All Questions

148

help

The area of a rectangle is 432 square centimeters. What would the new area be if the length of the rectangle was decreased by %10 and the width of the rectangle was increased by 10% ? Express your answer to the nearest whole number. read more ..

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Guest Apr 20, 2019

155

+1195

help

In a triangle with side lengths 5, 6 and x, what is the sum of all possible integral values of x?

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Logic Apr 20, 2019

147

+1195

help

Two sides of scalene measure centimeters and centimeters. How many different whole centimeter lengths are possible for the third side?

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Logic Apr 20, 2019

132

help

The cost of renting a bus for a field trip was split evenly among 20 students. At the last minute, 10 more students joined the trip. The cost of renting the bus was then evenly redistributed among all of the students. The cost for each of the original 20 read more ..

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Guest Apr 20, 2019

100

Trig

I am given an equation: tan(x) = 5.42
I am supposed to find all of the angles in the interval [0,360] that satisfy the equation above.

So far, I have x = tan^-1(5.42) = 79.6 degrees. Where do I go from here? read more ..

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Guest Apr 20, 2019

Apr 19, 2019

161

+279

I need help lol

Solve for the sum of all possible values of x when 3^(x^2 + 4x + 4) = 9^(x+2).

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ANotSmartPerson Apr 19, 2019

-1

190

-3

Hello can you please help me with this its super confusing

deleted - we are not here to do all your homework for you.

Do you think I am an idiot Brendon?
Do you think this is not fully recognisable to me? read more ..

off-topic

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BrandonClark Apr 19, 2019

168

+1195

help

Two sides of an acute triangle are 8 and 15. How many possible lengths are there for the third side, if it is a positive integer?

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Logic Apr 19, 2019

-1

170

+31

help asap?

deleted - we are not here to do all your homework for you.

Ask one question. Say thank you, ask questions about the answer if you want.
Learn from the answer. read more ..

off-topic

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bradv23 Apr 19, 2019

-2

110

+31

Help ASAP?

Help ASAP?

deleted - we are not here to do all your homework for you.
read more ..

off-topic

bradv23 Apr 19, 2019

-1

118

+31

Help ASAP?

help?

deleted - we are not here to do all your homework for you.
read more ..

off-topic

bradv23 Apr 19, 2019

-2

122

+31

help ASAP

deleted - we are not here to do all your homework for you.

Ask one question. Say thank you, ask questions about the answer if you want.
Learn from the answer. read more ..

off-topic

bradv23 Apr 19, 2019

-3

167

+31

help ASAP

help AAS

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bradv23 Apr 19, 2019

176

+159

(pls help asap) min value of y=x^2 +16/x using mean inequality, x>0

what's the minimum value of y=x^2 +16/x ? x > 0
I have to use the mean inequality to get the answer: (a+ b)/2 > sqrt(a*b)
(it's actually greater or equal to, but if I substitute (x, y) as the (a, b) values, it's just >read more ..

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hearts123 Apr 19, 2019

help plz

A and B are constants such that the graphs of the lines 3x - 4y = 7 and 8x + Ay = B are perpendicular and intersect at (5,2). What is A+B?

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Guest Apr 19, 2019

-1

160

+31

please help ASAP

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bradv23 Apr 19, 2019

math

a cable runs around a winch with a radius of 4.35 cm. Determine the minimum cable length used if the winch rotates at a speed of 5 rpm and operates for 5 mins 36 sec

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Guest Apr 19, 2019

-1

153

+31

please help ASAP

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bradv23 Apr 19, 2019

120

Please help with 2 questions

1) For how many real values of $c$ do we have $\left|\frac12-ci\right| = \frac34$?
2) Determine the complex number $z$ satisfying the equation $2z-3\bar{z}=-2-30i$. Note that $\bar{z}$ denotes the conjugate of $z$.

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Guest Apr 19, 2019

225

some quick math help

Suppose the scores on a trivia quiz are normally distributed with a mean of 80 and a standard deviation of 5.
Which group describes 16% of the population of trivia quiz scores?

scores below 70 read more ..

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Guest Apr 19, 2019

190

+64

help please

The two quadrilaterals below have the same area. What is the height of the orange trapezoid?

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donkey Apr 19, 2019

103

Trigonometry

I am not sure how to solve this question:
cos(x) = 0.873
I am supposed to find all of the angles in the interval [0, 360] that satisfy the equation above. (Round approximations to the nearest tenth of a degree.)

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Guest Apr 19, 2019

185

+64

help!

Parallelogram ABCD has area 144, with AB=16 and BC=12. Find the length of segment DX.

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donkey Apr 19, 2019

-1

127

+31

please help ASAP?

please help

bradv23 Apr 19, 2019

All Questions ⁺⁰155875 Questions

help

help

help

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Trig

I need help lol

Hello can you please help me with this its super confusing

help

help asap?

Help ASAP?

Help ASAP?

help ASAP

help ASAP

(pls help asap) min value of y=x^2 +16/x using mean inequality, x>0

help plz

please help ASAP

math

please help ASAP

Please help with 2 questions

some quick math help

help please

Trigonometry

help!

please help ASAP?

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