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Sophie [7]
3 years ago
9

Janes jogging speed is 5 kilometers per hour. What is her speed in meters per second?

Mathematics
2 answers:
Mama L [17]3 years ago
5 0
5*5/18
25/18
= 1.38 mps
bagirrra123 [75]3 years ago
4 0

Answer:

1.3888888888889 mps

Step-by-step explanation:

1 kph = 0.27777777777778 mps, so just multiply that by 5.

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Solve by substitution. 5x + 4y = -14 y = -7x - 15
ki77a [65]

Answer:

(-2,-1)

Step-by-step explanation:

5 0
3 years ago
The graph represents the data cost for monthly internet service for a cell phone. Which function, C(x), respresent the monthly c
Tanya [424]

Answer:

Correct option: first one

Step-by-step explanation:

The graph has 3 different parts:

Cost = 15 when the Gigabytes used is lesser than or equal 2,

Cost from 20 to 40 when the Gigabytes used is greater than 2 and lesser than or equal 6.

An increase of 4 gigabytes caused an increase of 20 in the cost, so the slope is 20/4 = 5, and the y-intercept is:

20 = 5*2 + b -> b = 10

Cost = 50 when the Gigabytes used is greater than 6.

So the correct option is the first one

3 0
3 years ago
Math please help with math​
jolli1 [7]
The lines would intercept at -4,-2. I hope this helps. Sorry I was a bit confused because Thee wasn’t a question.
3 0
2 years ago
Anyone know how to answer this question
mart [117]

9514 1404 393

Answer:

  (x +6)^2 +(y -10)^2 = 225

Step-by-step explanation:

The standard form equation for a circle is ...

  (x -h)^2 + (y -k)^2 = r^2

where the center is (h, k) and the radius is r.

The center of a circle is the midpoint of any diameter. The midpoint between two points is the average of their coordinates.

  ((-15, -2) +(3, 22))/2 = (-15+3, -2+22)/2 = (-6, 10)

The radius can be found using the distance formula, or by simply putting one of the given points in the equation for the circle to see what the constant (r^2) needs to be.

  (x -(-6))^2 +(y -10)^2 = (-15-(-6))^2 +(-2-10)^2

  (x +6)^2 +(y -10)^2 = 81 +144 = 225

The equation of the circle is ...

  (x +6)^2 +(y -10)^2 = 225

5 0
3 years ago
20. Solve the equation x2 - 17x + 72 = 0.
Rina8888 [55]

Answer:

x=8,9

Step-by-step explanation:

x^2-17x+72=0

(x-8)(x-9)=0

x=8,9

3 0
3 years ago
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