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3 years ago

What is 2 × 5 – 10 ÷ 2?

Mathematics

2 answers:

morpeh [17]3 years ago

5 0

Answer:

(2 x 5) - (10 ÷ 2)

10 - 5

5 is the answer

ryzh [129]3 years ago

5 0

Answer:

Step-by-step explanation:

2 * 5 - 10 / 2 → first we do the multiplications

10 - 10 / 2 → no the division

10 - 5 → and finally the subtraction

5 → final answer

Hope it helped,

BioTeacher101

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Answer:

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3 years ago

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2 years ago

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statuscvo [17]

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3 years ago

The cost to produce a product is modeled by the function f(x) = 5x^2 − 70x + 258, where x is the number of products produced. Co

Advocard [28]

The minimum of a quadratic function, with a positive coefficient a, is its vertex.

Let's find the x₀ coordinate.

$f(x) = 5x^2 -70x + 258\\\\x_0=\dfrac{-b}{2a}=\frac{-(-70)}{2*5} =\frac{70}{10} =7$

Now we need to find y₀ coordinate. That will be the minimum of function.

$y_0=5\times7^2-70\times7+258=13$

So, the minimum cost to produce the product is $13

Decompose 5x^2 − 70x + 258 into multipliers

$5x^2 - 70x + 258=(5x^2-70x+245)+13=5(x^2-14+49)+13=\\=5(x-7)^2+13$

Answer: 5(x − 7)^2 + 13; The minimum cost to produce the product is $13.

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2 years ago