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Alecsey [184]
3 years ago
8

Find the solution to the system of equations. Round to the nearest tenth if necessary.

Mathematics
1 answer:
Sidana [21]3 years ago
7 0

Answer:

x+1=x^{2}-3,x=\frac{1+\sqrt{17} }{2}  or \frac{1-\sqrt{17} }{2};

Step-by-step explanation:

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1/6÷6÷6= please help me with this :D
slava [35]

Answer:

1 / 216

Step-by-step explanation:

Remember, when you divide fractions you have to multiply by the reciprocal

1/6 ÷ 6/1 ÷ 6/1

1st step:  1/6 ÷ 6/1  =  1/6 · 1/6  =   1/36

2nd step:  1/36 ÷ 6/1  = 1/36 · 1/6  = 1 /216

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3 years ago
A group of researchers investigated the effects of bed room lighting conditions in developing eye sight problems and found that
iogann1982 [59]

Answer:

Step-by-step explanation:

From the given information:

We are to find the following:

1)

Directional hypothesis: The directional hypothesis is the groups with different bedroom lightning conditions having a different proportion of eyesight proportions.

2)

The non directional hypothesis is each group having the same proportion of eyesight problems regardless and independent of the condition of the bedroom lightning.

3)

Control group: Children that slept in darkness

4)

Experimental groups: Children that slept in night light and those that slept with lamp.

5)

Independent variable: Light condition of the bedroom

Dependent variable: Eye sight problem.

3 0
3 years ago
TEST I - Reading and Writing Numbers. (15 points) (15 minutes)
Lera25 [3.4K]

Answer:

Step-by-step explanation:

1)

Three-Fourth

2)

Twelve Million One Hundred Thirty One Thousand Two Hundred Sixty Seven and Twenty Five Hundredths

3)

Seventy Five Percentage

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5 0
3 years ago
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5) A letter or symbol that is used to represent a number is called a _ _ _ _ _ _ _ _.
AleksandrR [38]

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Variable or Symbol

Step-by-step explanation:

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The boiling point of water in the Fahrenheit scale is 212 degrees ?
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