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3 years ago

Find the sum of 34x+6 and −(14)x−9

Mathematics

1 answer:

Semmy [17]3 years ago

4 0

Answer:

20x - 3

Step-by-step explanation:

Finding the sum means adding the two together; combining like-terms.

34x + 6 - 14x - 9

34x and -14x both have the variable x with them so we can combine those terms. Since 6 and -9 have no variables with them, we can combine them.

20x - 3

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Write y=x^2-2x-3 in vertex form

-BARSIC- [3]

To solve this, use the ‘completing the square’ strategy.
Leave a space to make the first two values a perfect square.
y=(x^2-2x___)-3
Divide -2 by 2 and square that number to put in the blank. Then subtract that number from outside.
y=(x^2-2x+1)-3-1
Simplify!
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It is in vertex form now ;)

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Think about the numbers 210 and 10. How could you describe these numbers?

WARRIOR [948]

Both divisible by 10

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Which two numbers on the right will you use to calculate 3 x 9?

velikii [3]

Answer:

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2 years ago

-5x - 3y = -168 X = 5y

Mandarinka [93]

Answer:

-9 thats what my friend told me

Step-by-step explanation:

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3 years ago

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If Ruby plans on making 4 batches of pancakes, how many combined cups of powdered milk and whole wheat flour does she need?

Trava [24]

Ruby needs a cup of powdered milk and six cups of whole wheat to prepare four batches of pancakes.

Given the quantities of powdered milk and whole wheat to prepare a batch of pancakes, we can determined the total amount of each ingredient by simple rule of three:

Powdered milk

$x = 4\,batches\times \frac{1}{4}\,\frac{cups}{batch}$

$x = 1\,cup$

Whole wheat

$y = 4\,batches \times \frac{3}{2}\,\frac{cup}{batch}$

$y = 6\,cups$

Ruby needs a cup of powdered milk and six cups of whole wheat to prepare four batches of pancakes.

To learn more on simple rule of three (cross multiplication), we kindly invite to check this verified question: brainly.com/question/8647106

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