10/14/17
Find the cost per pound of the cinnamon tea and of the spice tea.
A merchant mixed 10 lb of a cinnamon tea with 4 lb of spice tea. The 14-pound mixture cost $37. A second mixture included 14 lb of the cinnamon tea and 12 lb of the spice tea. The 26-pound mixture...
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10/13/17
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z equals x plus 30z=x+30 and x plus y equals 110.x+y=110. Determine a third equation involving x, y, and z, and then find the measures of the three angles
10/12/17
I don't even know where to start
a company makes $25 profit from the sales of a product A and $35 from product B. Each uses 3 units of material and 5 units of labor. Each B requires 5 units of material and 4 units of labor. Let x...
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10/12/17
17) length of angle problem
The length of the sides of angle ABC are consecutive integers. If angle ABC has the same perimeter as an equilateral triangle with a side angle of 9, what's the len of the shortest wide angle abc??
10/12/17
The height (in feet) of a tree after x years is 1.5x + 15. After how man y years is the tree 24 feet tall?
Math word problems
10/11/17
Equation of an ellipse
Find an equation of the ellipse that satisfies the given conditions. Foci (0,+-1), length of minor axis is 3.
10/11/17
Write and equation of the parabola in vertex form. Vertex equals (0,3) (1,-4)
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10/11/17
inequalities word problem
The length of a rectangle is 7 inches longer than the width. The perimeter is between 30 and 41 inches. Write the perimeter as a compound inequality, and then graph the result.
10/11/17
find the slope intercept form of the equation of the line that passes through the given point (2,7) and y=x-2
find the slope intercept form of the equation of the line that passes through the given point (2,7) and y=x-2
10/10/17
What is Jeff's expected earnings from the concert?
Jeff is producing an outdoor concert. He estimates that he will make 3200 dollars if it does not rain, and make 950 dollars if it does rain. The local weather station (which we'll assume is...
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10/09/17
Please anwer the below.
If it snows on game day there is a 32% chance the Jets will win. If it does not snow on game day there is a 41% chance the jets will win. There is a 29% chance that it will snow on game day. a....
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10/09/17
Solve each proportion by finding the value of the variable.
Solve each proportion by finding the value of the variable.
x/6=12/2x
10/09/17
Your test scores in one class are 82 and 86. What possible scores can you earn on your next test to have a test average between 84 and 89, inclusive?
I just need the answer.
10/09/17
Exponential function and linear function
write the exponential function that pass through the points left-parenthesis 0 comma 500 right-parenthesis and left-parenthesis 1 comma 600 right-parenthesis.
10/08/17
three times the sum of a number and nine is 12. find the number
three times the sum of a number and nine is 12. find the number
You are building a right-angled triangular flower garden along a stream as shown in the figure. The fencing of the left border costs $10 per foot, while the f
You are building a right-angled triangular flower garden along a stream as shown in the figure. The fencing of the left border costs $10 per foot, while the fencing of the lower border costs $2 per...
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What are the dimensions of the vegetable patch with the largest area I can enclose?
I would like to create a rectangular vegetable patch. The fencing for the east and west sides costs $4 per foot, and the fencing for the north and south sides costs only $2 per foot. I have a...
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10/07/17
Area ( parametric curves )
Sketch the parametric curve x = t2, y = t(t−1)(t + 1) and find the area enclosed by its loop.
I dont understand why the limits of integration are 0 to -1 ?
10/05/17
he equation for the line tangent to y equals 2 minus 7 x squaredy=2−7x2 at (negative 3−3,negative 61−61) is yequals=
Find an equation for the line tangent to y equals 2 minus 7 x squaredy=2−7x2 at (negative 3−3,negative 61−61
10/05/17
he equation for the line tangent to y equals 2 minus 7 x squaredy=2−7x2 at (negative 3−3,negative 61−61) is yequals=
Find an equation for the line tangent to y equals 2 minus 7 x squaredy=2−7x2 at (negative 3−3,negative 61−61
fatima plans to spend at least $15 and at most $20 on sketchpad and pencils. if she buys 2 sketch pads, how many pencils can she buy
show all work please
10/04/17
need help please
A survey of 500 farmers showed that of the farmers, 128 grew only wheat, 111 grew only corn, 88 grew only oats, 202 grew wheat, 57 grew wheat and corn, 50 grew wheat and oats, and 176 grew corn....
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10/02/17
Triangle ABC has an area of 14 square centimeters. AB is 6cm, AC is 7cm. Calculate the possible values of angles A, B and C.
Triangle ABC has an area of 14 square centimeters. AB is 6cm, AC is 7cm. Calculate the possible values of angles A, B and C.
10/01/17
Solve the system of equations by graphing:
Solve the system of equations by graphing:
y - 4x= 18
y = 4x +20
Enter the solution set in the boxes below. If the lines are parallel, enter DNE (for "does not exist") into each box....
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