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mr Goodwill [35]
3 years ago
8

Number 4 the tables shows the time it took two athletes to run different races. Who ran faster? Athlete seconds meters. Ellen. 2

8. 200. Lindsay. 60. 400

Mathematics
2 answers:
otez555 [7]3 years ago
8 0

Answer:

Step-by-step explanation:

Alex787 [66]3 years ago
5 0

Answer:

ellen ran faster

Step-by-step explanation:you take the meters ran and devide the number by an amount that would make both the meters ran the same in this case its 400 devided by 2 to give you 200 and because lindsays metres were divided then that means that you devide her time by the amount that you used to devide the metres meaning you devide her time by 2 sixty devided by 2 gives you thirty with ellans 28 sec per 200 metres and lindsays 30 sec per 200 metres than that means that ellan got to 200 metres faster than lindsay.

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Which of the following graph represents the equation y-2=3(x-1)​
pshichka [43]

Answer with explanation:

To draw the graph of linear equation of the form

  y-a=m (x-b)

We will first write it in slope intercept form which is of the form

   \frac{x}{a}+\frac{y}{b}=1\\\\\rightarrow y-2=3 \times (x-1)\\\\\rightarrow y-2=3 x-3\\\\\rightarrow 3 x-y=3-2\\\\\rightarrow 3 x-y=1\\\\\rightarrow \frac{x}{\frac{1}{3}}+\frac{y}{-1}=1

It will cut x axis and y axis at , (\frac{1}{3},0) \text{and} (0,1) respectively.

As Euclid postulate States that, Unique equation of line can be Determined by two points,So join these two points.And Infinite number of points lie on a line.

Graph B

6 0
3 years ago
You are searching for two integers. The sum of twice the first integer and three times the second integer is nine. At the same t
devlian [24]

Answer:  -3 and 5

<u>Step-by-step explanation:</u>

Let x represent the 1st digit and y represent the 2nd digit. Then,

Eq 1: 2x + 3y = 9   →    3(2x + 3y = 9)     →     6x + 9y = 27

Eq 2: 3x + 2y = 1   →   -2(3x + 2y = 1)     →     <u>-6x - 4y =  -2</u>

                                                                              5y = 25

                                                                                y =  5

Substitute y = 5 into either of the original equations to solve for x:

2x + 3y = 9

2x + 3(5) = 9

2x + 15 = 9

2x        = -6

 x        = -3

Check (using the other original equation):

3x + 2y = 1

3(-3) + 2(5) = 1

-9    +  10   = 1

        -1       = 1  \checkmark

4 0
3 years ago
Solve for the zeros of the quadratic function f(x) = 9x² + 6x + 1.
Nezavi [6.7K]

Answer:

\large\boxed{x=-\dfrac{1}{3}}

Step-by-step explanation:

f(x)=9x^2+6x+1\\\\\text{The zeros are for}\ f(x)=0\\\\9x^2+6x+1=0\\\\9x^2+3x+3x+1=0\\\\3x(3x+1)+1(3x+1)=0\\\\(3x+1)(3x+1)=0\\\\(3x+1)^2=0\iff3x+1=0\qquad\text{subtract 1 from both sides}\\\\3x=-1\qquad\text{divide both sides by 3}\\\\x=-\dfrac{1}{3}

8 0
3 years ago
I need help with this question plz
nydimaria [60]

Answer:

the answer is b

Step-by-step explanation:

the line crosses the y-intercept at 4 which is the intercept and the slope is 3/1 which is 3

3 0
3 years ago
Read 2 more answers
Pleaseee help with this question!!
Grace [21]
Answer: angle JKG= 26
8 0
3 years ago
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