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3 years ago

What is another word for mean?

Mathematics

2 answers:

Rus_ich [418]3 years ago

6 0

Answer: ____Average__

Maslowich3 years ago

4 0

Answer:

Other words for mean are cruel, rude, unkind, nasty, and unpleasant.

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If a body moves in a straight line according to the law s = 24t + 3t^2 - t^3, where s is the distance measured in meters from th

Anastasy [175]

As the comments state, the velocity is the derivative of the position.

Therefore, the velocity as function of time is:

ds / dt = 24 + 6t - 3t^2.

That is a parabola whose maximum is (1,27). With that you know that the velocity will never be either 63 m/s or 81 m/s.

Also, you know that the velocity at t = 1 s is 27 m/s.

And, you can also find that the velocity at t = 3 is 15 m/s.

I am confident on that this analysis solves your question. Else, insert a comment.

4 0

3 years ago

Original price of a CD is $17.50 discount is 50%

ladessa [460]

Answer:

$8.75

Step-by-step explanation:

To calculate this you could use two methods. The first method is to find out what 10% is and multiply it by 5. The second method is to calculate 50% using the formula.

Method 1:

To work this out you would simply divide 17.50 by 10, which is 1.75. This is because percentages are out of 100 and so by dividing by 10 we are finding out what 10% is. Then you would multiply 1.75 by 5, which is 8.75. Then you would minus 8.75 from 17.50, which is 8.75.

1) Divide 17.50 by 10.

$17.50/10=1.75$

2) Multiply 1.75 by 5.

$1.75*5=8.75$

3) Minus 8.75 from 17.50.

$17.50-8.75=8.75$

4) The new price is $8.75

Method 2:

The formula for percentages is.

$\frac{percentage}{100} * amount$

To work this out you would first divide 50 by 100, which gives you 0.5. Then you would multiply 0.5 by 17.50, which is 8.75. Then you would minus 8.75 from 17.50, which is 8.75.

1) Divide 50 by 100.

$50/100=0.5$

2) Multiply 0.5 by 17.50.

$17.50*0.5=8.75$

3) Minus 8.75 from 17.50.

$17.50-8.75=8.75$

4) The new price is $8.75.

7 0

3 years ago

(-4s+9) + (4s-6) simplify

andrew11 [14]

Step-by-step explanation:

$= ( - 4s + 9) + (4s - 6)$

$= - 4s + 9 + 4s - 6$

$= - 4s + 4s +9 - 6$

Now subtract.....

$= \boxed{\sf{3}}$

hence the answer is 3 ....

hope it helped !!!!

6 0

2 years ago

How do I get the answer to this problem

Licemer1 [7]

Answer:

Link to the answer

Rtymath/heo

3 0

3 years ago

I have a pile of 20 coins that includes dimes and quarters. The coins total is $2.75. How many quarters do I have?

Ilia_Sergeevich [38]

You have 5 quarters which equals 25 cents each. Which in total comes to $1.25.
You have 15 dimes which is worth 10 cents each.
Which in total comes to $1.50.
$1.50
+$1.25
=$2.75

5 0

3 years ago