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dusya [7]
3 years ago
15

9. The following data are the ages of eight male

Mathematics
2 answers:
Bess [88]3 years ago
8 0
The mean is 26 and the MAD is 3.75
dybincka [34]3 years ago
5 0

Answer:

The mean is 26 The mean absolute deviation is 3,2,1,5,5,10,3

Step-by-step explanation:

To find the mean you have to add all the numbers together and divide by 8 because there are 8 number so  to find the mean absolute deviation of the data, start by finding the mean of the data set.

Find the sum of the data values, and divide the sum by the number of data values.

Find the absolute value of the difference between each data value and the mean: |data value – mean|.

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Patrick's favorite shade of purple paint is made with 4 ounces of blue paint for every 3ounces of red paint.
Elan Coil [88]
The ratio of Blue to red in the purple shade that Patrick wants is:
Blue:red=4:3
The mixtures that will create the same shade of purple is:

<span>a] 8ounces of blue paint mixed with 6ounces of red paint
because the ratio of blue to red is 4:3
and
b] </span><span>20 ounces of blue paint mixed with 15 ounces of red paint
because the ratio of blue to red is 4:3</span>
6 0
3 years ago
Read 2 more answers
Rhombus ABCD has a diagonal BD¯¯¯¯¯.
ELEN [110]

Answer:

Solution given:

m∠ADB=(4x−12)°

m∠CDB=(3x+6)°

m∠ADC =?

Since diagonal BD bisect the angle <ADC

so

m∠ADB= m∠ADC

(4x-12)°=(3x+6)°

4x-3x=6-12

x=12+6

x=18°

again.

<ADB=m∠ADB+ m∠ADC=4×18-12+3×18+6=120°

So

<u>the m∠</u><u>ADC</u><u> </u><u>=</u><u>1</u><u>2</u><u>0</u><u>°</u>

5 0
2 years ago
Name the lengths of the sides of three rectangles with perimeters of 12 units. use only whole numbers
disa [49]


3x4=12      1x12=12       6x2=12   

You just need to be able to multiply the sides to equal 12. I hope that helps. :)

4 0
3 years ago
Tom borrowed $8,000 for 4 years to make improvements on his house. If he repaid a total of $10,320, what interest rate did he bo
mina [271]
The loans interest rate is 6.57305%

See photo for additional details

Hope this helps! Please make me the brainliest, it’s not necessary but appreciated, I put a lot of effort and research into my answers. Have a good day, stay safe and stay healthy.

3 0
2 years ago
This hyperbola is centered at theorigin. Find its equation.Foci: (-2,0) and (2,0)Vertices: (-1,0) and (1,0)
beks73 [17]

SOLUTION

From the question, the center of the hyperbola is

\begin{gathered} (h,k),\text{ which is } \\ (0,0) \end{gathered}

a is the distance between the center to vertex, which is -1 or 1, and

c is the distance between the center to foci, which is -2 or 2.

b is given as

\begin{gathered} b^2=c^2-a^2 \\ b^2=2^2-1^2 \\ b=\sqrt[]{3} \end{gathered}

But equation of a hyperbola is given as

\frac{(x-h)^2}{a^2}-\frac{(y-k)^2}{b^2}=1

Substituting the values of a, b, h and k, we have

\begin{gathered} \frac{(x-0)^2}{1^2}-\frac{(y-0)^2}{\sqrt[]{3}^2}=1 \\ \frac{x^2}{1}-\frac{y^2}{3}=1 \end{gathered}

Hence the answer is

\frac{x^2}{1}-\frac{y^2}{3}=1

5 0
1 year ago
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