Answer:
Please check the explanation!
Step-by-step explanation:
Given the polynomial




so expanding summation

solving




also solving






similarly, the result of the remaining terms can be solved such as




so substituting all the solved results in the expression


Therefore,

Answer:
1.) Proportion is about the ratio of part of something out of a whole. Percentage is similar because it tells you the ratio of something out of a whole.
2.) No, tip amount is more than what the waiter usually receives
Step-by-step explanation:
2.) The amount of tip the waiter receives = 20% of total money.
therefore 20% of 47.20 = 20/100 * 47.20 = $9.44;
$11 > $9.44
Answer:
y = -3x + 1
Step-by-step explanation:
Perpendicular lines have opposite reciprocal slopes, so the slope will be -3.
Plug in the slope and given point into y = mx + b
y = mx + b
-5 = -3(2) + b
-5 = -6 + b
1 = b
Then, plug in the slope and y intercept into y = mx + b again:
y = -3x + 1 will be the equation of the line
Answer:
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Step-by-step explanation: