Verify the identity sin^2 (x/2) = (1-cosx) / 2

9. The temperature at noon was 84° F and it began to drop 0.8° each hour. If the current temperature is 79.2° F, write and solve an equation to determine the number of hours that have passed.

you are ordering a meal and you have $15 to spend the the restaurant charges 6% sales tax you plan to leave a 15% tip the equation C equals X Plus 0.06x + 0.15x gives the total cost of c of your meal, where x is the cost before tax and tip.

Of a squirrels hidden nuts, for every 5 that get found, 3 will never be found. A squirrel hid 40 all together. How many nuts did not get found

Multiply me by 4 Then subtract 13 if you divide me by 3 and add 17 you get 22 what number am i

Asia bought 46 bags of oranges at the supermarket and it cost her $104.42 write an equation that can be used to express the relationship between the total cost and the number of bags of oranges purchase

Krista has a quiz today. There are 4 questions with 4 options. Each question only has one correct answer. She wants to guess and get 3 out of the 4 questions right. What is the probability of her getting 3 right

A positive number is 7 less than another positive number. 4 times the greater numver added to 1/3 of the lesser positive number is 80. Find the two positive numbers

What is the rule for perimeter

A baker has 27 wheat bagels and 36 plain bagels that will be divided into boxes. Each box must have the same number of wheat bagels and the same number of plain bagels. What is the greatest number of boxs the baker can make using all of the bagels?

Is the statment true, false, or open? 5x+2=6x+10