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xxTIMURxx [149]
2 years ago
12

Speed = distance divided by time taken. car 1 travels 10 miles every 5 minutes. car 2 travels 30 miles every 20 minutes. what is

the difference of speed between these two cars in mph?
Mathematics
1 answer:
Setler [38]2 years ago
5 0
Car 1
2 miles............................1 minute
10 miles.........................5 minutes
20 miles.........................10 minutes
40 miles..........................20 minutes
car2
1.5 miles...........................1 minute
15miles.............................10 minutes
30 miles...........................20 minutes
the difference is 0.5 miles per minute

0.5*60=30 miles/hour
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Screenshot of the question
tamaranim1 [39]

9514 1404 393

Answer:

  x = 1, x = 7

Step-by-step explanation:

You can see from the graph that the x-intercepts of f(x) are ...

  0 = f(-3)

  0 = f(3)

To find the corresponding values of x for f(x-4), we can solve ...

  0 = f(x -4)

  x -4 = -3   ⇒   x = 1

  x -4 = 3   ⇒   x = 7

The x-intercepts of the function after translation 4 units right are ...

  x = 1, x = 7

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Your sketch will be the same curve moved 4 units to the right. (Add 4 to every x-value shown.)

3 0
2 years ago
Find the area of the figure round to the nearest tenth
disa [49]

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72.0

Step-by-step explanation:

7 0
2 years ago
Let f(x)=-6x+3 And g(x)=5x+4 Find F×G and state it's domain
a_sh-v [17]

Answer:b

Step-by-step explanation:

6 0
2 years ago
(½ point for model; ½ point for correct simplified expression)<br>(8x + 2) + (-9x + 7)
Alexxx [7]

Answer:

Simplified= −x+9

Step-by-step explanation:

5 0
2 years ago
V(x + 9)2 = + 25<br> If x + 9 = 5, then x =<br> If x + 9 = -5, then x =
ipn [44]

Answer:

x = -4, v = 2.5

x = -14, v = -2.5

Step-by-step explanation:

I am a bit confused with the beginning part of the question. From what I understand, you are trying to solve for x and then plug x into the top equation to find the value for V. I am sorry if that is not what you are looking for. If it is, look below!

x + 9 = 5

x = 5 -9

x = -4

v(x + 9)2 = 25

v(-4 + 9)2 = 25

v(5)2 = 25

v(10) = 25

v = 25/10

v = 2.5

x + 9 = -5

x = -5 -9

x = -14

v(x + 9)2 = 25

v(-14 + 9)2 = 25

v(-5)2 = 25

v(-10) = 25

v = 25/(-10)

v = -2.5

I hope this helped! If not, I am sorry. :(

4 0
3 years ago
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