3 years ago

Find the value of 58-9x

Mathematics

1 answer:

Yuri [45]3 years ago

5 0

You cannot have an answer to this because it is not an equation

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Lady bird [3.3K]

Answer:

Q(-10) = 299

Step-by-step explanation:

$Q(x) = 3x^{2} - 1$ $Q(-10) = 3(-10)^{2} - 1$

$Q(-10) = 3(100) - 1$ (-10 to the second power is 100 (negative times a negative equals a positive)

$Q(-10) = 300 - 1$ 3 times 100 equal 300

$Q(-10) = 299$

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3 years ago

18.<br> [Algebra - Expansion]<br> Expand 3(x + 2)

alexira [117]

Answer:

Step-by-step explanation:

3(x + 2) = 3*x + 3*2

= 3x + 6

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3 years ago

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Alja [10]

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Step-by-step explanation:

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3 years ago

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Abby packs plastic cubes in a box. Each cube is 1 square centimeter.

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Answer:

2640 cubes

Step-by-step explanation:

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3 years ago

If $-2 < x \le 3,$ then find all possible values of $5x + 1.$ Give your answer in interval notation PLEASE ANSWER THUS PLEASE

exis [7]

Answer:

$(-9,16]$

Step-by-step explanation:

we know that

The domain of x is equal to the interval--------> $(-2,3]$

$-2< x \leq 3$

All real numbers greater than $-2$ and less than or equal to $3$

Let

$y=5x+1$

For $x=3$

$y=5x+1\\y=5(3)+1=16$

For $x>-2$

$y >5(-2)+1\\y > -9$

The range of the function is the interval--------> $(-9,16]$

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3 years ago

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