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Komok [63]
3 years ago
14

3/5 as a rational number

Mathematics
2 answers:
Vikentia [17]3 years ago
8 0
Rational numbers are written in form a/b where b≠0

3/5 is already written in that form
zhenek [66]3 years ago
6 0
<span>3/5 is already a rational number :)</span>
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The triangle below is isosceles (two congruent sides). Find the value for x. one side say x + 3.8 and the other says 16 and then
Ugo [173]
The <span>isosceles triangle has two congruent sides

Their lengths are (</span> x + 3.8 ) and  <span>16

Equate them :

x+3.8=16


Solve for x:
3=16-3.8=12.2
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3 years ago
How to write 8.517 in word form
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<span>Answer:

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3 years ago
The number of chickens to the the number of ducks on a farm was 6:5. after 63 ducks were sold, there were three times as many ch
Rom4ik [11]
Let x be the common factor between chickens and ducks. Then:
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8 0
3 years ago
Read 2 more answers
I will mark brainiest is my answer is correct?
Kruka [31]
Yes you have the correct one good job.
8 0
3 years ago
Use the discriminant to describe the roots of each equation. Then select the best description. x2 - 5x + 7 = 0
miv72 [106K]
The general form of a quadratic (second degree) equation is 

a x^{2} +bx+c=0, where

D= b^{2}-4ac is called the Discriminant.


The Discriminant determines how many roots the equation will have as follows:

i)  if D>0, the equation has 2 roots.
ii) if D=0, the equation has 1 double root.
iii) if D<0, the equation has no roots.


In our equation, x^{2} -5x+7=0, a=1, b=-5, c=7

so the discriminant is D=(-5)^2-4*1*7=25-28<0


Thus the equation has no roots.


Remark: the equation has no roots in the Real numbers, but it has 2 roots in a larger set of numbers to be discussed in the future, the Complex numbers.
5 0
3 years ago
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