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Mrac [35]
3 years ago
8

Please help due tomorrow!!!

Mathematics
1 answer:
blsea [12.9K]3 years ago
7 0
-17/12 want me to explain
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HELP<br><br>jusko ang hirap<br><br><br><br>❗NONSENSE = REPORTED❗​
irga5000 [103]

Answer:

1.A

2.B

3.A

4. D

5.C

Step-by-step explanation:

make me brainlest :>>

4 0
3 years ago
A ball is rolled at a velocity of 12m/sec.after 36 seconds,it comes to a stop what is the acceleration of the ball?
miv72 [106K]

acceleration of ball is \frac{-1}{3}\,\,m/sec^2

Step-by-step explanation:

Initial Velocity = 12m/sec

time = 36 s

Final Velocity 0 m/sec (ball comes to stop)

Acceleration= ?

The formula used to find acceleration is:

Acceleration=\frac{Final\,\,Velocity-Initial\,\,Velocity}{Time}

Putting values and finding acceleration:

Acceleration=\frac{Final\,\,Velocity-Initial\,\,Velocity}{Time}

Acceleration=\frac{0-12}{36}

Acceleration=\frac{-12}{36}

Acceleration=\frac{-1}{3}\,\,m/sec^2

So, acceleration of ball is \frac{-1}{3}\,\,m/sec^2

Keywords: Acceleration

Learn more about Acceleration at:

  • brainly.com/question/5424148
  • brainly.com/question/10764770

#learnwithBrainly

8 0
3 years ago
Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels 16 miles per hou
Verizon [17]
We'll use variables to represent the speeds of the eastbound and westbound trains.

x will represent the speed of the eastbound train.
y will represent the speed of the westbound train.

The eastbound train is 16 mph faster than the westbound train. An equation can be made from this:

x  - y = 16

Subtraction is used, because it represents the difference in distances between the two trains if they travel the same direction.

After 4 hours, the trains are 800 miles apart. An equation can be made from this:

4x + 4y = 800

Addition is used, because the trains are heading in opposite directions, which means their distances from the starting point are added together.

Set the two equations up vertically:

x - y = 16
4x + 4y = 800

We will use elimination to solve for x.

Multiply the entire first equation by 4 so that the coefficients for y will be opposite numbers:

(x - y = 16) \times 4 = 4x - 4y = 64

4x - 4y = 64
4x + 4y = 800

Combine the two equations together to cancel out y:

8x = 864

Divide both sides by 8 to get x by itself:

x = 108

The speed of the eastbound train is 108 mph.
5 0
3 years ago
Help. Also, how do you give Brainliest?
lawyer [7]

Okay so basically when two people answer your questions it should give you the option to give brainliest otherwise sometimes it takes a few days to give it to someone. And for your question does it give any number options.?

Edit: f(-1)= 1 then f(1)= -10.

4 0
3 years ago
Read 2 more answers
Anna baked 3 batches of cookies with c cookies in each batch. She then ate 8 cookies! How many cookies does Anna have left? Writ
borishaifa [10]

Answer:

3c-8

Step-by-step explanation:

Let

c-------> the number of cookies in each batch

we know that

To find the total number of cookies, multiply the number of batches by the  number of cookies in each batch

so

3c ------> equation that represent the total number of cookies

If Anna ate 8 cookies

then

The expression to know how many cookies Anna has left is equal to

3c-8

8 0
3 years ago
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