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blsea [12.9K]
3 years ago
8

Help me out please? tysmm

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
6 0

Answer: b

Step-by-step explanation:

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If you bike for 60 kilometers at 30 kilometers per hour and return at 20 kilometers per hour, what is the average speed for the
matrenka [14]
V1=30km/hr
v2=20km/hr
v=2v1v2/(v1+v2)
   =2*30*20/(30+20)
   =24km/hr
8 0
3 years ago
A school survey reported that 16.% of the students in Zed's homeroom class ride their bikes to school. This percent represents a
Lilit [14]

Answer:

16 3/5

Step-by-step explanation:

thank divinesworldtv they have the right answer

7 0
3 years ago
Cleo wants to jion a gym. There is an initiation fee of $24.99, and each month of membership costs $12.50. If Cleo pays $174.99,
mamaluj [8]

Answer: The membership will last for 12 months.

Step-by-step explanation:

Let x represent the number of months that the membership would last.

Cleo wants to join a gym. There is an initiation fee of $24.99, and each month of membership costs $12.50. This means that the total cost of using the gym for x months would be expressed as

12.5x + 24.99

If Cleo pays $174.99, it means that

12.5x + 24.99 = 174.99

12.5x = 174.99 - 24.99

12.5x = 150

x = 150/12.5

x = 12

6 0
3 years ago
If f(x) = 2x-4 and g(x) = x2 - 4x, find g(-4) And the (x2 - 4x) the 2 is a exponent
Luden [163]

Evaluate the given function in x=-4.

This is, replace the x in the function for -4 and find the value of g(-4).

\begin{gathered} g(x)=x^2-4x \\ g(-4)=(-4)^2-4(-4) \\ g(-4)=16+16 \\ g(-4)=32 \end{gathered}

The value of g(-4) is 32.

5 0
1 year ago
Gina Wilson unit 3: homework 6: Slope intercept form and standard form HELP
Goshia [24]

Answer:

1.) 2x-y=-7 --> y=2x + 7

2.) 5x+3y=12 --> y= -5/3x + 4

3.) x-y=1 --> y= x- 1

4.) x-3y=-15 --> y=1/3x + 5

5.) 8x-10y=20 --> y=4/5x - 2

6.) 14x+6y=36 --> y=-7/3x+6

Step-by-step explanation:

Hope this helped.

8 0
2 years ago
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