I dont understand how to solve the problem
I dont understand how to solve the problem
Im having trouble using the sum/difference formula to simplify the equations below. Help is greatly appreciated 1) cos (π + θ) 2) tan (π/6 + π) 3)...
5X+3y=34 5X-2y=19
I was given this formula: s=-16t2+v0t+S0 A rubber duckie is thrown into the air from the ground with an initial velocity of 100ft/s. Neglecting air resistaqnce, what is...
400gm solution has 40% salt in it. How much salt must be added to make it 50% in the solution?
how do you solve this problem?
4X +y =-11 3X-y=-3
You have two planes that need refueling. One plane that can carry fuel has a hose that is 160 feet long. The angle of elevation between the plane being refueled and the hose is 32 degrees. Find the...
It takes Ralph 7 hours to paint a fence alone. Lisa can do the same job in 11 hours. If Ralph paints alone for 15 minutes before Lisa begins helping, how long must they work together to finish painting...
The last millons i have been Tastless and the texture is different.
hardcover books are four dollars each and paperback books are 2 dollars each. A person spends $26 for 8 books how many hardcover books did she purchase
How much pure gold(24k) must be mixed with 60% gold to get20 g of 75% gold
3x-2y=-5 Y=3x+1
Shawn is training for a triathlon. He starts his workout by riding his nike for 1 hour and then runs for 1.5 hours. Shawn rides his bike 10 miles per hour faster than he runs. If he travelled a total...
I believe I Know how to make a table for the ordered pairs x y (x,y) but i need help with the ordered pairs thanks
Please help
we noticed that all are divisible by 60, and each animal is the letter of the alphabet in order. Some kids developed a code to assign numerical values to the names of animals...
What is the difference between the two skaters finish times?
Jessica's penny bank is 1/3 full. after she adds 440 pennies , it is 5/6 full. how many pennies can jessica's bank hold?
If you draw a tree show the number of ways to roll 5 sided dice how many possibilities would there be?