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Place each tile in the correct box, not all tiles will be used.
F(x) = 4x + 7
Place each tile in the correct box, not all tiles will be used.
F(x) = 4x + 7
2 answers:
Answer:
The person that answered at the top is a legend!! The picture below is just proof that he/she is right!! :)
Step-by-step explanation:
9514 1404 393
see attached Starting with the original function, swap the variables x and y, then solve for y. The resulting function is the inverse of the original function.
i hope this help's pleazz dont report me okay
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Option A
The system of equations are x + y = 40 and 10x + 7y = 360
<em><u>Solution:</u></em>
Let pounds of expensive coffee beans be x
Let pounds of cheaper coffee bean be y
Cost of 1 pound of expensive coffee bean = $ 10
Cost of 1 pound of cheaper coffee bean = $ 7
<em><u>The shop also sells a 40 pound mixture of the two kinds of coffee beans</u></em>
pounds of expensive coffee beans + pounds of cheaper coffee bean = 40
x + y = 40 ------ eqn 1
<em><u>The shop also sells a 40 pound mixture of the two kinds of coffee beans for $9 per pound</u></em>
pounds of expensive coffee beans x Cost of 1 pound of expensive coffee bean + pounds of cheaper coffee bean x Cost of 1 pound of cheaper coffee bean = 40 pound mixture x $ 9
10x + 7y = 360 --------- eqn 2
Thus the system of equations are x + y = 40 and 10x + 7y = 360
Thus option A is correct