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Brrunno [24]
3 years ago
5

What is the average for a half marathon time on a 35 year old man?

Mathematics
1 answer:
nevsk [136]3 years ago
4 0
Average time for a 35 year old man to run half a marathon is 9:50:38
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What is an equation of the line that passes through the points (0,3) and (5,−3)? Put your answer in fully reduced form.
Vinil7 [7]
Using the "gradient, two-point form", we have:
\frac{y - y1}{x - x1} = \frac{y2 - y1}{x2 - x1}
From the given data, we have that
y2 = - 3 \\ y1 = 3 \\ x2 = 5 \\ x1 = 0
Therefore, substitute in the given values:
We have that:
\frac{y - (3)}{x - (0)} = \frac{( - 3) - (3)}{(5) - (0)}
Simplify further
\frac{y - 3}{x} = \frac{ - 6}{5}
Multiply both sides by the LCM, 5x:
5x( \frac{y - 3}{ x} ) = 5x( \frac{ - 6}{5} )
Simplify:
5( y - 3) = x( - 6)
5y - 15 = - 6x
Note that the equation of a straight line is given by Ax + By = C where A and B are coefficients of x and y respectively. C is the constant. Hence:
6x+5y=15
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The perimeter of a triangle is 40 inches. Twice the length of the longest side minus the length of the shorted side in 30 inches
nexus9112 [7]

Answer:

Step-by-step explanation:

5 0
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Write the equation in standard form for the circle with center (-5,8) and radius 4
Anon25 [30]

Answer:

(x+5)^2+(y-8)^2=4^2

Step-by-step explanation:

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8 0
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On a team 5 girls and 2 boys scored a total of 41 points. The difference between the number of points scored by the 5 girls and
kolbaska11 [484]

Step-by-step explanation:

Let x be the number of points the 5 girls scored.

=> 41 - x is the number of points the 2 boys scored.

We have x + 29 = 41 - x or x - 29 = 41 - x.

=> 2x = 12 or 2x = 70

=> x = 6 or x = 35

We reject x = 6 as 6 is not a multiple of 5. (Each girl would have scored 1.2 points which is absurb)

So x = 35, each girl scored 35/5 = 7 points.

=> 41 - (35) = 6, each boy scored 6/2 = 3 points.

6 0
3 years ago
Write an equation of the line that passes through the given points in any form.
GrogVix [38]

Answer:

y=2/3x+1

Step-by-step explanation:

because its slope is 2/3, and its y intercept is 1, (0,1)

7 0
3 years ago
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