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stira [4]
3 years ago
10

a car traveling at 12/s slows down at a constant rate for 4 seconds until it stops. what is its acceleration​

Mathematics
1 answer:
Mila [183]3 years ago
5 0

Answer:

-3 units / s/s.

Step-by-step explanation:

Acceleration = change of velocity / time

= 0 - 12 / 4

= -3 units /s/s.

Note: negative acceleration = deceleration.

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If 5-3(2a+1)=-4+10, what is the value of a+2​
givi [52]

\\ \rm\Rrightarrow 5-3(2a+1)=-4+10

\\ \rm\Rrightarrow 5-6a-3=6

\\ \rm\Rrightarrow -6a+2=6

\\ \rm\Rrightarrow -6a=6-2

\\ \rm\Rrightarrow -6a=4

\\ \rm\Rrightarrow a=\dfrac{4}{-6}

\\ \rm\Rrightarrow a=\dfrac{2}{-3}

Now

\\ \rm\Rrightarrow a+2

\\ \rm\Rrightarrow \dfrac{2}{-3}+2

\\ \rm\Rrightarrow \dfrac{2-6}{-3}

\\ \rm\Rrightarrow \dfrac{-4}{-3}

\\ \rm\Rrightarrow \dfrac{4}{3}

7 0
2 years ago
Read 2 more answers
PLEASE HELP FAST!! <br>28. Find the value of x In the figure below. Show your work. ​
IceJOKER [234]

Answer:

62

Step-by-step explanation:

its 62

4 0
2 years ago
1. Which of the following equations would NOT contain the point (4,12)?
vodka [1.7K]

Answer:

the answer is b hope this helps :)

6 0
2 years ago
What is 4/17 as a decimal
Stells [14]
<span><span>Step 1: Find a number you can multiply by the bottom of the fraction to make it 10, or 100, or 1000, or any 1 followed by 0s.

</span><span>Step 2: Multiply both top and bottom by that number.

</span><span>Step 3.Then write down just the top number, putting the decimal point in the correct spot (one space from the right hand side for every zero in the bottom number)</span></span><span> 

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6 0
2 years ago
A line passes through (8,2) and (11,-13) write the equation of thr line in standerd form
docker41 [41]

Answer:

Step-by-step explanation:

(8,2),(11,-13)

slope(m) = (-13 - 2) / (11 - 8) = -15/3 = -5

y = mx + b

slope(m) = -5

(8,2)...x = 8 and y = 2

now we sub and find b, the y int

2 = -5(8) + b

2 = -40 + b

2 + 40 = b

42 = b

so ur equation is : y = -5x + 42...now we need it in standard form

Ax + By = C

y = -5x  42

5x + y = 42 <====

8 0
3 years ago
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