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mixer [17]
2 years ago
11

8. Simplify (+2) × (+6) (-3)​

Mathematics
1 answer:
sasho [114]2 years ago
6 0

Step-by-step explanation:

= ( +2 ) × ( + 6 ) ( -3 )

= + 12 (- 3 )

=  - 36

hence - 36 is the answer...

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A car driving on a straight track accelerates at a rate of 3.2 m/s2 for 14 s. If the initial velocity of the car was 5.1 m/s, an
liraira [26]

Answer:

The data we have is:

The acceleration is 3.2 m/s^2 for 14 seconds

Initial velocity = 5.1 m/s

initial position = 0m

Then:

A(t) = 3.2m/s^2

To have the velocity, we integrate over time, and the constant of integration will be equal to the initial velocity.

V(t) = (3.2m/s^2)*t + 5.1 m/s

To have the position equation, we integrate again over time, and now the constant of integration will be the initial position (that is zero)

P(t) = (1/2)*(3.2 m/s^2)*t^2 + 5.1m/s*t

Now, the final position refers to the position when the car stops accelerating, this is at t = 14s.

P(14s) =   (1/2)*(3.2 m/s^2)*(14s)^2 + 5.1m/s*14s = 385m

So the final position is 385 meters ahead the initial position.

6 0
3 years ago
Every month, $60 is withdrawn from Tom's savings account to pay for his gym membership. He has enough savings to withdraw no mor
IrinaVladis [17]

Answer: 9 month

Step-by-step explanation:

1. 35x < 315 = let x be the number of month

2. x < 9  = divide both sides by 35

result. 9 month

7 0
3 years ago
A circular chicken house has an area of 40m². What length of chicken wire is required to fence the house without any wire left o
Lyrx [107]
Good bless you brother I wish I can help you
8 0
3 years ago
Please help ASAP Very easy !!!!
marta [7]

Answer:

Brainleist is to be given to me!

Step-by-step explanation:

-2/3

its between -1 and 0 but is closer to -1

the only choises are -1/3 and -2/3 but its closer to -1 so it must be -2/3

5 0
3 years ago
In the typing world,80 words per minute is considered acceptable.how many words per 30 minutes is this
lukranit [14]
W = words per minute = 80
t = time in minutes = 30

The total number of words per 30 minutes is w*t = 80*30 = 2400 words
8 0
3 years ago
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