03/27/20

A bike tire has a radius of 11 inches. If the tire spins 6 times, what distance does it travel
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03/27/20

Show that the point is on th eunit circle
(3/4, √(7)/4)We need to show that the point satisfies the equation of the unit circle, that is, x2 + y2 =  _____________x^2 + y^2 = (_____)^2 + (-√(7)/4)^2___________- + 7/16Is the point on the... more
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03/27/20

consecutive intgers
Three consecutive odd integers exist such that twice the sum of the first two integers, decreased by five is the same as twelve subtracted from five times the third integer. Find the largest... more
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03/27/20

Grade on a curve
The class average was 83.2 with a standard deviation of 7.6. I curved the midterm scored with a new average of 87 and standard deviation of 7. What is your curved score?
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03/27/20

The amount of $1,059 is invested in two funds paying 12% and 3% simple interest. If the annual interest is $64.08, how much of the $1,059 is invested at each interest rate?
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03/26/20

A robot can complete 7 task in two thirds hour. Hiw long will it take to complet 1 taske
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03/26/20

What’s the correct equation?
My age is now x. In 2 years my son will be half my age. The sum of our ages now is 50.what’s the correct equation?x + 2 + 1/2(x + 2) = 50x + 2 + 1/2(x + 2) = 54x + 2 + 1/2x = 50x + 2 + 1/2x = 54I... more
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03/26/20

Pre-algebra word problem
Jane has 6 times as many candies as Ed. She gives him half her candies. He now has 5 more candies than she does. How many candies did they both have at first?
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03/26/20

Use half-angle formulas to find an exact value for the following. sin 22.5°
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03/25/20

finding the g prime of 56
If g(x) = x2 + 10x with x ≥ −5, find g−1(56).
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03/25/20

HelpHelpHelpHelp
    Working together, two man can harvest a field in 4 hours. One can harvest the same field in 6 hours less time than the second can alone.... more
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03/25/20

HELPHELPHELPHELPHELP
The denominator of a fraction in simplest form is greater than the numerator by 3. If 11 is added to the numerator, and the denominator is multiplied by 3,... more
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03/25/20

math word problem
The employees from maintenance go for coffee together every day at 9 a.m. On​ Monday, Hector paid ​$5.70 for three cartons of​ milk, three cups of​ coffee, and seven doughnuts. On​ Tuesday,... more
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03/25/20

I don't know how to solve this.
An Easter Basket contains 10 yellow eggs, 5 red eggs, 8 orange eggs, 4 blue eggs, and 6 multicolored eggs. If an egg is selected at random, what is the chance that the egg is not yellow. Write... more
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03/24/20

mixture problems
You need 30% alcohol solution. On hand you have 240 ML of a 35% alcohol mixture. How much pure water will you need to add to obtain the desired solution?You will need _____ mL of pure water to... more
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03/24/20

The length of a rectangle is 4 m longer than it’s width. If the perimeter of the rectangle is 64 m, find it’s length and width.
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03/24/20

Find the perimeter of △ABC with vertices A(−5, 5), B(3, −4), and C(−5, −4). Round your answer to the nearest hundredth.
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03/24/20

Right Triangle Proportions
Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AD=4 and BD=2, what is the length of DC?
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03/24/20

1) Let sin A = − 5/13 with A in QIII and find sin 2A. 2)Let cos x = 5/6 with x in QIV and find cos 2x. 3) Let tan θ = 2 with θ in QI and find sin 2θ.
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03/24/20

Help with age problem
Sam is twice as old as Jonathan was when Sam was as old as Jonathan is NOW. Their combined ages are 49. How old are each?
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03/23/20

Defining Invested Amounts for Interest
An actor invested some money at 8​% simple​ interest, and ​$37,000 more than twice the amount at 10%. The total annual interest earned from the investment was ​$18,260. How much did he invest at... more
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03/23/20

Two cards are selected from a standard deck of 52 playing cards. The first is replaced before the second card is selected. Find the probability of selecting a club and then selecting a nine.
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03/23/20

HELPHELPHELPHELPHELP
 A boat traveled 5 km with the stream and 6 km against the stream spending in total of 1 hour. Find the speed of the boat while travelling with the stream if the current of the stream is 3 km/hour.
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03/23/20

The length of the shorter leg of a 30°-60°-90° triangle is 5 cm. What is the length of the longer leg? What is the length of the hypotenuse?
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03/20/20

determine the corresponding ordered pair of the point on the unit circle for the following angle: -13 pi/ 2
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