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In-s [12.5K]
4 years ago
8

For which set of data is the mean 8.1?

Mathematics
1 answer:
ololo11 [35]4 years ago
7 0
The last set of <span>8.5, 8.0, 8.0, 9.0, 7.0, because when you add it all together the sum is 40.5, then you divide it by 5 to get 8.1</span>
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The mean, median and mode of these weight 105,53,76,91,120,61,55,98,61
umka21 [38]

Answer:

Step-by-step explanation:

The Mean is 102.85

The Median is 23.85

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Hope this was correct!

6 0
3 years ago
Which of the following is a rational number? (4 points)
Nana76 [90]

Answer:

Square root of 16.

Step-by-step explanation:

Square root 16 = 4 which is rational.

All the rest have an irrational square root.

5 0
3 years ago
Find all rational zeros of P(x)=6x^4-x^3-55x^2+9x+9​
o-na [289]

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Step-by-step explanation:

6 0
3 years ago
See question above<br> A) 7.2 cm <br> B) 9 cm <br> C) 10.6 cm <br> D) 12 cm
Mila [183]

Answer:

B) 9 cm

Step-by-step explanation:

Just look at the triangle and use Pythagoras theoreum.

a² + b² = c²

a = 9 9 - 4.9 = 5

b = ?

c = 10

5² + b² = 10²

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b² = 75

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{Only the positive term has a meaning here.}

b = 8.66 rounded that is 9, which is answer B.

3 0
3 years ago
The length of the base of an isosceles triangle is x. The length of a leg is 4x-6. The perimeter of the triangle is 96. Find x.
slava [35]

Answer:

12 units

Step-by-step explanation:

base is x

one of the legs measure 4x-6

therefore, perimeter is equal to

2 (4x - 6) + x = 96

8x - 12 + x = 96

9x = 96 + 12

9x = 108

x = 108/9 = 12 units

5 0
3 years ago
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