3 years ago

9 weeks and 5 days - 1 week and 6 days ------------------------------

Mathematics

2 answers:

Butoxors [25]3 years ago

6 0

Answer:

55 days or about 7 weeks

Step-by-step explanation:

9(7)= 63 because there are 7 days in one week

63+5=68

1(7)=7

7+6=13

68-13=55

seraphim [82]3 years ago

3 0

55 days and 7 weeks
I hope this helps

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densk [106]

$y=2x \newline y= x^{2} -3$

Substitue 2x for y in the second equation:

$2x= x^{2} -3$

Rearrange to $a x^{2} +bx+c=0$ form:

$x^{2} -2x-3=0$

Factor:

$(x-3)(x+1)=0$

Zeros are $x=3$ and $x=-1$

To find y-coordinates of pts of intersection, plug these x-values into first equation to get $y=-2$ and $y=6$