3 years ago

What is 24% as a fraction?

Mathematics

2 answers:

nata0808 [166]3 years ago

5 0

Answer: 6/25 or 0.24! :)

IgorLugansk [536]3 years ago

4 0

___

100

yesssa above is right

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X^2 + 4y^2 =100; 4y - x^2 = -20

deff fn [24]

$x^2+4y^2=100\implies x^2=100-4y^2$
$\implies 4y-(100-4y^2)=-20$
$\implies 4y^2+4y-80=0$
$\implies y^2+y-20=0$
$\implies (y-4)(y+5)=0$
$\implies y=4,y=-5$

When $y=4$ , you have

$4(4)-x^2=-20\implies x^2=36\implies x=\pm6$

When $y=-5$ ,

$4(-5)-x^2=-20\implies x^2=0\implies x=0$

So there are three solutions, $(x,y)\in\{(6,4),(-6,4),(0,-5)\}$ .

7 0

3 years ago

-5 = 13+ 4w plz solve fast

weqwewe [10]

Ok so you have to add 13+5 and that will give you 18 then will clear -4w and then divide 18 and -4 by 4
-4w=13+5
-4w=18
18/-4 -4/-4
W=-9/2
I hope this works

4 0

3 years ago

HELP PLEASE!!

kaheart [24]

at x=-2,

y=-3(-2)+4

y=10

at y=4,

4=-3x+4

3x=4-4

x=0

(-2,4),(0,10)

gradiant=-3

y-4=-3(x-(-2))

y-4=-3x-6

y=-3x-2

7 0

2 years ago

Suppose a virus splits into two every 45 minutes how many viruses are there after 5 hours 15 minutes

sergij07 [2.7K]

Answer:

Step-by-step explanation:

1 hour = 60 minutes

5*60=300 minutes

300+15 minutes

315/45

7*2=14

....................................................

3 0

2 years ago

Please do not send me a link to the answers I will have u reported but please answer this in feet

Dmitrij [34]

Answer:

24.5

Step-by-step explanation:

8 0

3 years ago