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3 years ago

If the mean of the data below is 3.8 find m. x 1 2 3 4 5 6 y 2 4 7 m 6 3

Mathematics

1 answer:

Ivahew [28]3 years ago

7 0

Answer:

m = 0.8

Step-by-step explanation:

The mean can be calculated as:

$\frac{2 + 4 + 7 + m + 6 + 3}{6} = 3.8$

Then, all the values can be added and the expression turns into:

$\frac{22 + m }{6} = 3.8$

The expression can be simplified by multiplying on both sides by 6:

$\frac{22 + m }{6}*6 = 3.8*6$

$22 + m = 22.8$

Which makes m = 0.8

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noname [10]

Answer:

$-3m^{12}{n^{6} }$

Step-by-step explanation:

To begin simplifying this, we can first divide the coefficients, giving us:

$\frac{-3m^{5}n^{4} }{m^{-7} n^{-2} }$

We know that when dividing exponents, this means we need to subtract the exponent on the denominator from the numerator. This gives us:

$\frac{-3m^{5+7} n^{4+2} }{1}$

Now, simplifying this gets:

$-3m^{12}{n^{6} }$

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3 years ago

Which special version of the Pythagorean Theorem can you use to find the length of any squares diagonal, d, using only the lengt

EleoNora [17]

The square's diagonal is the triangle's hypotenuse.

The Pythagorean theorem is = $a^{2}+b^{2}=c^{2}$

Here, 'c' is the hypotenuse and 'a' and 'b' are the two sides of the triangle.

As the side is given 12 inches, so this becomes

$12^{2}+12^{2}=d^{2}$

$144+144=d^{2}$

$d^{2}=288$

$d=\sqrt{288}$

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3 years ago

Kyra went to the grocery store on Monday and bought 5 apples and 2 oranges for a total of $3.45. On Thursday she bought 3 orange

Afina-wow [57]

Answer:

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3 years ago

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LenaWriter [7]

Answer:

The first option, the mayor will lose by a large percentage.

Step-by-step explanation:

If you look at the numbers, You can see that the two best answers which are excellent and satisfactory are low, and in total equal 28.

Being compared to the lower ratings which are needs improvement and unsatisfactory are high, and in total equal 52.

Seeing this, this shows that the mayor will lose the election the with more than half of the people voting for someone else.

All the other options excluding the first one, say that he will win by a close call, a big percent, or a close call again.

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3 years ago

What is the area of a square with a 80 ft. Perimeter

slega [8]

Answer:

400 sq. ft.

Step-by-step explanation:

We gotta find the length of a side:

First, we divide 80 by 4, because the perimeter of a square is (4 x side):

80 ft. / 4 = 20 ft.

Second, we doing the normal area of a square equation:

$20^{2}$ = 400 square ft.

Which leads to out answer of 400 sq. ft.

5 0

3 years ago

If the mean of the data below is 3.8 find m. x 1 2 3 4 5 6 y 2 4 7 m 6 3​

If the mean of the data below is 3.8 find m. x 1 2 3 4 5 6 y 2 4 7 m 6 3