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3 years ago

What is 9+6(2^2+4) and why?

Mathematics

2 answers:

Norma-Jean [14]3 years ago

7 0

Answer:

Step-by-step explanation: First step you need to get rid of the parentheses.

So first solve what in side the(). Then distribute the 6 into the parentheses.

9+6(4+4)=

9+6(8)=

9+48= 57

Dmitry [639]3 years ago

5 0

Answer:

first : (2^2+4)=(4+4)=8

second : 9+6×8=57

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A _____ is a rule that assigns each value of the independent variable to exactly one value of the dependent variable.

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A <em>function </em>is a rule that assigns each vale of the independent variable to exactly one vale of the dependent variable.

The missing word is the function.

Point to remember:

The definition says that two values of x(independent variable ) may correspond to one value of y(dependent variable) but the vice versa is not true( means two values of y(dependent variable ) does not correspond to one value of x(independent variable) ). This explanation is very powerful tool to check that whether a relation is a function or not.

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A distribution with a shape that is symmetrical around the mean with a "bell" shape is described as

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a 'normal distribution' - gives a bell shape

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Write the equation of each line using the given information.

Scorpion4ik [409]

The equations are: A :y= -5x +11.5 B: y=4x+3 C.y=1 and D : y=4

Step-by-step explanation:

You can write the equations of the lines in the slope intercept form, y=mx+c where m is the slope of the line, and c is the y-intercept value of the line.

The points ( 2 , 1 . 5 ) and ( − 5 , 36 . 5 ) both lie on the line.

finding the slope of the line using the points

slope, m=rise/run

rise=Δy=36.5-1.5=35

run=Δx=-5-2= -7

m= Δy/Δx= 35/-7 =-5

Equation of a the line, with m=-5 and point (2,1.5) in slope intercept form will be;

m=Δy/Δx = -5 =y-1.5/x-2

-5(x-2) = y-1.5

-5x+10=y-1.5

-5x+10+1.5=y

⇒⇒y= -5x +11.5 ------------ the equation of the line

The slope m is given as 4 and point (3,15)

m=rise/run

m=Δy/Δx

4=y-15/x-3

4(x-3)= y-15

4x-12 = y-15

4x-12+15=y

4x+3=y

⇒⇒y=4x+3 -------------------the equation of the line in slope-intercept form

The equation given is y=1, which is a horizontal line with y-intercept value as 1

The slope here is 0

Given points (3,-1) and m=0

m=Δy/Δx

0=y--1/x-3

0=y+1/x-3

0(x-3)=y+1

0=y+1

⇒⇒equation of line will be y=1

Given slope of line as m=2, and the y-intercept at (0,4) then the equation will be

m=Δy/Δx

2=y-4/x-0

2(x-0)=y-4

0=y-4

y=4 ⇒⇒⇒⇒the equation of the line

Learn More

Equation of a line : brainly.com/question/8865631

Keyword : equation, line, points

#LearnwithBrainly

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3 years ago

A study about commuting time for workers in a certain city. The distribution is clustered on the left with most of the values le

liq [111]

Answer:

Following are the solution to this question:

Step-by-step explanation:

Its laborer's journey through time was concentrated mostly on left as well as the amounts are mostly less than 4 min. There are quite a lot of significantly higher levels, even stretching to 150 min. A hypothetical worker is 15% likely to get a time difference longer than 45 min.

They learn from such data that perhaps the distribution of data takes a very long time. Thus the distribution will look like an's progressive.
Its probability is positive. Therefore some severe finding beyond the regular standards is included. The mean of findings is also higher than the mean.
Its problem would be that 15% of people are more likely to have been traveling more than 45 min in a specific worker.
Subsequently, the 85th level of the data is 45 minutes, meaning whether 85% of observations are decreased or equivalent to 45 minutes or 15% more than 45 minutes.

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