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pentagon [3]
2 years ago
7

Solve for s -7s+3s-6=14

Mathematics
2 answers:
solniwko [45]2 years ago
8 0

Answer:

s=-\frac{20}{3}

Step-by-step explanation:

Exact Form:

s=−\frac{20}{3}

Decimal Form:

s=−6.6 repeating

Mixed Number Form:

s=−6\frac{2}{3}

NikAS [45]2 years ago
7 0

Answer:

s=-20/3

Step-by-step explanation:

Line the numbers

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Find center,foci, and vertices of ellipse (x+3)^2/21+(y-5)^2/25=1
sasho [114]
I don't know if we can find the foci of this ellipse, but we can find the centre and the vertices. First of all, let us state the standard equation of an ellipse. 

(If there is a way to solve for the foci of this ellipse, please let me know! I am learning this stuff currently.) 

\frac{(x-x_{1})^2}{a^2}+ \frac{(y-y_{1})^2}{b^2}=1

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(-3,5)

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The major axis in this case is that of the y-axis. In other words, 

b^2>a^2 

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I really hope this helped you! (Partially because I spent a lot of time on this lol) 

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6 0
3 years ago
I don’t know the answer to that one can you help me please
dybincka [34]

Answer:

16/45

Step-by-step explanation:

Step 1:  When dividing fractions, use “KFC”.  It means Keep the first fraction, Flip the second one, and  

              Change it to multiplication

-4/20 ÷ -9/16    →    -4/20 ∙ 16/-9

Step 2:  Reduce any fractions if necessary, it makes multiplying them easier and you will have to reduce anyway at the end.  It’s easier arithmetic to reduce at this step.  The first fraction reduces because both the numerator and denominator are divisible by 4.  

-1/5  ∙   16/-9    

Step 3:  Multiply numerators and denominators together to get one fraction

(-16)/(-45)  

Step 4:  Cancel out the negatives, a negative divided by a negative is a positive.  Our final answer is

 

16/45  


4 0
3 years ago
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