02/26/18

solving by formula
So the formula i was given was this:   x= -b± root b^2 -4ac   /2a   for the equation ax^2+bx+c=0   and idk how to plug this into it   2x^2 +1 = 7x  
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02/25/18

If Anne’s age is represented by the variable a then express Jenny’s age in terms of a if Jenny is three years less than half of Anne’s age
i want to solve for jenny’s age 
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02/25/18

What is 4x-6y=10 in slope intercept form
I can't figure out how to write the equation 4x-6y=10 in slope intercept form.
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02/25/18

limit as x approaches -5 (x^2-25) / (x^2-2x-35)
evaluate analytically
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02/25/18

In a mall 1/15 of the stores sell shoes there are 180 stores in the mall how many stores sell shoes
How many shoes stores are in the mall
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02/25/18

One number is 4 less than 3 times another. Their sum is -16
I need hep.
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02/25/18

Substitution method, mixture problem
A chemist needs 15 liters of a 60% alcoholic mixture. The chemist has a mixture that is 50% alcohol. How many liters of the 50% alcohol solution and pure alcohol should the chemist mix together to... more
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02/25/18

Use Logarithms to solve
A certain element has a half life of 4.5 billion years. a. You find a rock containing a mixture of the element and lead. You determine that 20% of the original element remains; the other 80%... more
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02/25/18

Styudy island
Prohibition became the law of the land with the passage of the Eighteenth Amendment. It was intended to prevent people from selling and drinking alcohol. What was one of the reasons that the law... more
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02/25/18

Hugh Betcha launched a model rocket with an initial speed of 88 feet per second. After how many seconds will the rocket be 40 feet high?
Need help with problem
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02/24/18

Inequations
Inequations, Solve:     w / 6 + 2w + 5 / 3 > 4   / is the fraction line. i dont know how to approach this i might be doing something wrong  i keep getting w > 14/13also the answers... more
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02/24/18

Find the component form of the vector if the initial point is (1, 5) and the terminal point is (15, 9).
Write your answer as a vector in the form <x, y>.
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02/24/18

A class has 25 students and number of girls are y find the number of boy in terms of y
a class has 25 students girls are y   
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02/24/18

Sydeny read 50 pages in 40 minuets.She reads at this constant rate .How many page can Sydeny read per minute
sydeny read 50 pages in 40 minuets. she reads at this rate. How many pages can sydeny read per minute 
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02/24/18

what is -9 to the 2nd power?
Evaluate.
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02/24/18

how many hours would it take to travel by car at 55 miles per hour to massachusetts
I have a Project and my math part is soo hard please help me it due in 2 days 
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02/24/18

The magnitude of the sum of two vectors A and B, |A+B| is equal to |A| + |B|
Choices: A. Vectors A and B are perpendicular. B. Vectors A and B are in opposite directions. C. Vectors A and B are in the same direction.   What's the correct answer between them, and why... more
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02/24/18

How to isolate x from y=a(1+x)^n ?
Hi, it's an emergency exam is in 3 hours! How does one isolate the x from the following equation? y=a(1+x)^n the answer is x= [ (y/a)^(1/n) ] -1 , I don't know the steps to get there
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02/24/18

Help! Find the three consecutive integers such that the sum of the first and second integer is 9 more than of the third integer
How do I solve this?
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02/24/18

Put the following functions into standard form by completing the square. Use proper notation throughout.
f(x)=x2+2x-7
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02/23/18

If an object is thrown with at an angle of 15 and travels to a distance of 30m, at what velocity was it launched?
(Assume g=10 m/s^2)
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02/23/18

Question in description plz help
|3+x|=8 BTW | is absolute value line I really need help so please do this soon
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02/23/18

An athlete speeds up uniformly from rest to a velocity of 10m/s after 2.0s.
a) How far does the athlete travel in the first 1.0s? b) How long does it take the athlete to travel 120m? (use a graphical method)   a) is 2.5m b) is 13s   HOW?
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02/23/18

An object is dropped from a tower. 166 ft above the ground. The object's height above ground t sec into the fall is s=166-16t^2
a. What is the object's velocity, speed and acceleration at time t? b. About how long does it take the object to hit the ground? c. What is the object's velocity at the moment of impact?
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02/23/18

the difference of three times a number and twelve is eqaul to eight more than the number. write the equation that models the situation and find the number
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