09/12/22

Problem on Probability
Three boys A, B, and C play a game in which the loser is to double the marbles of each of the othertwo. After three games, each has lost exactly once and each ended up with 48 marbles. How... more
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09/12/22

For the function f defined by f(x)=4x^2+3x+5 ​, find the following values. f(x+h)
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09/12/22

Heather rode her bicycle 3 5/6 miles in 2/3 of hour. What was her average speed in miles per hour?

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09/12/22

Heather rode her bicycle 3 5/6 miles in 2/3 of hour. What was her average speed in miles per hour?

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09/12/22

Distance problems
Ryan left the hardware store and ddrove toward the lake.three hrs later Danielle left driving at 70km/h in an effort to catch up to ryan. after driving for 2 hrs Danielle finally caught up. find... more
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09/12/22

a pre-paid cell phone company charges $14.15 as a monthly access fee and $0.17 per minute of calling
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09/12/22

i need help with math problems
Kevin, Eric, Emily and Vicky collect Pokémon cards. They have a total of 170 cards.Eric has two less than half as many as Kevin’s cards. Emily has seven more cards thanEric. Vicky has 28 less than... more
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09/11/22

Callie bought 3 packages of drinking boxes. Each package has 6 drinking boxes. Callie shared the drinking boxes equally among 9 children. How many drinking boxes did each child get?

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09/11/22

The annual interest on an $18,000 investment exceeds the interest earned on a $4000 investment by $860. The $18,000 is invested at a 0.5% higher rate of interest than the $4000.

The annual interest on an $18,000 investment exceeds the interest earned on a $4000 investment by $860.  The $18,000 is invested at a 0.5% higher rate of interest than the $4000.  What is the... more
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09/11/22

how much money was invested into each account? 
A total of $3300 is invested in two accounts. Account A pays 3% interest per year, and Account B pays 6% interest per year. If the total interest earned is $153.
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09/11/22

How many grams of gold should a coin of 30% gold be if when combined with a 10 gram pure gold necklace, it forms a metal that is 68% gold?
How many grams of gold should a coin of 30% gold be if when combined with a 10 gram pure gold necklace, it forms a metal that is 68% gold?
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09/11/22

Graphs of functions
Graph the given functions, f, and g, in the same rectangular coordinate system. Select integers for x, starting with -2, and describe how the graph of g is related to the graph of f.f(x)=x3,... more
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09/10/22

How do you find the time?
Joel can run around a 1/4-mi track in 66 sec, and Jason can run around the track in 60 sec. If the runners start at the same point on the track and run in opposite directions, how long will it take... more
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09/10/22

Where on the interval [0,pi/5] is the function f(x)= (2x+3)/(cos5x) continous
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09/10/22

Solving formula for specified variable
Solve the following formula for the specified variable. T=P + af for a
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09/10/22

If b is the midpoint of AC and AC=8x-20, then find BC
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09/10/22

Solving formula for specified variable
Solve the following formula for the specified variable. C=1⁄2 m(s + b) for s (simplify the answer)
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09/10/22

Calculating the original price using percentage
The selling price of a refrigerator is $705.60. If the markup is 5% of the dealer's cost, what is the dealer's cost of the refrigerator?
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09/10/22

Sig figs Calculation

Carry out each calculation and report the answer using the proper number of significant figuresa. 15.947- 2.73b. 35.0 + 7.671c. 1,878 - 2.88
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09/10/22

Choosing between two health clubs
You are choosing between two health clubs. Club A offers membership for a fee of $18 plus a monthly fee of $12. Club B offers membership for a fee of $16 plus a monthly fee of $13. After how many... more
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09/10/22

An angle measures 59.6° less than the measure of its supplementary angle. What is the measure of each angle?
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09/10/22

Finding 3 Triangles measurement
Solve this exercise using the fact that the sum of the measures of the three angles of a triangle is 180º. In a triangle, the measures of the three angles are x, x+11, and x+16. What is the measure... more
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09/10/22

Algebra Word Problem
Mr. White’s radiator contains 3 gals of a 50% antifreeze solution. If he wants to increase the percent of antifreeze to 60%, how much fluid should he drain from the radiator and replace it with... more
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09/10/22

Math is just letters and numbers, why should I even learn this?

Here's a big question most students have at the start of learning the subject. I was never informed why I should be graphing numbers, why mathematicians used certain letters, or the implications on... more
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09/10/22

Equation of a line
Fnd the equation of the line S y = f(x) whose closest point to point A (3,4) is point B (5,5). find the coordinates of the normal vector of the line S.
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