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Helga [31]
3 years ago
10

Pls answer and if u don't know it DON'T WASTE MY TIME AND POINTS

Mathematics
1 answer:
Anna11 [10]3 years ago
7 0

Answer:

1/7

1/7

3/7

4/7

6/7

6/7

Step-by-step explanation:

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Please answer the question from the attachment.
spin [16.1K]

Hi,

7x²-2x-8=0, so a = 7, b= - 2, and c = -8.

You just need to apply the formula for square equations:

x_{1,2}=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}=\dfrac{-(-2)\pm\sqrt{(-2)^2-4\cdot 7\cdot (-8)}}{2\cdot 7}=\dfrac{2\pm\sqrt{228}}{14}=\dfrac{2\pm\sqrt{4\cdot 57}}{14}=\\\\=\dfrac{1\pm\sqrt{57}}7\Rightarrow x_1=\dfrac{1-\sqrt{57}}7,\;and\;x_2=\dfrac{1+\sqrt{57}}7.

Green eyes.

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Maria is traveling for business. She starts by traveling from Mexico City to Singapore which is about 1.26 x 10^4 miles. She the
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What is the answer to
azamat

Answer:

Step-by-step explanation:

lets rewrite the equations so that the x and y are on one side and the constant on the other.

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Select all the expressions that are equivalent to 4b:
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No. 1 , 3 and 5 is correct.

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Steve is adding wallpaper to a living room wall and he needs to know how much wallpaper to buy. If the wall is 8.5 feet tall and
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