07/25/18

( sin ( x ) ) ( tan ( x ) ⋅ cos ( x ) − cot ( x ) ⋅ cos ( x ) ) = 1 − 2 cos ^2 x

I don't know how to verify this identity. Can you explain it to me?

07/25/18

how much card board is needed to build a box of 12inch long,8inch wide and 10inch high

how much card board is needed to build a box of 12inch long,8inch wide and 10inch high

07/24/18

What is the average atomic mass of this element

Problems SetB » SummerB_08A newly discovered element is found to have four isotopes. The first isotope has a mass of 628.7 amu and a percent abundance of 24.21 %. The second isotope has a mass of... more

07/24/18

word question

the minimum and maximum surface area and volume of a cube with a side length of 28cm

3/5 dividing 2

dividing mixed number

if the air in the room is cooled to a low enough temperature, it will change from a gas to a liquid. what volume of liquid air would it produce?

the mass of the air in the room is 36kg. the density of liquid air is 1125 kg/m cubed

07/24/18

The basic SI unit for measuring mass is the liter. True or false

Please answer quickly! Very much appreciative thank you! :)

07/23/18

If the length of one leg of a right triangle is 4 and the hypotenuse is 65−−√ , what is the length of the other leg?

A. 7 B. 3–√ C. 69−−√ D. 33−−√

07/23/18

Factor the polynomial completely

27p^3-1   factor the polynomial completely. If someone could break this down or me I am very confused

07/23/18

Evaluate The following

Evaluate Log8/(1/n)

Solve the logarithmic equation.

what is the logarithmic equation of In x=7

Express as a sum of logarithms ln 4x

A ln 4x + ln x B ln 4 - ln xC ln 4 + ln xD ln(4 + x)

How to answer with using log? 4^(10-2x)=4096

anybody know how to do solve this? please thank you

07/22/18

Find the no of carbon atom in a 60 grm pencil containing 60℅graphite?

I want to learn chemistry

07/22/18

Write an equation of the line that is parallel to the graph of y=-4x+2 and passes through (2,-4) .

I am having hard time understanding how to work out this problem, still a little rusty with slope problems.Thank You.

07/22/18

A ball must cover a horizontal distance of 22m and make it over a wall which is 18m away and 3m tall. What is the lowest maximum height the ball must reach?

It is a question about the parabolic path of a soccer ball which is kicked from ground level. It must only travel exactly 22 metres, and just barely make it over a wall which is 18 metres away from... more

07/21/18

The sum of two even consecutive intergers is 46. Find the intergers

I need the equation

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