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Veronika [31]
2 years ago
8

1.What is the X-axis on a coordinate plane?

Mathematics
1 answer:
igomit [66]2 years ago
5 0

Answer:

1. The horizontal axis in the coordinate plane is called the x-axis. ( The straight across one)

2. The vertical axis is called the y-axis( Up and down )

3.  Ordered pair usually refers to a set of two numbers used to locate a point in a coordinate plane.

Step-by-step explanation:

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A box contains 5 red balls, 6 white balls and 9 black balls. Two balls are drawn at
valina [46]

Answer:

P(Same)=\frac{61}{190}

Step-by-step explanation:

Given

Red = 5

White = 6

Black = 9

Required

The probability of selecting 2 same colors when the first is not replaced

The total number of ball is:

Total = 5 + 6 + 9

Total = 20

This is calculated as:

P(Same)=P(Red\ and\ Red) + P(White\ and\ White) + P(Black\ and\ Black)

So, we have:

P(Same)=\frac{n(Red)}{Total} * \frac{n(Red) - 1}{Total - 1} + \frac{n(White)}{Total} * \frac{n(White) - 1}{Total - 1}  + \frac{n(Black)}{Total} * \frac{n(Black) - 1}{Total - 1}

<em>Note that: 1 is subtracted because it is a probability without replacement</em>

P(Same)=\frac{5}{20} * \frac{5 - 1}{20- 1} + \frac{6}{20} * \frac{6 - 1}{20- 1}  + \frac{9}{20} * \frac{9- 1}{20- 1}

P(Same)=\frac{5}{20} * \frac{4}{19} + \frac{6}{20} * \frac{5}{19}  + \frac{9}{20} * \frac{8}{19}

P(Same)=\frac{20}{380} + \frac{30}{380}  + \frac{72}{380}

P(Same)=\frac{20+30+72}{380}

P(Same)=\frac{122}{380}

P(Same)=\frac{61}{190}

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What is this for 2nd grade math. 247+?=673
icang [17]

Answer:

426

Step-by-step explanation:

Subtract 247 from 673 to get 426

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2 years ago
Eric drew a scale drawing of the high school. The parking lot, which is 54 meters wide in real l
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Answer:

9 meters

Step-by-step explanation:

54/6 = 9

8 0
2 years ago
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