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azamat
3 years ago
6

172,800 in scientific notation

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
5 0

Answer:

1.728 x 10^5

Step-by-step explanation:

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= 2. Given the quadratic equation 3x2 – 8x + k = 0 has no real roots. Find the range of values of k.
VashaNatasha [74]

\text{If there  are no real roots, then}\\\\~~~~~\text{Discriminant} < 0\\\\\implies b^2 -4ac < 0\\\\\implies (-8)^2 -4 \cdot 3 k < 0\\\\\implies 64-12k < 0\\\\\ \implies 12k > 64\\\\\implies k > \dfrac{64}{12}\\\\\implies k > \dfrac{16}3\\\\\text{Interval,}~ \left( \dfrac{16}3, ~\infty\right)

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2 years ago
What times what equals 32
Sholpan [36]

4*8=32

or 8*4= 32


I hope that's help .

4 0
3 years ago
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Do I have balls? Can you answer 18 divided by 0?
Whitepunk [10]

Answer:

I don't know if you have balls, but divided a number divide by zero is undefined a better trolling problem will be what is the ans of 0/0

https://en.wikipedia.org/wiki/Division_by_zero

Step-by-step explanation:

3 0
3 years ago
Monica is building a 4ft sidewalk around her flower garden. Find the are of the sidewalk.
netineya [11]

Answer:

(20x30)= 600

that's the area of rectangular plot

3ft wide sidewalk means both +3 on left and +3 on right, also both +3 up and +3 down

which means u have to do 26x36=936

then subtract 

936-600=336 square feet

Step-by-step explanation:

6 0
3 years ago
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The cost to produce a book is 1200 to get started plus 9 dollars per book. The book sells for 15 dollars each. How many books mu
pochemuha

720

Answer:

15/9 = 1200/x

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x= 720

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2 years ago
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