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bagirrra123 [75]
3 years ago
13

Heidi is training for a marathon. her training started at 5km and increased by 1.5km every week.

Mathematics
1 answer:
Zigmanuir [339]3 years ago
3 0
22222443kmggggghhhhhuuuu
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Given the linear function of 3x-7y=14, determine the ordered pair where the line crosses the y axis. Remember to write your answ
mrs_skeptik [129]

Answer:

(0, -2)

Step-by-step explanation:

The equation of y axis is x = 0. So, the y intercept is located at point (0, b). Therefore we can substitute 0 into x in the given equation to find b and hence the coordinates of the y intercept.

3x - 7y = 14

3*0 - 7y = 14

-7y = 14

y = -2

6 0
1 year ago
will brought 3 college textbooks one cost 32 on 45 and one cost 39 what is the average price of his books ? choose the statement
777dan777 [17]

To find the average, add the cost of each book to get a total cost, then divide the total cost by the number of books purchased.


Total cost: 32 + 45 + 39 = 116


Average cost: 116 / 3 = 38.67

4 0
3 years ago
There are 3 urns A, B and C each containing a total of 10 marbles of which 2, 7 and 4 respectively are red. One of the urns is s
sleet_krkn [62]
<h3>Answer:  7/13</h3>

======================================================

Explanation:

We know that the marble selected is red, so we don't need to focus on the other colors.

7 red marbles are in urn B out of 2+7+4 = 13 total red marbles.

The probability the red marble came from urn B is therefore 7/13

5 0
3 years ago
Help with #17 please
ohaa [14]
2 evens is an positive
1 odd,1 even is a odd
2 odd is an ofd
8 0
3 years ago
Ce no
xenn [34]

Answer:

The height of the seat at point B above the ground is approximately 218.5 feet

Step-by-step explanation:

The given parameters are;

The radius of the Ferris wheel, r = 125 feet

The angle between each seat, θ = 36°

The height of the Ferris wheel above the ground = 20 feet

Therefore, we have;

The height of the midline, D = The height of the Ferris wheel above the ground + The radius of the Ferris wheel

∴ The height of the midline = 20 feet + 125 feet = 145 feet

The height of the seat at point B above the ground, h = r × sin(θ) + D

By substitution, we have;

h = 125 × sin(36°) + 145 ≈ 218.5 (The answer is rounded to the nearest tenth)

The height of the seat at point B above the ground, h ≈ 218.5 feet.

8 0
2 years ago
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