10/11/16

Reduce solids content in solution
I have one gallon of solution which contains 48% solids. How much water do I need to add to reduce the solids content down to 40%?
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10/11/16

Express the interest rate, a decimal, as a function of t. Interest rate as a function of tripling time.
Money is invested with continuous compounding, and triples in time t. Express the interest rate, a decimal, as a function of t. Interest rate as a function of tripling time
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10/11/16

the Anasazi lived in earthen mounds
its a true of false question
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10/11/16

unknown number of pages
Miriam read a book with an unknown number of pages.  The first week, she read five less than 1/3 of the pages.  The second week, she read 171 more pages and finished the book.  Write an equation... more
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10/11/16

Directions state: solve using two equations with two variables.
  Kid time daycare has plans to expand its playground. Presently it takes 1050 feet of fencing to enclose its rectangular playground. The expansion plans call for the daycare to triple the width... more
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10/11/16

algebraic rule for 0,10 2,8 4,6 6,4 8,2 x is first set of numbers, y is second set
                               x                  y                               0                 10                               2                  8                               4        ... more
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10/11/16

The equation: the absolute value of x+c = 0 is sometimes,always or never true when x is any real number and c is any whole number
need to explain reasoning and have examples and counterexamples
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10/10/16

Calculus inverse trig question
arccos(cos 7π/5)=?   the answer is 3π/5 but I do not understand how to get it   thankyou for the help!
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10/10/16

This question is pertaining to Linear Functions
1) An equation for a linear model, based on data from 1912-2012 (where x represents the year), is                                                                             y= -0.0167x +... more
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10/10/16

Find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s. 1) r = 2 inches, s = 20 inches
Find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s.  r = 2 inches, s = 20 inches
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10/10/16

Math question
pire acid is to be added to 5% acid solution to obtain 95l of 40% solution. What amounts of each should be used? how many of 100% pure acid should be used to make the solution?    How many... more
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10/10/16

How long will it take for the number of subscribers to be the same? (table down below)
 State.....Subscribers(Thousands).......New subscribers each yr... more
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10/10/16

How do I find fuctions in Algebra?
I need help understanding what it means to be a function in Algebra.
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10/10/16

if n+n=k+k+k and n+k= 5 then n=?
if n+n=k+k+k and n+k= 5 then n=?
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10/10/16

parabolic arch.
a bridge is built in the shape of a parabolic arch. The bridge arch has a span of 196 feet and a maximum height of 30 feet. find the height of the  arch at 15 feet from center.
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10/10/16

Did the Scarecrow get the Pythagorean Theorem right? In particular, point out and describe the errors in the Scarecrow's statement.
In the 1939 movie The Wizard of Oz, upon being presented with a Th.D. (Doctor of Thinkology), the Scarecrow proudly exclaims, "The sum of the square roots of any two sides of an isosceles triangle... more
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10/10/16

suppose you can factor x^2 +bx+6 into the product of two binomials. What must be true about b?
please help cuz im confused
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10/10/16

Confused....
If Evan has 10 dimes and nickels in his pocket, and they have a combined value of 80 cents, how many of each coin does he have?     ____ Nickels   ____ Dimes
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10/10/16

Write equation of each parabola in vertex form
  Vertex=(-3,7) point=(2,5)
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10/10/16

X+3x/4=7x/4
X+3x/4=7x/4 Shouldn't I add the numerator straight across and the denominator straight across and look at it like this, 1x/1+3x/4= 4x/4=1x  It appears the I have to add the numerator and the... more
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10/10/16

What's 20 +12
Simple word problem is very easy
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10/10/16

a car travels 300km at a certain speed. If the speed had been increased by 10 km/h the trip could have been made in 1 hour less time. Find the actual speed.
algebra 2
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10/10/16

what's the answer?
Hi, having a hard time with this one.....2 bicyclists, 42 miles apart, begin riding towards each other on a straight street. One cyclist travels at 15 mph, the other at 20 mph. At the same time,... more
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10/10/16

Can you help solve problem below?
if 25% of pt currently admitted are scheduled to be discharged over the next five days, what is the average number of patients that will be released each day if there is a total of 500 patients?
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10/09/16

Find the miles per hour answer(Rationals)
Sally was able to drive an average of 40 miles per hour faster in her car after the traffic cleared. She drove 18 miles in traffic before it cleared and then drove another 116 miles. If the total... more
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