3 years ago

stephany can type 2/3 of a page in 1/6 hour .at this rate how many pages will stephany type per hour?

1 answer:

6 0

2 and 4/6 pages in one hour

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satela [25.4K]

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EastWind [94]

Answer:

$\sqrt[3]{x^{2}}$

Step-by-step explanation:

$x^{2/3} = \sqrt[3]{x^{2}}$

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NemiM [27]

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Scrat [10]

Answer: the correct option is

(D) The imaginary part is zero.

Step-by-step explanation: Given that neither a nor b are equal to zero.

We are to select the correct statement that accurately describes the following product :

$P=(a+bi)(a-bi)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)$

We will be using the following formula :

$(x+y)(x-y)=x^2-y^2.$

From product (i), we get

$P\\\\=(a+bi)(a-bi)\\\\=a^2-(bi)^2\\\\=a^2-b^2i^2\\\\=a^2-b^2\times (-1)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[\textup{since }i^2=-1]\\\\=a^2+b^2.$

So, there is no imaginary part in the given product.

Thus, the correct option is

(D) The imaginary part is zero.

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3 years ago

MariettaO [177]

Wait for area, wouldn't you just times 13 and 5 and get 65 and then times 23?

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