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Maslowich
3 years ago
9

Help me with this plz

Mathematics
1 answer:
djyliett [7]3 years ago
7 0
Ok what do u need help with?

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A car is traveling in a race. The car went from the initial velocity of 35 m/s to the final velocity of 65m/s in 5 seconds what
artcher [175]

The acceleration is defined as the ratio between the change in velocity and the time elapsed to perform such a change.

These "changes" are indicated with the capital greek letter delta, \Delta, and when you write \Delta x you mean the difference between the finial and the inital values of the variable x:

\Delta x = x_{\text{fin}} - x_{\text{init}}

So, the acceleration is defined as

a = \dfrac{\Delta v}{\Delta t} = \dfrac{v_{\text{fin}} - v_{\text{init}}}{t_{\text{fin}} - t_{\text{init}}}

In this case, the initial velocity is 35, the final velocity is 65. Assuming we start the clock at the beginning of the observation, the inital time is 0 and the final time is 5. So, we have

a = \dfrac{65-35}{5-0} = \dfrac{30}{5} = 6m/s^2

3 0
3 years ago
Read 2 more answers
2÷8-x=24 how do I find answer
Law Incorporation [45]

Hello !

You have to do as follow :

2\div8-x=24\\0.25-x=24\\-x=24-0.25\\-x=23.75\\x=-23.75



4 0
3 years ago
Read 2 more answers
At the beginning of the year there were 25 students in our
Alborosie
The answer is a 12% increase. 
8 0
3 years ago
Какая фигура имеет ось симметрии и центр симетрий​
Zigmanuir [339]

Answer:

Проведите линию через форму, чтобы каждая сторона была зеркальным отражением. Когда фигура складывается пополам по оси симметрии, две половинки совпадают. На этой фотографии белая линия по центру представляет собой вертикальную ось симметрии.

Step-by-step explanation:

5 0
3 years ago
Percent error Please Help
san4es73 [151]

Answer:

2%

Step-by-step explanation:

Set up the problem with the numbers given to you

\frac{13.3 - 13.6}{13.6} x 100

-0.022058823529412 x 100

-2.205882352941176

Don't forget that it's absolute value and that you round to the nearest percent

2%

5 0
3 years ago
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