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3 years ago

Which of the statements about the x-axis are true?

1 answer:

3 0

The x axis is a horizontal line that intersects the y axis at the origin
in an ordered pair, x is the first number

I is true because they do intersect at the origin
II is false because x axis is horizontal
III is false because x is the first number
IV. is true because it is horizontal and it does pass through the origin

I and IV are true

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Write a proportion for the statement. 40 is to 10 as 32 is to 8.

Svetach [21]

Hi! ⋇

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All proportions have this form:

$\sf{\dfrac{a}{b}=\dfrac{c}{d}}$ , Where $\sf{\dfrac{a}{b}}$ is equal to $\sf{\dfrac{c}{d}}$ .

If $\sf{\dfrac{a}{b}\neq\dfrac{c}{d}}$ , it's not a proportion.

_________________________

Here we have two pairs of numbers:

40,10 and 32,8.

Written As a proportion, they look like :

$\sf{\dfrac{40}{10}=\dfrac{32}{8}}$

Hope this made sense to you :)

$\it{Calligrxphy}$

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2 years ago

What does πr² mean and how do I solve it

BlackZzzverrR [31]

U do the radios first then what ever your anwser is u multipy it by 3.14

6 0

3 years ago

Read 2 more answers

What is the variable y in w= x y/z?

AleksAgata [21]

Multiply by z to get
wz = xy
divide by x
y = wz/x

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3 years ago

Which of the following correlation coefficients represents the strongest relationship between two factors? A. –.15 B. –.80 C. +.

Lena [83]

Answer:

The strongest relation between the two factors is B.) -0.8

Step-by-step explanation:

The correlation coefficient typically varies from -1 to 1.

The value of -1 for the correlation coefficient denotes that the two variables are have a very strong negative correlation.

The value of +1 for the correlation coefficient denotes that the two variables are have a very strong negative correlation.

Therefore among the four options given of -0.15, -0.8, 0.38, 0.03 the strongest relation between two factors is given by -0.8 but as the '-' sign indicates the two factors are negatively correlated.

Negative correlation means that if one variable is high the other would be low.

Positive correlation means that if one variable is high then the other variable is also high and if one variable is low then the other is also low.

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3 years ago

How many sides has a regular polygon whose sum of interior angles is 540degrees

Svetllana [295]

It’s a pentagon (5 sides) . (n-2) x 180°. if you put it into the formula and do the reverse. 540 / 180 = 3
, 3+2 = 5

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3 years ago