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Law Incorporation [45]
2 years ago
11

Find the solutions of the quadratic equation -9x2 +2 +3 = 0.

Mathematics
1 answer:
Verdich [7]2 years ago
3 0

Answer:

Step-by-step explanation:

Assuming you mean -9x^2 +2x+3=0

by the quadratic formula:

-2 +-\sqrt{4+108}/18

Therefore we end up with: +-\sqrt{5]/3

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PLEASE HELP I REALLY NEED IT
mars1129 [50]

Answer:

The answer is 12 bags

Step-by-step explanation:

This is because the first big rectangle is 48 feet while the smaller one is 12 feet. By adding them together you get 60. 60 divided by 5 is 12 so its 12 bags.

3 0
3 years ago
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Write the following numbers in order from least to greatest: -5.6, 7.95, 2.06, 0, -6.89
pashok25 [27]

Answer:

-6.89, -5.6, 0, 2.06, 7.95

Step-by-step explanation:

Hope this helps!

7 0
2 years ago
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Grains of sand are very small, there being about 3000 grains in one cubic centimeter (cm3) of sand. A cm3 is a small cube measur
Anastasy [175]

Answer:

The value is x =  3.000 * 10^9 \  grains

Step-by-step explanation:

From the question we are told that

      1m^3 = 10^6 cm^3

And that

     3000 \  grains \ of \  sand  \  is  \ in \  1cm^3

So the number of sand grain that is in 1m^3 is mathematically evaluated as

      x =  3000 * 10^6 \  grains

=>  x =  3.000 * 10^9 \  grains

4 0
3 years ago
The difference of the square of a number and 10 is equal to 3 times that number. Find the negative solution.
Harrizon [31]

Answer:

-2

Step-by-step explanation:

Let's call the number x. The statement tells us that

x^2 - 10 = 3x, or

x^2-3x-10 = 0

Factoring:

(x-5)(x+2) = 0. Here, we see that there are two solutions: x = 5 and x = -2. So, the negative solution is x = -2.

3 0
2 years ago
Mary leaves London at 12:00 and expected to arrive in Dorset at 13:00, however she had to detour due to road works eventually ar
Andreyy89
So she started at 12 and ended at 14
14-12=2

she traveled for 2 hours

50miles per hour or 50m/h
(m=miles not minutes)
2 hours so
2h times 50m/h
100miles traveled
7 0
3 years ago
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