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galina1969 [7]
2 years ago
5

Can someone help me with 2) and 3)

Mathematics
2 answers:
zzz [600]2 years ago
8 0
2) 15+12=27
3) 66/6=11
Marat540 [252]2 years ago
4 0
2: 15+12= 27
3: 66/6=11
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Write 4.4354 correct to 2 decimal places
Andreyy89
4.4354 rounded to 2 decimal places is 4.44

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3 years ago
Andre tried to solve the equation 1/4(x+12)=2 what was his mistake?
GarryVolchara [31]

Step-by-step explanation:

1. 1/4(x + 12)=2 - first isolate X'

         - 12 -12

2. 1/4(x) = -10  - 1/4  since its a fraction, you'll have to subtract not divide

-1/4    - 1/4

3. x = -10.25

Andre did the first step correctly, but on the second step he just divided 1.4 by -10, instead of subtract 1/4 from both sides.

8 0
3 years ago
A car travels 250 km east, then turns 25° south of east and goes 115 km. What is the resultant distance traveled?
Firlakuza [10]

Answer:

The distance traveled is 357.54km.

Step-by-step explanation:

The situation is illustrated in the figure attached.

From the law of cosines the distance d is given by

d^2 = (250km)^2+(115km)^2-2(250km)(115km)cos(155^o)

d^2 = 127837.698 km^2

\boxed{d = 357.54km}

4 0
3 years ago
Please help me with this!!
Sergeu [11.5K]

Answer:

yea

Step-by-step explanation:

3 0
3 years ago
I really need math help.
fenix001 [56]

When you see the 'line' is increasing starting from 0 to 2 hours, this indicates that the person on the graph is riding up a hill. This is known as positive acceleration or constant positive acceleration.

Where you see the 'line' stays the same 2 to 5 hours, this can indicate that the bike rider is doing one or two things. One thing the biker could be doing is taking a rest, and the other could be that the biker is riding at a leveled ground. This could be known as having constant velocity or zero acceleration.

Finally, where the 'line' is decreasing from 5 to 6 hours, this can indicate that biker is riding, possibly, down a hill. This is known as negative acceleration.

And of course, when the 'line' is going up again from 6 to 7 hours, this indicates that the biker is riding up a hill or increasing his speed. This is known as positive acceleration or constant positive acceleration.

•

•

- Marlon Nunez

4 0
3 years ago
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