The answere would be $17 becasue
15/100 = 0.15
0.15 x $20 =$3
$20 - $ 3 =$$ 17
:)
I'll go over part A.
What's happening is that we are plugging some unknown number x into the function, and getting -1 as the result. The function rule is 3*x-7 which translates to "multiply the input number by 3, then subtract off 7"
Notice how multiplication comes first and then we subtract. This is following the order of operations PEMDAS (some books may call it BEDMAS depending on your region). The M for multiplication comes before the S for subtraction.
To isolate x, we follow the order of operations in reverse. We undo the "subtract off 7" then we undo the "multiply by 3"
So this is how it all works out
f(x) = 3x-7
-1 = 3x-7 .... replace f(x) with -1
3x-7 = -1
3x-7+7 = -1+7 ... add 7 to both sides to undo the "-7"
3x = 6
3x/3 = 6/3 ... divide both sides by 3 to undo the "multiplication"
x = 2
Therefore, if the input is 2, then output is -1
------------------------------------------------------------
Let's plug x = 2 into the function and see what happens
f(x) = 3x-7
f(2) = 3*2-7 .... replace x with 2
f(2) = 6-7 .... multiply
f(2) = -1 .... subtract
The input x = 2 leads to the output -1
So this confirms that x = 2 is the proper answer for part A
Answer:
Step-by-step explanation:
we know that
The area of rectangle is equal to
The coordinates of vertices are
using a graphing tool
Plot the coordinates of rectangle to better understand the problem
see the attached figure
the formula to calculate the distance between two points is equal to
we have that
<em>Find out the distance AD</em>
we have
substitute in the formula
<em>Find out the distance AB</em>
we have
substitute in the formula
The area of rectangle is equal to
Answer:
(x ÷ 2) + 7
Step-by-step explanation:
A quotient is the answer to a division problem...
So.... Let's say "a number" is x
(x ÷ 2) + 7 = Seven more than the quotient of a number and 2
That should be the answer!
<h2><u><em>
Please mark Brainliest!!!</em></u><em>
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