this sum only includes three numbers

this sum only includes three numbers

2cosx - secx = cosx - tanx/cscx

Are every number equal to (sum of digits + product of digits) in a given base only two digits long ? Thought about limiting like this : b^(n - 1) <= N = Product digits + Sum...

Calculate S3,S4, and S5 and then find the sum for the telescoping series S=∑(1/n+1−1/n+2),n=0..infinity S3 = S4 = S5 = S =

The sum of 4 numbers is 60. The first number was increased by four The second number was decreased by four The third number was multiplied by four The fourth number was...

I used in here the formula: Speed=distance/time. Correct me if im wrong, I got 20kph as my answer. I'm quite unsure with it. Can you please show me the correct equation/solution in this word problem...

I couldn't get the right equation in this word problem. What must be the correct solution?Your best explanation would be a great help. Thanks.

A. 56 B. 63 C. -7 D. 20

Kindly give me an equation here in arriving the answer. Thanks

I can't figure out the answer from the choices. I'm getting $50,000 for Thomas. My equation for this is: (x+12,000) + (x+18,000) + x = $144,000 I think there's...

The sum of (2h -2), (3h-1), (h+2), (h+5), and (3h+1) is equivalent to: A. 8h - 11 B. 8h + 11 C. 8h + 5 D. 10h + 5 E. 10h + 11 Choose...

The sum of four consecutive integers is 508. Find the integers.

The sum of the measures of ∠B and ∠C is 180°, and ∠A ≅ ∠B. What must be true about the measures of ∠A and ∠C ? A. m∠A + m∠C = 90° B. m∠A + m∠C =...

How do I represent Fibonacci in a Arithmetic Sequence where Fibonacci 1 + Fibonacci 2 =8, or (1+2) + (2+3).

Calculate the sum: 3+ 7+ 11+ ......+ 399

the sum of two numbers is 70. The first number is 2/5 of the second number . What are the numbers?

Help me understand, What would be the solution in this word problem? Thanks!

The sum of three consecutive integers is 363.

A cyclist travels 100 km on the first day of the week. Every day the cyclist increases the distance by 50%. So on the second day the cyclist travels 150 km and so on. How far does the cyclist travel...

Find k in the equation (k-3)x2 + (k-2)x - 5 so that: a) the sum of roots is 3. b) the product of roots is -4.