4 years ago

Henry is working on a division problem. Which decimal point is in the correct place for Henry’s result?

Mathematics

1 answer:

Dominik [7]4 years ago

7 0

It would be answer 4 because 14.85 divided by .05 is 297

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I need help on this question

Musya8 [376]

1. added four to both sides
2. divided both sides by two

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3 years ago

Read 2 more answers

If neither a nor b are equal to zero, which answer most accurately describes the product of (a + bi)(a - bi)?

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.

3 0

3 years ago

RS is the segment bisector. If OQ = 32 and PO = 4x,

labwork [276]

Answer:

Step-by-step explanation:

8 0

3 years ago

Don't understand please help

alex41 [277]

The answer is 42 bc 42-6 is 36

3 0

3 years ago

What is this proportion 3/4=16/x

andrew-mc [135]

Answer:

x = 21

Step-by-step explanation:

3x = 16 * 4 = 64

x = 64/3

x = 21

3 0

3 years ago