Answer: 7x^2+21x+14
Step-by-step explanation:
(7x+7)(x+2)
Multiply each term in the first parentheses by each term in the second parentheses (FOIL)
7x×x+7x×2+7x+7×2
↘ ↙
7x×x calculate product
7x^2+7x×2+7x+7×2
↘ ↙
7x×2 calculate product
7x^2+14x+7x+7×2
↘↙
7×2 multiply numbers
7x^2+14x+7x+14
↘ ↙
21x collect like terms
7x^2+21x+14 is your end result.
The number of people which gets 1/6 of the pizza as required for lunch the next day is; 4 persons.
<h3>What is the number of people who get 1/6 of the pizza for lunch?</h3>
It follows from the task content that only 4/6 of the pizza is left and each individual needs 1/6 of the pizza for lunch.
On this note, the 4/6 fraction of pizza left mean: 4 × 1/6.
Therefore, only four persons get lunch.
Read more on fractions;
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The sum of the interior angles of a triangle is 180 degrees
2x-9+3x+x+3=180
6x-6=180
6x=186
x=31
A=2(31)-9
A=62-9
A=53
Answer:
1,-5 and -1,-3
Step-by-step explanation:
25% 6 divided by 24 will give you the percentage of copper in the bar
