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ExtremeBDS [4]
3 years ago
7

Simplifying the expression 3x^3 - 15x^2 + 15x - 75 / 3x^2 + 15 results in the binomial expression

Mathematics
1 answer:
Hoochie [10]3 years ago
4 0
I think its x-5. I think it is i'm not sure tho
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two runners start 30kilometer apart and run toward each other. they meet after 3hours. One Runner runs 2 kilometers per hour fas
belka [17]

Let the slower runners speed be X kilometers per hour.

Then the faster runners speed would be X+2 kilometers per hour.


The formula for distance is Speed times time.

The distance is given as 30 kilometers and time is given as 3 hours.


Since there are two runners you need to add the both of them together.

The equation becomes 30 = 3x + 3(x+2)

Now solve for x:

30 = 3x + 3(x+2)

Simplify:

30 = 3x + 3x +6

30 = 6x + 6

Subtract 6 from each side:

24 = 6x

Divide both sides by 6:

x = 24/6

x = 4


The slower runner ran at 4 kilometers per hour.

The faster runner ran at 4+2 = 6 kilometers per hour.


3 0
3 years ago
Michael threw a baseball 17.6 meters. His older brother, Kyle, threw a baseball 3.5 times farther than Michael. How far did Kyle
lukranit [14]

Answer: 61.6

Step-by-step explanation:

17.6 X 3.5 = 61.6

6 0
3 years ago
Read 2 more answers
If mark can make 42 cakes in 7 days how many can he make in 5 days
ipn [44]
42%7=6. 6 times 5 is 30. 30 cakes in 5 days.
6 0
3 years ago
PLEASE HELP<br> Write the equation of the line that passes through the points (5,5) and (7,-5)
Mamont248 [21]
Y=-5x+30

Hope this helps
7 0
3 years ago
In a state lottery game you select six numbers from 1 to 44. the state selects six numbers at random from 1 to 44 without replac
LiRa [457]
We need to correctly choose exactly 4 out of the 6 drawn numbers.

Apply hypergeometric distribution:
a=number of correctly chosen numbers = 4
A=number of correct (drawn) numbers = 6
b=number of incorrectly chosen numbers = 2 
B=number of undrawn numbers = 44-6 = 38

Then by the hypergeometric distribution
P(a,b,A,B)
=C(A,a)C(B,b)/C(A+B,a+b)  [C(n,r)=combination of r objects taken out of n]
=C(6,4)C(38,2)/C(44,6)
=15*703/7059052
= 10545/7059052
= 0.001494 (to the nearest millionth)
Answer: probability of winning third prize is 10545/7059052=0.001494

6 0
3 years ago
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