/19

find the value of k if the line through the points (2k+1,-4) and (5,3-k) is parallel to the line trough the points (-4,-9) and ( 2,-3)
find the value of k if the line through the points (2k+1,-4) and (5,3-k) is parallel to the line trough the points (-4,-9) and ( 2,-3)
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