05/30/17

Worked hours
Two mechanics worked on a car. The first mechanic charged $65 per hour, the second mechanic charged $80 per hour. The mechanics worked for a combined total of 25 hours, and together they charged a... more
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05/30/17

Solve the following inequality. 50x-75<50/x
Solve the following inequality. 50x-75<50/x?     Is the point x=0 included in the solution set of the inequality? Are the other finite end points of the intervals included in the solution... more
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05/29/17

Which recursively defined function has a first term equal to 10 and a common ration of 4?
REGENTS REVIEW  
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05/29/17

What is CD?
In the ΔABC, AB = 16 in, BC = 9 in, AC = 10 in. AD ⊥ to the extended BC. Find CD.   A \----------     \           ------------------      \                            ---------------   C  ... more
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05/29/17

a) What are the values of each side? b) ​Prove that you are correct by showing that your sides will give the same answer as above for the area and perimeter.(ed
The following rectangular garden has thearea of 42 c 2 + 18 c meters 2and a perimeter of 26c + 6 metersa) What are the values of each side?b) Prove that you are correct by showing that your sides... more
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05/27/17

Find the area of a square when you know the perimeter
If the perimeter of a square is 48in is the area 8 with a square root of 3 in2?
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05/26/17

help!!!!!! super confused
let a and b be real numbers. the solutions of the equation ax + b = 30/x+2  - 1 are 8 and -8. What are the values of a and b? Explain your answer.
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05/25/17

The diagram shows a circle with a centre O and radius 5cm. The chord pq has length 8cm. Calculate the area of the shaded segment.
It's a circle with a sector. The sector has a triangle within it, two sides of the triangle is 5cm (the radi on either side) and the other side 8cm. You are supposed to find the shaded segment... more
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05/25/17

5tanx = 2sin2x solve for interval (0 2π)
5tanx = 2sin2x solve for interval (0 2π)algebraic means without calculator
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05/25/17

sin x- sq root 3 cosx = 0 solve for interval (0 2π)
sin x- sq root 3 cosx = 0 solve for interval (0 2π) algebraic means without calculator
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05/25/17

prove (sinx+siny)/(cosx-cosy) = -cot(x-y/2)
(sinx+siny)/(cosx-cosy) = -cot(x-y/2) use left as given
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05/25/17

prove sinxcosy = (1/2)(sin(x+y)+sin(x-y))
sinxcosy = (1/2)(sin(x+y)+sin(x-y)) left side is the given
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05/23/17

Find the speed of the marathoner.
An ultra-marathoner passes the 15-mi point of a race after 2 hr and reaches the 22-mi point 56 min later. Assuming a constant rate, find the speed of the marathoner. 
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05/23/17

How to find LWH (Algebra)
A rectangular prism has edges of length x, x + 2, and 2x-3 inches. The volume of the prism is 1040 cubic inches. Write a polynomial equation that models the prism's volume. What are the prism's... more
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05/22/17

I have a math question and the question is [m^x/m^y ] is equivalent to eich expression
A)mx-y b)mx+y c)mx-y
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05/22/17

A diagonal shortcut across an empty rectangular lot is 97 feet. The lot 72 feet long. What is the other dimension of the lot
Incinjcndicjindujedijeidnuednudj
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05/22/17

Solve the equation for the given domain
1.) cos2Θ + cosΘ-1=0 for 0°<=Θ<=180°   2.) 4cos2Θ=1 for 0°<=Θ<=360°
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05/22/17

There are 7 more boys than girls in a class of 33 learners. How many girls are there?
Full explinaiton please 
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05/22/17

algebra 2 high school
Factor each polynomial over the rational numbers. 1. a^2 -7a+10 2. 12x^2 -3y^2
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05/20/17

Jolene makes a figure that is 5 cubes long, 5 cubes high, and 5 cubes wide. She paints the outside of the figure yellow. How many cubes have no yellow faces?
A camp has 8 cabins. Each cabin has a direct path to each of the other cabins. How many paths are in the camp
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05/20/17

log381=? . Just type the number, and nothing else. Hint: Notice that 81 is a power of 3.
log381=?log381=? . Just type the number, and nothing else. Hint: Notice that 81 is a power of 3.
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05/18/17

What is the greatest fraction 16/33,8/15,25/32,7/39
It is about accelerated math
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05/18/17

If tan A=3, what is sin A?
In a right triangle, A is acute.
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05/17/17

What is the length of the longer leg of a 30 60 90 triangle with a hypotenuse of length 12 square root 3?
What is the length of the longer leg of a 30 60 90 triangle with a hypotenuse of length 12 square root 3?
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05/17/17

A student earned a grade of 80% on a math test that had 20 problems how many problems on the test of the student answer correctly
I'm using the box method
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