2 years ago

Find the value of 3.4 squared

Mathematics

2 answers:

storchak [24]2 years ago

8 0

Your answer is 11.56 sorry if it isn't what you need

oee [108]2 years ago

3 0

10.6 let me know if it is wrong.

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Sum of two digit number is9.When we interchange the digits it is found that the resulting new number becomes twice the other num

ruslelena [56]

Answer:

4 and 5

Step-by-step explanation:

Let the numbers be x and y

If their sum is 9, hence;

x + y = 9 ....1

When reversed

10y+x = 2(10x+y)

10y+x = 20x + 2y

10y - 2y = 20x - x

8y = 19x

y = 10x/8 ...2

Substitute equation 2 into 1;

From 1;

x+y = 9

x +(10x/8) = 9

18x/8 = 9

18x = 72

x = 72/18

x = 4

Since x+y =9

y = 9-x

y =9-4

y = 5

Hence the numbers are 4 and 5

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2 years ago

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oksano4ka [1.4K]

Hope this helps!! If u want me to answer any more questions just ask! Have a nice day!

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2 years ago

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max2010maxim [7]

The answer to this is D

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2 years ago

A sample of 49 observations is taken from a normal population with a standard deviation of 10. the sample mean is 55. determine

Anna35 [415]

The answer I think is D.

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Indicate the equation of the given line in standard form, in the equation box below.

Illusion [34]

Perpendicular lines have slopes that are negative reciprocals of each other, so the equation of the line in point-slope form is:

$y-4=-\frac{5}{2}(x+3)$

Rewriting this in standard form,

$2y-8=-5(x+3) \\ \\ 2y-8=-5x-15 \\ \\ \boxed{5x+2y=-7}$

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2 years ago