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valkas [14]
3 years ago
6

Write the following as an algebraic expression. Then simplify.

Mathematics
1 answer:
MrMuchimi3 years ago
8 0

Answer:

4y

Step-by-step explanation:

The perimeter means the sum of all sides. A square has <u>four equal sides</u>, and we know <u>each side is "y"</u>.

y + y + y + y

Then simplify that expression. <u>Collect like terms</u>, which are numbers with the same variables. All of them are "y", so combine them by adding.

y + y + y + y

4y                Simplified expression

Remember an expression means there is no equal sign.

P = 4y         is an incorrect answer.

That would be an equation.

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3 years ago
Antonius the chef wants to cook several batches of lasagna and spaghetti for his restaurant. He plans to use at least 4.54.5 kil
yaroslaw [1]

Answer: No he does not meet both of his expectation by cooking 10 batches of spaghetti and 4 batches of lasagna.

Step-by-step explanation:

Since here S represents the number of batches of spaghetti and L represents the total number of lasagna.

And,  the chef planed to use at least 4.5 kilograms of pasta and more than 6.3 liters of sauce to cook spaghetti and lasagna.

Which is shown by the below inequality,

0.3S+0.65L \geq 4.5 ----------(1)

And,  0.25S+0.8L >6.3 --------(2)

By putting S = 10 and L = 4 in the  inequality (1),

0.3\times 10+0.65\times 4 \geq 4.5

⇒ 5.6\geq 4.5(true)

Thus, for the values  S = 10 and L = 4 the inequality (1) is followed.

Again By putting S = 10 and L = 4 in the  inequality (2),

0.25\times 10+0.8\times 4 >6.3

⇒ 5.7>6.3( false)

But, for the values  S = 10 and L = 4 the inequality (2) is not  followed.

Therefore, Antonius does not meet both of his expectations by cooking 10 batches of spaghetti and 4 batches of lasagna.



4 0
3 years ago
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