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romanna [79]
3 years ago
9

PLEASEEE HELLPPPP 20 POINTSHow can I find a repeating decimal? fraction to decimal

Mathematics
2 answers:
Kitty [74]3 years ago
7 0

hey  leo it parker now dance for me ah ah ah ah ah now dance for me oh oh oh oh oh

postnew [5]3 years ago
3 0
You have to divide the numerator by the denominator
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What is X and A??? The have to equal the same thing, but one is multiplying and one is adding (picture)
Aleksandr-060686 [28]
X*a = 244  is equation (1)
x+a = 2    is equation (2)

Solve equation (2) for 'a' to get
x+a = 2
a = 2-x
Call this equation (3)

We will plug equation (3) into equation (1)
x*a = 244
x*(a) = 244
x*(2-x) = 244
Notice how the 'a' is replaced with an expression in terms of x

Let's solve for x
x*(2-x) = 244
2x-x^2 = 244
x^2-2x+244 = 0

If we use the discriminant formula, d = b^2 - 4ac, then we find that...
d = b^2 - 4ac
d = (-2)^2 - 4*1*244
d = -972
indicating that there are no real number solutions to the equation x^2-2x+244 = 0

So this means that 'x' and 'a' in those two original equations are non real numbers. If you haven't learned about complex numbers yet, then the answer is simply "no solution". At this point you would stop here. 

If you have learned about complex numbers, then the solution set is approximately 
{x = 1 + 15.588i, a = 1 - 15.588i}
which can be found through the quadratic formula

Note: it's possible that there's a typo somewhere in the problem that your teacher gave you. 

6 0
3 years ago
A train takes 1.5 hours to travel 525 km. Calculate the speed of the train in kilometers per hour.
kow [346]

Answer:

1.5 hours to 525 km

Speed in km/h=

525 \div 1.5 = 350 \: kmph

Step-by-step explanation:

XD

8 0
3 years ago
Read 2 more answers
Which describes the slope of the line that passes through the points (2,5) and (-4,5)?
Stella [2.4K]
Negative because if you mark it on the graph they go in a downwards line which would be a negative slope on the graph :)
8 0
3 years ago
Read 2 more answers
Stefan measured a weight of a package as 15.375 pounds. The actual weight of the package is 15.125 pounds.
Ainat [17]
15.375/15.125 x 100 =~98.4

The ~% is 98.4%
Error = ~2.6%

Part B

Be a near amount. Can be
5 0
3 years ago
Ms. Bell's mathematics class consists of 12 sophomores, 8 juniors, and 9 seniors. How many different ways can Ms. Bell create a
shtirl [24]

Answer:

792

Step-by-step explanation:

It's a combination question. The order is of no consequence. Also the fact that there are juniors and seniors is not important either.

So the answer is

12C5

12!

====

(12 - 5)! * 5!

12 * 11 * 10 * 9 * 8

==============

5 * 4 * 3 * 2 * 1

792

7 0
3 years ago
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