Solve by graphing. (If there is no solution, enter NO SOLUTION. Use the parameters x and y as necessary.) x − y = −2 x + 2y = 22 (x,y) format

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Solve by graphing. (If there is no solution, enter NO SOLUTION. Use the parameters x and y as necessary.) x − y = −2 x + 2y = 22 (x,y) format

what is the graph hard to simplify need help

how much would you need to deposit in a bank account today in order to have $11,700 in the account 10 years from now if the account earns interest at a rate of 3.4% compounded semiannually? ( round...

Solve by the substitution method. 2x − 6y = −18 −x + 3y = 9 (x,y)

2 numbers total 126 when they are added. The difference between the two numbers is 48. What are the two numbers?

I think I have formula but I am not plugging the numbers in correctly please help I have been trying to figure out this problem for two days now

If cos x = a, where π/2 < x < π and cos y = -a, then which of the following could be the value of y?

The equation is tan(thetha)= 1/3 . [0,360)degrees How am I supposed to know how to find the angle? Is there some equation to do? I know the unit circle by heart so its what im using,...

A geometric sequence is defined by the equation an = (2)5 − 2n. Part A: What are the first three terms of the sequence? Part B: What is the value of r? Part C: What is the...

a 19ft ladder reaches the top of the building, making a 43.8 degree angle with the building. How tall is the building?

Solve by the substitution method. (If there is no solution, enter NO SOLUTION. Use the parameters x and y as necessary.) 3x + 2y = 8 y = 3 − 2x (x,y)=

1. Define the following functions on the integers by f(k) = k + 1, g(k) = 2k, and h(k) = ⌈k/2⌉ (a) Which of these functions are one-to-one? (b) Which of these functions are onto? (c)...

If m and n are integers such that m2+n2=40 and m< 0 < n, what is the value of (m+n)2?

similarly of the two numbers 1/99^100 and 1/100^99 which is smaller

A clothing manufacturer purchased 65 yd of cotton and 85 yd of wool for a total cost of $1,155. Another purchase, at the same prices, included 70 yd of cotton and 15 yd of wool for a total cost of...

Differentiate the following functions y = x^3+?6x?^(-4)-?4x?^(1/2)+ 10 y = (?6x?^3+?4x?^2+3)(?2x?^2-?4x?^(-2)+5)

Explain two ways in which Universal monotheism produced gods that were more beneficial to the average person in the polytheism that came before

If the expression ((n2-9)/(n2+3)) is equivalent to the expression 1-((k)/(n2+3)) for all values of n, what is the value of k?

If (cos x)(sin x) = .2, what is the value of (cos x + sin x)2 ?

A portion of the graph of the quadratic equation described below y=f(x) is shownin the xy-plane above. The function g is defined by the equation g(x) = f(x) + b...