用戶55769

 If a=i+j+4k and b=i+j+2k Compute the cross product a×b.?

Calculate the Earth's Volume in Km^3 and Scientific Notation ?

Check whether p=5 is a solution of p+6=11?

Dan and David win some money and share it in the ratio 5:4. Dan gets £8 more than David. How much did David get? urgent next 2 mins?

There are 13 students in a class. 2 students pass. What is the percentage of students that pass?

[(3x-6)/(4x-8)]<=1. Solve; use interval notation?

1. What is size of angle A? 2. What is the size of angle B? I'm not sure what to do.?

if g(x)=1-3x and f(x)=9x^2-6x+5, determine value of f(5)?

find the coeffcient of x^2 in the expansion of (1+x^2)(x/2 - 4/x)^6?

find the coefficient of x^2 in the expansion of (1+x^2)(x/2 - 4/x)^6?

I am wondering about the solar eclipse on Sunday and does it have anything to do with the world ending prediction?

pls help asap?

find the measure of the arc?

If cos y + 3 = xy3 - 4x then find dydx?

Please, explain?

I know this is so stupidly simple, and I should have learned this by now. But please, help me. With this math.?

I need help with this math problem ?

I need help with this math problem?

 Can someone please solve this? ?

geometry help?

A rectangular ink pad has a perimeter of 20 centimeters. Its area is 24 square centimeters. What are the dimensions of the ink pad?

Anyone can help me with this math question?

Algebra age word problem?

Math Question?

Trigonometry?

Evaluate the problem in the photo given ?

If I multiply X to 5 what would it equal?

(Sqrt8 + sqrt12)(sqrt48 + sqrt18)?

If I add X to 5x would it equal 5x^2 or something else?

Sum and Difference Identities?

The ratio of the length of a rectangle to its width is 5:4. If the width is 35 cm ,find the length. ?

I have a 4 minute nosebleed every week ?

Find tan 75 using both sum and difference formulas. Thank you!?

NO CALCULATOR: can you find an exact value for x without a calculator and give a final answer in numerical form (ie no 'ln's allowed)?

NO CALCULATOR: solve for x. Been doing this for about half an hour and I've been going around in circles.?

Can someone answer 22 and 23?

Math question I am stumped. A store manager priced a pair of earrings in dollars and cents such that...?

arpit has 21 coins consistenting of 1 and 2 rupee coins. The total value of these coins is 34 rupees. how many 1 rupee and 2 rupee coins are?

How Much does 1 Bag Cost ?

What is the volume of the cylinder shown below?

math word problem?

cual es el valor de x y y en la siguiente ecuacion: 2x+7y=5 3x+14y=3?

What is 0^0?

what is the height of the building if the 1st angle of elevation is 50 degrees & the 2nd is 28 degrees were taken at distance 100 feet apart?

Help with the first maths question pls? I got 3/4.?

How many feet tall is 80 cm in inches and feet tall in height?

If 1/4 cup of brown rice is 160 calories, how many calories would be in 1 cup?

Simple Ratio?

Insert five numbers between 0.125 and 8 so that the seven numbers form a geometric sequence.?

Can someone help me with this geometry problem?