How did brianly choose the best answer

Mathematics

1 answer:

ladessa [460]2 years ago

5 0

Answer:

➢ Unfortunately, Brainly appears more to be a place to get quick answers so that students can finish homework faster. The answers, even if they're correct, often offer little to no elaboration or depth on the topic, and there's no guarantee that given answers will be correct.

$#CarryOnLearning$

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5(4d-4+d)-6d equals what

S_A_V [24]

<span>19d - 20 is the answer because you need to simplify.</span>

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3 years ago

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Charlie has a $30 smoothie gift card. Each time he uses the card to buy a smoothie, $2 is deducted from his card. If the balance

miss Akunina [59]

Answer:

it would be 8.

Step-by-step explanation:

subtract 2 from 30 until you get to 12.

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2 years ago

Jeff was on a bus full of campers. A group of 12 campers got out of the bus while 27 campers stayed inside. How many campers wer

natka813 [3]

Answer:

The answer would be 39 campers.

Step-by-step explanation:

Think about before the 12 campers got off the bus. So, in addition to 27 campers that stayed inside the bus (12+27), it would equal 39 campers in total.

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2 years ago

Given f (x) = x2 + 4x + 5, what is f of the quantity 2 plus h end quantity minus f of 2 all over h equal to?

meriva

By evaluating the quadratic function, we will see that the differential quotient is:

$\frac{f(2 + h) - f(2)}{h} = 8 + h$

Here we have the quadratic function:

$f(x) = x^2 + 4x + 5$

Evaluating the quadratic equation we get:

$\frac{f(2 + h) - f(2)}{h}$

So we need to replace the x-variable by "2 + h" and "2" respectively.

Replacing the function in the differential quotient:

$\frac{(2 + h)^2 + 4*(2 + h) + 5 - (2)^2 - 4*2 - 5}{h} \\\\\frac{4 + 2*2h + h^2 + 8 + 4h - 4 - 8 }{h} \\\\\frac{ 2*2h + h^2 + 4h }{h} = \frac{8h + h^2}{h}$