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densk [106]
3 years ago
15

the velocity of a car changes from 20 m/s east to 5 m/s east in 5 seconds what's the acceleration of the car

Mathematics
1 answer:
muminat3 years ago
7 0
To solve this remember a=change in v/t, assuming the direction for the velocity, is + positive east. You can calculate it simply by this. A=v/t= A=5-20/5= A=-15/5= A=-3m/s squared. Change in velocity= vf-vi.
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Given h(x) = x^2-4/2, find h(-8)
vlada-n [284]

Answer:

62

Step-by-step explanation:

(-8)^2-2

64-2 = 62

7 0
3 years ago
Round the number to the place value given. 1,370,945 rounded to the ten-thousand is.
Monica [59]

Explanation:

The question requires that we round the given number to Ten-thousand

To do so, we will have to write the place values of the numbers first

Next, we find the digits before the Ten-thousand digits and then approximate the value

One of the principles to use is that

numbers from 0 to 4 are rounded to 0

while numbers from 5 to 9 are rounded to 1

In our case, The thousand digit is 0, so we round down to 0, then we add to the Ten-thousand digits and convert each of the numbers before the Ten-thousand digits to 0

Thus, we will have

1,370,000

Hence, the answer is 1,370,000

7 0
1 year ago
Use the tables to determine which function will eventually exceed the other, and provide your reasoning.
Vadim26 [7]

Answer:

The answer is f(x) will eventually exceed g(x) because f(x) is an exponential function.

I just took the test and got it right.

Step-by-step explanation:

6 0
3 years ago
If you shift the linear parent function, f(x) = x, down 6 units, what is the
Tpy6a [65]

Answer:

f(x) = x - 6

Step-by-step explanation:

The original function would go through (0,0) since you shift the function down 6 units, it will go through (0,-6)

so, the equation of the line would be f(x) = x - 6

3 0
2 years ago
A bag contains 5 red cubes and 7 white cubes. Celinda will select one cube, put it in her pocket, and then select a second cube.
Len [333]
The number of ways of picking up a red cube out of 12 cubes are 5/12. Number of ways of picking up a second red cube is 4/11. 
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20 / 121 = .165 or .17

So the probability of Celinda getting two red cubes is .17.</span>
4 0
2 years ago
Read 2 more answers
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