04/02/16

help me !!!!!!
The vertex of a parabola that opens downward is at (0, 4). The vertex of a second parabola is at (0, –4). If the parabolas intersect at two points, which statement must be true?
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04/02/16

What is ln e? Need help solving these
Hi, I have no idea what ln e means. I know ln stands for natural log. These are the equations I need help with :    lne2x+7 = -8    and      ln(1/e)x2 = 3 
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04/02/16

Find the area of the rhombus given that the sides are 10 cm and 2 sides meet at a 45 degrees angle. (please list steps?)
I already know the answer to this question, however I need to know the steps to solve it so I can study.  
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04/02/16

Solving exponential equation
1252x * 25x2-3  = ( √5)x        *The exponent of 25 is x squared btw. 
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04/02/16

How to solve this exponential equation ?
(√10)/(0.1^x) = (1)/(10^5)
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04/02/16

Direct Variation word problem help
the water pressure on a scuba diver is directly proportional to the depth of the diver. If the pressure on a diver is 22.5 psi when she is 50 feet below the surface, how far below the surface will... more
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04/02/16

Simplify:(5x^3-3x+1)÷(x-2)
Simplify:(5x3−3x+1)÷(x−2)
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04/02/16

in the lab experiment 28 000 blood cells were infected out of every 7 000 000 000. use scientific notation to find the percentage infected blood cells
I am trying to figure out this math question.
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04/01/16

A storage company needs to design a new storage box that has twice the volume of its largest box. Its largest box is 5 feet long, 4 feet wide, and 3 feet high.
A storage company needs to design a new storage box that has twice the volume of its largest box. Its largest box is 5 feet long, 4 feet wide, and 3 feet high. The new box must be formed by... more
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04/01/16

Help, what are some practical examples for multiplying negatives
It seems like a huge swing from positive to negative then back to positive. What are some real world applications for multiplying negatives
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04/01/16

the run must be rectangular with whole number dimensions. If they want to enclose 48 square feet, how many options do they have?
Regina has received a pet rabbit from her neighbor Rodney who is about to move to an apartment that does not allow pets. Her father is going to help her build a run for the rabbit in their back... more
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04/01/16

Inequality absolute value function
The question is |x|<2/x   When x>0 X^2<2   X belongs to (0,sqrt2)   When x<0  Then x^2> - 2 Which is true for all values of x So in this case x belongs to (-infinity,... more
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03/31/16

What is the constant in the simplified form of (x-6)^2
(x-6)
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03/31/16

The picture shows 4 circles which each have a radius of 1.5 inches. Find the area of the shaded region in square inches.
I understand how to get the area of the circle , but the shaded region is what I cannot find. The circles are all touching and the shaded region includes the space in between the 4 circles and one... more
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03/31/16

how do you graph y=1/2x-3
graph the line that has slope 1/2 and y intercept o,-3
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03/31/16

Does a rhombus always have 4 congruent angles
Does it always,sometimes or never
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03/31/16

Maths Question
The table below show the number of kilograms of crude oil held in reserve in various countries as of 2012. One kilogram of crude oil contains 4.2 x 10^7 joules of... more
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03/31/16

What is the equation for fractal dimension?
If 4/3=1.26, what are the numbers "4" and "3" and where do the come from?
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03/30/16

How do I get 13 times 16 using distributive property
i already have some numbers down
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03/30/16

what is 3x<5x
how do I solve this problem 
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03/30/16

Which equation?
Which of the following equations are equivalent to  (4 x 10-7) + (5 x 10-7) ?   equations: 9 x 20-14                 90-7                 9 x 10-7                  9 x 20-7
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Pi

03/30/16

What is the circumference with the radius 3? Write your answer using pi.
I know that the circumference is 125.6, but how do I write it using pi?
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03/29/16

Proportional Relationships
Students donated 2500 cans of food to the local food pantry last year. They donated 4000 Cans this year. What is the percent increase in he number of cans donated? Show your work please 
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03/29/16

Word Problem
States? A, B, and C are cooperating to build a dam. Seats on the 88?-member Water Authority are assigned according to the number of customers in each state who use the water from the project. There... more
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03/29/16

Name a point that is between 50 and 60 units away from (7,-2) and state the distance between the two points.
this is distance just find the distance for me its on my hw and its the last one I need to finish 
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