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statuscvo [17]
3 years ago
8

Find the mean of the following set numbers 10,15,25,30,30,50,55,55,60,80

Mathematics
2 answers:
den301095 [7]3 years ago
5 0

Answer:

the pattern is add 5 then addd 10

Step-by-step explanation:

look at what you typed

dalvyx [7]3 years ago
3 0

Answer:

The answer is 41.

Step-by-step explanation:

To find the mean you have to add up all the numbers and then divide it by how many numbers there are.

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Volume equals length times width times height v=lwh<br> solve the equation for l
marshall27 [118]

Answer:

\frac{V}{wh}=l

Step-by-step explanation:

Equation: V=lwh

1). \frac{V}{wh}=\frac{lwh}{wh}

2). \frac{V}{wh}=l

3 0
3 years ago
In a class of 32 students, the mean height of the 14 boys is 1.56 meters, the mean height of all 32 students is 1.515. Work out
vaieri [72.5K]

Answer:

I'm not sure but I did do it on a calculator so 1.515-1.56= -0.045

6 0
3 years ago
Using factor theorem , show that (x -4) is a factor 2x3 + x2 -26x - 40 and hence factorize completely.
notka56 [123]

Step-by-step explanation:

if x-4 is a factor of 2x^3 + x^2- 26x - 40

then f(4) = 0

f(x) = 2x^3 + x^2- 26x - 40

f(4) = 2(4)^3 + (4)^2 - 26(4) - 40

f(4)= 2(64) + 16 - 104 - 40

f(4) = 128 + 16 - 104 - 40

f(4) = 0

hence factorize completely is the photo

7 0
3 years ago
If the interior angle ofa regular polygon is 162° how many sides does it have<br>​
RSB [31]

Answer:

20 sides.

Step-by-step explanation:

The exterior angle = 180 - 162 = 18 degrees.

Since the sum of the exterior angles = 360 degrees the number of sides

= 360 / 18

= 20 sides.

5 0
3 years ago
Bobs supermarket sells red apples and green apples at the ratio of 5:3.
nika2105 [10]

Answer:

10 red apples and 6 green apples

Step-by-step explanation:

first you multiply 5×2 to get 10 apples

then you multiply 3×2 to get 6 apples

5 0
3 years ago
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