09/10/18

Can you please help me with this system of equations world problem?
a pet store sells its puppies for $400 each and adult dogs for $300 each. If the store collected $5000 from a total of 15 puppies and adult dogs last month, how many adult dogs did the pet store sell
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09/10/18

ten less the quotient of a number and 3 is 6
ten less the quotient of a number and 3 is 6
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09/10/18

Can someone simplify 8/3+9/4
 Math. I need help with it. Thanks
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09/10/18

Determine ƒ(a + h) for ƒ(x) = 2x^3
ƒ(a + h) = 2(a3 + 3a2h + 3ah2 + h3) ƒ(a + h) = 2(a3 + a2h + ah2 + h3) ƒ(a + h) = 8(a3 + 3a2h + 3ah2 + h3) ƒ(a + h) = 8(a3 + h3)
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09/10/18

Function or not
Substitute -6 for x in each equation and solve for y. Use your results to explain why y=x^2-5x is a function and x=y^2-5y is not.I need help solving x=y^2-5y.
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09/10/18

What is the percentage of the men between the following values?
Heights of men on a baseball team have a bell-shaped distribution with a mean of 175 cm and a standard deviation of 8 cm. Using the empirical rule, what is the approximate percentage of the men... more
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09/10/18

She has twice as many dimes as quarters, 6 more nickels than dimes and 18 pennies. In all she has $2.13. How many of each type of coin does she have.
figure out how many coins there are in each type 
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09/10/18

Algebra II: Word Problem #1
There are five main characters in a screenplay, and the writer wants to do scenes with every pair. The writer also wants to do scenes with every group of three characters, as well as scenes with... more
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09/10/18

Algebra II: Word Problem #2
There is an election for two open positions in an organization: president and vice-president. There are 380 ways it could turn out. How many people are up for those spots?
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09/10/18

The slope of a horizontal line is (0,-1,1, or undefined) . The equation of the horizontal line passing through (5, 4) is
This is due by tomorrow and I am needing a little help. I'm having trouble finding out what the equation could be.
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09/10/18

How do I solve this system 2x+6y=-28,-3x=-5y-14
I tried everything but I just cant get the right answer 
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09/10/18

A meteor crater is 4000 feet in diameter approximate the distance around the creator is 3.14 for piE
 Meteor crater is 4000 feet in diameter approximate the distance around crater used 3.14 for pie type a whole number or a decimal 
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09/10/18

Prove that the sum of 4 consecutive numbers is always even
Use deductive reasoning to prove the following statement
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09/10/18

Anton is 4 years older than liza. the product of his age 3 years from now and lizas age 2 years ago is 90 years. find their present ages.
Find their present ages.
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09/10/18

William had $60 more than Daniel. After Daniel had spent $32, William had 3 times as much as Daniel. How much dif Daniel had at first?
Hey i need help with this Maths problem sums. I have my exams tomorrow so it will be good if tutors help me out. :) thank you for your kind understanding. Would like to hear a reply from you as... more
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09/10/18

What are the ranges to these two functions and how do you find them?
H(t) =(t^2-1)/t+1   f(n) = √(4-n^4)
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09/10/18

If a person walks with a speed of 1.1 mi/h, it takes 90 min. to walk around the rim. Assuming that the rim is a circle, what is the diameter of the crater?
Consider another volcanic crater similar to the Ubehebe Crater in Death Valley.
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09/09/18

Explain the connection between velocities (both average and instantaneous) and tangent/secant lines of the graph of a position function.
Explain the connection between velocities (both average and instantaneous) and tangent/secant lines of the graph of a position function.
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09/09/18

Complete this number sequence 0,3,8,15,24
Help me this is too hard
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09/09/18

Right Angle Trigonometry
In traveling across flat land, you see a mountain directly in front of you. Its angle of elevation (to the peak) is 3.5°. After you drive 11 miles closer to the mountain, the angle of elevation is... more
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09/09/18

Finite math question
Urn 1 contains 8 red and 2 white balls. Urn 2 contains 7 red and 2 white balls a ball is drawn from urn 1 and placed in urn 2 then a ball is drawn from urn 2 if the ball drawn from urn 2 is red... more
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09/09/18

Use a traditional clock face to determine the next three terms in the following sequence.
5,10,3,8,1, ?,?,?  
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09/09/18

Percent question
How many gallons of 5% ethanol gasoline must be mixed with how many gallons of 12% ethanol gasoline to get 700 gallons of 10% ethanol?
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09/09/18

mathematical model functions
A right triangle has one vertex on the graph y=9x-x^2, x>0, at (x,y), another at the origin, and a third at the positive x-axis at (x,0). Express the area A of the triangle as a function of x.
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09/09/18

help solve 5x5. a+b=-4, b+c=-2, 6a+3b+c+d=-26, 3b+3c+d+e=-8, 9a +3c+e=-44
I have used substitution by letting b=-4-a, b=-2-c. The problem I have is most of the equations do not have the same variables. Can I get step-by-step help because a calculator told me that a=-4,... more
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