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drek231 [11]
3 years ago
15

Select the two values of x that are roots of this equation. 2x2 + 11x - 6 = 0

Mathematics
1 answer:
sukhopar [10]3 years ago
8 0

Answer:

2×2 +11x - 6 =0

4 + 11x - 6 = 0

11x - 6 =4

-6 + 4 = 11x

-2 = 11x

X =11/2

X =5.2

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X + 5=12
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4 0
3 years ago
Write two equivalent ratios of 7/10. 12/11. 3/2. 11/4. and 5/12.
TiliK225 [7]
7/10... 14/20, 28/40
12/11... 6/6.5, 24/22
3/2... 6/4, 12/8
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3 0
3 years ago
What is 3246×456785555555
Lilit [14]

We could simplify 456785555555 by putting it into scientific notation:

4.56785e11

Now, we can multiply.

(4.56785e11)(3246)=1.482725913e15

If you want your answer in standard notation:

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6 0
3 years ago
How much water can be held by a cylindrical tank with a radius of 12 feet and a height of 30 feet?
Sergio039 [100]
To answer this, we need to use the equation for the volume of a cylinder:
V = \pi r^{2}h
Where:
'V' : Volume
'r' : radius
'h' : height

Now we plug in our values and solve:
V = \pi (12)^{2}(30)
V = \pi (144)(30)
V = <span>13571.68 cubic feet
</span>
∴Despite not being exactly what we got, the answer must be 'B'. It is the closest value to our solution without going over. 

Hope this helps!

8 0
3 years ago
Danny charges $40 for 4 hours of swimming lessons, Martin charges $85 for 5 hours of swimming lessons. Who offers a better deal?
Ratling [72]

Answer:

Danny does

Step-by-step explanation: 40 / 4 = 10

                                              85 / 5 = 17

10 is less than 17 meaning that Danny is offering a better deal.

Hope this helps!

4 0
3 years ago
Read 2 more answers
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