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dolphi86 [110]
3 years ago
9

Find the distance between the points (6, 5 square root 2) and (4, 3square root 2).

Mathematics
2 answers:
Bond [772]3 years ago
7 0

For this case we use the distance formula between two points.

We have then:

d=\sqrt{(x2-x1)^2+(y2-y1)^2}

Substituting values in the given equation we have:

d=\sqrt{(6-4)^2+(5\sqrt{2}-3\sqrt{2})^2}

Rewriting the equation we have:

d=\sqrt{(2)^2+(2\sqrt{2})^2}

d=\sqrt{4+8}

d=\sqrt{12}

d=\sqrt{3*4}

d=2\sqrt{3}

Answer:

The distance between the points is:

d=2\sqrt{3}

Sonbull [250]3 years ago
4 0

The distance would be 2√3 , in other words it is 2 square root 3

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77julia77 [94]
No he is not, 10*0.13=1.3, so 5*0.13=0.65
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3 years ago
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JulijaS [17]

9514 1404 393

Answer:

  72

Step-by-step explanation:

Substitute 6 for x in the equation and do the arithmetic.

  y = 12x

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John earns 72 money units in 6 hours.

8 0
3 years ago
Suppose that the quality control manager for a cereal manufacturer wants to ensure that bags of cereal are being filled correctl
likoan [24]

Answer: No, these results are not statistically significant because

p > 0.05

Step-by-step explanation:

The null hypothesis is

H0 : μ = 17

The alternative hypothesis is

H 1 : μ ≠ 17

where μ is the mean amount of cereal in each box.

The p value that he got is 0.1499. This is greater than alpha = 0.05 which is the given level of significance.

If the level of significance is lesser than the p value, we would accept the null hypothesis.

Therefore, the correct option is

No, these results are not statistically significant because p>0.05

6 0
3 years ago
What is the square root of 21
Andru [333]

Answer:

4.58

Step-by-step explanation:

21 is not a perfect square, but lies between the perfect squares 16 and 25.  Thus, √21 lies between √16 and √25, that is, between 4 and 5.  Since 21 is closer to 25 than to 16, √21 is closer to 5 than to 4.  A rough estimate of √21 would be 4.7.

√21 done on a calculator comes out to 4.58.

4 0
3 years ago
I have no idea how to do this ha​
TEA [102]

Answer:

30

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x=30

7 0
3 years ago
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