3 years ago

What is the middle term and first term of (2x-4)2

Mathematics

1 answer:

Otrada [13]3 years ago

8 0

Answer:

First term: 4x

"Middle" term: -8

Step-by-step explanation:

2(2x-4) is the same thing as 4x-8.

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Write expression in standard form 5x-(-4+-2x)

Elodia [21]

Answer: 5x+4+2

Step-by-step explanation:

5x-1(-4+2)

multiply the -1 by the -4 and 2

5x+4+2

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4 years ago

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yarga [219]

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Step-by-step explanation:

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3 years ago

4. Which of the following correctly orders the values below from least to greatest?

OLga [1]

0.75%, 3/4, 0.075. I think this correct.

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3 years ago

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exis [7]

Answer:

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Step-by-step explanation:

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3 years ago

Josue broke a cell sample into 12 batches, each weighing 6.9 x 10 ^-10

Klio2033 [76]

Using proportions, it is found that the original sample weighed $8.28 \times 10^{-9}$ grams.

This question is solved by <em>proportions</em>, using a rule of three.

The weight of 1 batch, in grams, is of $6.9 \times 10^{-10}$ . How much do the sample of 12 batches weigh?

The rule of three is:

1 batch - $6.9 \times 10^{-10}$ grams.

12 batches - x grams

Applying cross multiplication:

$x = 12 \times 6.9 \times 10^{-10} = 82.8 \times 10^{-10}$

Applying scientific notation:

$8.28 \times 10^{-9}$

The original sample weighed $8.28 \times 10^{-9}$ grams.

You can learn more about proportions at brainly.com/question/24372153

5 0

3 years ago

Read 2 more answers