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sleet_krkn [62]

3 years ago

14

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

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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Kruka [31]

Answer:

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3 years ago

A company sells tents in two styles, shown below. The sides and floor of each tent are made of nylon. Which tent requires less n

BartSMP [9]

Answer: Tunnel tent.

Step-by-step explanation:

The tent which has the minimum area requires less nylon to manufacture,

Since, the area of Pup tent = Area of 3 square each having side 8 ft + Area of 2 equilateral triangle having side 8 ft

= $3 \times ( 8^2 ) + 2\times \frac{64\sqrt{ 3} }{4}$

= $192+ 2\times \frac{64\sqrt{ 3} }{4}$

= $192+ 32\sqrt{ 3}$

= $247.425625842\approx 247.43\text { square ft}$

Now, the area of tunnel tent = Area of square having side 8 ft + total Area of half cylinder having radius 4 ft and height 8 ft

= $8^2 + \frac{1}{2} [ 2\pi\times 4(4+8)]$

= $64 + \pi\times 48$

= $64 + 3.14\times 48$

= $214.72\text { square ft}$

Since, 214.72 < 247.43

Thus, Tunnel tent requires less nylon to manufacture.

4 0

3 years ago

Use the Law of Sines to find each missing side or angle. Round to the nearest tenth.

Gre4nikov [31]

(22 x sin(65))/sin(53) =24.96604654 rounded of to nearest tenth = 25
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5 0

1 year ago

Find the angle measures for this isosceles triangle.

nasty-shy [4]

Answer:

Step-by-step explanation:

3p + 6p + 6p = 180 deg

15p = 180

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thus,

36 deg, 72 deg, 72 deg (ANS)

6 0

3 years ago

A box of 42 chocolates contains milk and dark chocolates in the ratio of 3:4. How many chocolates of each type there are?

Elza [17]

<h2>Answer:The number of milk chocolates are 18 and the number of dark chocolates are 24.</h2>

Step-by-step explanation:

Let the number of milk chocolates be $m$ .

Let the number of dark chocolates be $d$ .

Given that the box contains the milk and dark chocolates in the ratio $3:4$ .

So, $\frac{m}{d}=\frac{3}{4}$ ...(i)

Given that the total number of chocolates are $42$ .

So, $m+d=42$ . ...(ii)

Using (i) and (ii),

$m+\frac{4}{3}m=42$

$\frac{7}{3}m=42$

$m=18$

$d=\frac{4}{3}m=\frac{4}{3}\times 18=24$

So,the number of milk chocolates are $18$ and the number of dark chocolates are $24$ .

4 0

3 years ago