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Marianna [84]
3 years ago
12

A team of 4 people participated in a 400 yard relay race. Each team member runs the same distance. The team complete the race in

a total of 53.2 seconds. What is the average running time for each person ?
Mathematics
1 answer:
erica [24]3 years ago
8 0

Answer: 1.87969248 and so on

Step-by-step explanation:

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Find the x-intercepts of the parabola with vertex (1, -9) and y intercept at (0, -6).
MaRussiya [10]
Hello,

The equation of the parabola is
y=k(x-1)²-9
and -6=k(0-1)²-9==>k=3

x-intercepts is:
y=0==> 3(x-1)²-9=0==>(x-1)²=3
==> x=1+√3 or x=1-√3
7 0
3 years ago
what is (5b with an exponent of 2 times 2b with an exponent of 2 in parenthesis with an exponent of 2 on the outside
Sloan [31]

Answer:

100b^{8}

Step-by-step explanation:

5 0
3 years ago
Find an equation for the graph
Elanso [62]

Answer:

y=6^x+0.612 - 4

Step-by-step explanation:

x = -4 ---> horizontal asymptote

m = 6 ---> use points (0, -1) and (1, 5)

Parent function of the graph: y=b^x

Our equation: y=6^x

Add alterations:

  1. Reflections = N/A
  2. Vertical & horizontal shifts = down 4
  3. Vertical & horizontal stretches = left approx 0.612

Final equation: y=6^x+0.612 - 4


6 0
2 years ago
Which of the following statement is not a reason for sampling?
VladimirAG [237]

Answer:

Studying every single instance of a thing is impractical or too expensive

Step-by-step explanation:

With sampling we a have a lot of data without much effort.

3 0
3 years ago
Here's a graph of a linear function. Write the
madam [21]

The equation of the line in slope-intercept form is y = (1/2)x + 3 and the slope is 1/2.

<h3>What is a straight line?</h3>

A straight line is a combination of endless points joined on both sides of the point.

The slope 'm' of any straight line is given by:

\rm m =\dfrac{y_2-y_1}{x_2-x_1}\\

As we can see in the graph the line goes from (-6, 0) and (0, 3)

Finding the slope:

\rm m =\dfrac{3-0}{0-(-6)}\\

m = 3/6 = 1/2

y = mx + c

y = (1/2)x + c

c is the y-intercept

c = 3

The equation:

y = (1/2)x + 3

Thus, the equation of the line in slope-intercept form is y = (1/2)x + 3 and the slope is 1/2.

Learn more about the straight line here:

brainly.com/question/3493733

#SPJ1

5 0
2 years ago
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