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3 years ago

7

Which sale gives the greatest percent discount? 1) Take 25% off, 2) original price reduced by 30%, 3) on sale at 60% of the orig

inal price, 4) it depends on the original price.

2 answers:

olchik [2.2K]3 years ago

8 0

Answer: The answer to this question is 4

Step-by-step explanation:

AveGali [126]3 years ago

6 0

Answer:

4

Step-by-step explanation:

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X=90 degrees you can get the answer by adding up all the angles

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3 years ago

What is the measure for the following ∠?<br><br> m∠BOX<br><br> 20<br> 40<br> 60

Daniel [21]

Answer:

40

Step-by-step explanation:

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3 years ago

A function is given: f (x) = 2x + 3<br> What is the value of f(-2)?

Nadusha1986 [10]

Answer:

f(-2) = -1

Step-by-step explanation:

-2 is x, so replace x as -2 into the equation

f (-2) = 2(-2) + 3

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3 years ago

Rob has a collection of 800 baseball cards. 30% of the cards feature pitchers. 42% of the cards feature infielders. The remainin

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2 years ago

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

2 years ago