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2 years ago

6

During a sale, a clothing store discounts all prices by the same percentage. A pair of jeans is marked down from $45.00 to $33.7

5.

2 answers:

Alex17521 [72]2 years ago

7 0

The answer is D because 45.00 - 33.75 = 11.25. Then you do 65.00 - 11.25 = 53.75

Rina8888 [55]2 years ago

3 0

I think the answer is c

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If x and (19x+30) are the measures of complementary angles, what is the measure of each angle?

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Answer:

3° and 87°

Step-by-step explanation:

<em>here's</em><em> your</em><em> </em><em>solution</em>

<em> </em><em>=</em><em>></em><em> </em> we know that measure of complementary angle is 90°

=>. one angle is. = x

=> other angle is .= (19x + 30)

=> so, x + 19x + 30° = 90°

=> 20x + 30° = 90°

=> 20x = 60°

=> x = 60/20

=> x = 3°

hence one angle is 3° and other is 87°

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Using suitable identity find 231^222-131^2

Sliva [168]

Given:

Consider the expression is

$231^2-131^2$

To find:

The value of given expression using a suitable identity.

Solution:

We have,

$231^2-131^2$

Using the identity $a^2-b^2=(a-b)(a+b)$ , we get

$231^2-131^2=(231-131)(231+131)$

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