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Arlecino [84]
4 years ago
9

Which is the best description for the lines i and k?

Mathematics
2 answers:
Alborosie4 years ago
5 0

Choice D, perpendicular is when the slopes are inverted to each other such as 1/2 and -2/1

MariettaO [177]4 years ago
4 0

Answer:

D

Step-by-step explanation:

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How to end behavior​
andreev551 [17]

Answer:

stop and think to your self about what you are doing and walk away form the problem

Step-by-step explanation:

it really dose help

6 0
3 years ago
Which of the following is NOT a possible value for the correlation coefficient? 1) negative 0.9 2) zero 3) positive 0.15 4) posi
AnnyKZ [126]

Answer:

4) positive 1.05

Step-by-step explanation:

<u>Correlation:-</u>

Correlation is a statistical measure that indicates the extent to which two or more variables fluctuate together.

Examples:i)  The yield of a crop varies with the amount of rainfall

                 ii) The price of a commodity increases with the reduction in its supply and so on.

  That is  when the changes in one variable are associated or followed by changes in the other, is called <u>correlatio</u><u>n</u>

<u>positive correlation</u>:- If an increase (or decrease ) in the values of one variable corresponds to an increase(or decrease ) in the other, then correlation is said to be <u>positive.</u>

<u>negative correlation</u>:- If an increase (or decrease ) in the values of one variable corresponds to an decrease(or increase ) in the other, then correlation is said to be <u>negative</u>.

<u>no correlation:-</u>

If there is no relationship indicated between the variables,they are said to be independent or uncorrelated.

<u>uses of correlation</u>:-it is used in presenting the average relationship between any two variables through a single value of co-efficient of correlation. correlation is a statistical technique that can show whether and how strongly pairs of variables are related.

The range of correlation is -1\leq r\leq 1

r=-1 is the negative correlation

r=1 is the positive correlation

so the answer is not a possible value for the correlation coefficient is positive 1.05.

4 0
3 years ago
Sandra Wants to buy a new MP3 Player that is on sale for $95. She has saved $73. How much more money does she need?
Vikki [24]
95-73= 22
she needs $22 
3 0
4 years ago
PLEASE SIMPLIFY THESE
Pavel [41]

Answer:

a. 0.69x + 0.14

b. 5.67 - 30.48a

c. 1.1x - 3.01y

Step-by-step explanation:

a) 2.56x + 0.14 − 1.87x

<em>To simplify this algebraic expression, you start by collecting like terms;</em>

2.56x − 1.87x  + 0.14

<em>Then perform arithmetic operation</em>

0.69x + 0.14

b) 7.32a + 2.1 (2.7 − 18a)

<em>Here; first, the bracket must be opened</em>

<em>To open the bracket; each expression in the bracket is multiplied by 2.1. This leaves us with</em>

7.32a + 2.1 * 2.7 − 2.1 * 18a

7.32a + 5.67 - 37.8a

<em>Then, you collect like terms</em>

7.32a - 37.8a + 5.67

<em>Then perform arithmetic operation</em>

-30.48a + 5.67

<em>Rearrange</em>

5.67 - 30.48a

c) 0.12x + 0.34y + 0.98x − 3.35y

<em>Here, you start by collecting like terms</em>

0.12x + 0.98x + 0.34y − 3.35y

<em>Then perform arithmetic operation</em>

1.1x - 3.01y

7 0
3 years ago
I'm so confused on number 6 plz help
kakasveta [241]
The answer to your question is 6 2/3
4 0
3 years ago
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