Miembros: mharrigan920

148 Questions
8 Answers

-1

1145

+318

Pre Calc

A biologist has two brine solutions, one containing 5% salt and another containing 20% salt. How many milliliters of each solution should she mix to obtain 1 L of a solution that contains 14% salt?
5% solution ___ mL
20% solution lee mas ..

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mharrigan920 9 dic 2019

-1

1435

+318

Pre Calc

A man flies a small airplane from Fargo to Bismarck, North Dakota—a distance of 180 mi. Because he is flying into a head wind, the trip takes him 2 h. On the way back, the wind is still blowing at the same speed, so the return trip takes only 1 h 15 min. lee mas ..

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mharrigan920 9 dic 2019

-1

1054

+318

Pre Calc

A fruit stand sells two varieties of strawberries: standard and deluxe. A box of standard strawberries sells for $6, and a box of deluxe strawberries sells for $10. In one day the stand sold 110 boxes of strawberries for a total of $820. How many boxes lee mas ..

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mharrigan920 9 dic 2019

574

+318

Pre Calc

A gas station sells regular gas for $2.30 per gallon and premium gas for $2.85 a gallon. At the end of a business day 310 gallons of gas had been sold, and receipts totaled $746. How many gallons of each type of gas had been sold?
regular gas lee mas ..

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mharrigan920 9 dic 2019

-1

943

+318

Pre Calc

A man has 14 coins in his pocket, all of which are dimes and quarters. If the total value of his change is $2.00, how many dimes and how many quarters does he have?
_____dimes
_____quarters

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mharrigan920 9 dic 2019

-1

821

+318

Pre Calc

Solve the system, or show that it has no solution. (If there is no solution, enter NO SOLUTION. If there are an infinite number of solutions, enter the general solution in terms of x, where x is any real number.)

2/3x+1/4y=3
-1/3x-5/4y=3 lee mas ..

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mharrigan920 8 dic 2019

-1

854

+318

Pre Calc help

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mharrigan920 8 dic 2019

-1

1069

+318

Pre Calc

Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places where appropriate.)
cos(θ) =
1/
2 lee mas ..

ElectricPavlov ●

mharrigan920 4 dic 2019

-1

653

+318

Pre Calc

Prove the identity.
cos(x −
π/
2) lee mas ..

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mharrigan920 4 dic 2019

+318

-1

its marking 14 as wrong!! and no clue but im enrolled in calculus I senior in college and this is the question LOL!

mharrigan92016 jun 2020

+318

-5

i actually got an answer already but it wasnt the full answer. u rly waste ur time w that lame comment bye

mharrigan92015 jun 2020

+318

When I enter -1/2 it says partially correct!! It is asking for another value!

mharrigan92015 jun 2020

+318

-1

Thanks so much!!

mharrigan92016 mar 2020

+318

-1

GOT IT THANK U SO MUCH sorry

mharrigan92011 mar 2020

+318

-2

its coming up wrong when i type that in:(

mharrigan9204 dic 2019

Nombre de usuario	mharrigan920
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