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Over [174]
2 years ago
14

7) Which statement about perpendicular lines is true?

Mathematics
2 answers:
OLEGan [10]2 years ago
6 0
A. Perpendicular lines form 90 degree angles
agasfer [191]2 years ago
3 0

Answer:

is the a. Perpendicular lines form 90° angles.

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14

Step-by-step explanation:

its an formula which comes in algebraic expression

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3 years ago
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Expand the following:<br> a) 3(x + 5)<br> b) 4(x-4)<br> c) 2(5x + 1)<br> d) 7(x-9y)
Tema [17]

Answer:

<h3>a. 3x+15</h3><h3>b. 4x-16</h3><h3>c. 10x+2</h3><h3>D. 7x-63y</h3>

solution,

a. \: 3(x + 5) \\  \:  \:  = 3 \times x + 3  \times 5 \\  \:  \:  = 3x + 15

b. \: 4(x - 4) \\  \:  \:  = 4 \times x - 4 \times 4 \\  \:  \:  = 4x - 16

c. \: 2(5x + 1) \\  \:  = 2 \times 5x + 2 \times 1 \\  \:  \:  = 10x + 2

d . \: 7(x - 9y) \\  \:  = 7 \times x - 7 \times 9y \\  \:  \:  = 7x - 63y

Hope this helps..

Good luck on your assignment..

8 0
4 years ago
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Jlenok [28]

Answer:

The correct definition of statistics is

B. Statistics is the science of collecting, organizing, summarizing, and analyzing information to draw a conclusion and answer questions. In addition, statistics is about providing a measure of confidence in any conclusions.

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Statistics is the science of collecting, organizing, summarizing, and analyzing the information and based on this information a conclusion is drawn about the collected information. There are two main divisions of statistics:

1. Descriptive statistics: It deals with providing the summary about the information collected.

2. Inferential statistics: This division deals with using a sample from the population and drawing the conclusion about the population using the sample. It also includes providing a measure of confidence in any conclusions.


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What other information do you need in order to prove the triangles congruent using the SAS Congruence Postulate?
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3 years ago
Jill just made a purchase online. The store that she bought from gave her the option to pay with a check, money order, or credit
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The credit card is instant. She’d have to ship the money order and the check to the supplier.
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