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makkiz [27]
3 years ago
11

Find the surface area of the figure below

Mathematics
1 answer:
Alja [10]3 years ago
3 0

Answer:

90 sq in.

Step-by-step explanation:

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Find the mean absolute deviation of the following numbers. 10, 8, 5, 12, 20
kicyunya [14]
The mean absolute deviation of the following set of data is 4.5
Step-by-step explanation:
We need to find the mean absolute deviation of the following set of data.
10,20,12,4,18,8,14,18
For finding mean absolute deviation, first we need to find the mean of the given data set.
The formula used to calculate mean is:
Sum of all data points: 10+20+12+4+18+8+14+18 = 104
Number of data points = 8
So, mean is:

Now, we will subtract 13 from the given data points:
10 - 13 = -3
20 - 13 = 7
12 - 13 = -1
4 - 13 = -9
18 -13 = 5
8 - 13 = -5
14 - 13 = 1
18 - 13 = 5
We will take absolute values i.e |-a|=a
So, now the numbers will be:
3,7,1,9,5,5,1,5
We will now find absolute mean deviation by finding mean of newly calculate values
Sum of all data points = 3+7+1+9+5+5+1+5
Number of data points = 8

So, the mean absolute deviation of the following set of data is 4.5
4 0
3 years ago
Simplify 2/7 ? I neeed help will give Brainlyest
Fudgin [204]

Answer:

2/7 is already in the simplest form. It can be written as 0.285714 in decimal form (rounded to 6 decimal places).

7 0
3 years ago
Write the equation of the line that passes through (0, 3) and is parallel to the line 3x + 5y = 6.
Pavel [41]
Please, see the offered decision:
1) common equation for lines is y=kx+b. If k₁=k₂ (for line 1 and line 2) ⇒ 'line 1' || 'line 2'.
2) for line 3x+5y=6   k= -3/5. It means (according to item 1) for unknown line k is the same (-3/5).
3) using points (0;3) it is easy to find parameter b (x=0, y=3) via y=kx+b:
3=0*(-3/5)+b ⇔ b=3.
4) finaly (k=-3/5; b=3):
y=- \frac{3}{5}x+3 \ or \ 3x+5y=15
3 0
3 years ago
The price of apples is $3.60 for 3 pounds write the price as a unit rate
Finger [1]

Take the total and divide by the amount to get answer.

3.60 /3 = $1.20 per pound

4 0
4 years ago
Write an equation of the line that passes through (-4,-1) and is perpendicular to the line y=4/3x+6
Sonja [21]

Answer:

y=-\dfrac{3}{4}x-4.

Step-by-step explanation:

If needed line is perpendicular to the line y=\dfrac{4}{3}x+6, then its slope satisfies condition

m\cdot \dfrac{4}{3}=-1\Rightarrow m=-\dfrac{3}{4}.

Then the equation of needed line will have look

y=-\dfrac{3}{4}x+b.

Since this line passes through the point (-4,-1), then

-1=-\dfrac{3}{4}\cdot (-4)+b,\\ \\-1=3+b,\\ \\b=-1-3=-4.

Hence, the equation is

y=-\dfrac{3}{4}x-4.

8 0
3 years ago
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