2 years ago

WRITE AN EQUATION

1 answer:

6 0

First subtract to keep the magazine out,
8.20 - 5 = 3.2
Since you bought four erasers, you’ll divide your answer by four,
3.2 / 4 = 0.80
So every eraser cost 0.80 or 80cents

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3x-2x+8=12; x=4 Determine if the value of x is a solution to the equation

VARVARA [1.3K]

Step-by-step explanation:

3x - 2x + 8 = 12; x=4

Now, Evaluate the value of x

3(4) - 2(4) + 8 = 12

12 - 8 + 8 = 12

12 + 0 = 12

12 = 12

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2 years ago

Last week, a coral reef grew 19.8mm taller. How much did it grow in meters?

Oliga [24]

Answer:

Last week the coral reef grew .0196m

Step-by-step explanation:

So it's hard to explain but simply Milli witch is the symbol "m" is a unit prefix in the metric system denoting a factor of one thousandth (10 −3). So 19.6mm is 19.6*10^-3m. in other words 19.6 times 10^-3m

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3 years ago

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A company’s board of directors took a random sample of 10% of the company’s employees and surveyed them about their happiness at

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D the sample mean would less closely model the population mean

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2 years ago

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3/4 3√128. simplify? kindly

lisov135 [29]

Answer: 3∛2

Step-by-step explanation:

First, factor 128 .... you need three common factors to bring one on the outside of the radical.

$\dfrac{3}{4}\sqrt[3]{128} \\\\\\=\dfrac{3}{4}\sqrt[3]{4\cdot 4\cdot 4\cdot 2} \\\\\\=\dfrac{3}{4}\cdot 4\sqrt[3]{2} \\\\\\=\large\boxed{3\sqrt[3]{2} }$

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3 years ago

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