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3 years ago

The product of 9 and a number....Into mathematical expression

Mathematics

2 answers:

Tatiana [17]3 years ago

6 0

Answer:9x

Step-by-step explanation: Well, you said the product of 9 and a number. It doesn't matter which. So you're basically multiplying 9 with a variable that could be ANY possible result and end up with any possible product. So 9x =..... Either way, you could do it however you want.

ikadub [295]3 years ago

5 0

Answer:

Step-by-step explanation:

Let the number be x.

$9 \times x = 9x$

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denis23 [38]

In math, when you see the word "of" it usually means "times".

So the question is:

2/3 times something = 10

Multiply each side of the equation by 3 :

2 times something = 30

Divide each side by 2 :

 something = 15

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3 years ago

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Expand and simplify (x+5)(x-2)

salantis [7]

Answer:

${x}^{2} - x - 12 = (x + 3)(x - 4)$

${x}^{2} + 3x + 2 = (x + 2)(x + 1)$

${x}^{2} + 3x - 10 = (x + 5)(x - 2)$

Step-by-step explanation:

F [First terms] - Multiply the first terms in each set of parentheses FARTHEST TO THE LEFT

O [Outside terms] - Multiply the first term in the first set of parentheses FARTHEST TO THE LEFT by the last term in the second set of parentheses FARTHEST TO THE RIGHT

I [Inside terms] - Multiply the last term in the first set of parentheses FARTHEST TO THE RIGHT by the first term in the second set of parentheses FARTHEST TO THE LEFT

L [Last terms] - Multiply the last terms in each set of parentheses FARTHEST TO THE RIGHT

${x}^{2} - x - 12 = {x}^{2} - 4x + 3x - 12$

${x}^{2} + 3x + 2 = {x}^{2} + x + 2x + 2$

${x}^{2} + 3x - 10 = {x}^{2} - 2x + 5x - 10$

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2 years ago

Select the correct answer. Which graph represents a proportional relationship?

Dovator [93]

Answer: the answer would be choice A

Step-by-step explanation: it passes through the origin making it a proportional relationship

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Answer:

Step-by-step explanation:

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