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3 years ago

93, 94, 95, 89, 85, 82, 87, 85, 84, 80, 78, 78, 84, 87, 90.

Mathematics

2 answers:

artcher [175]3 years ago

6 0

Answer:

86 is the mean and the median is 85

Step-by-step explanation:

To calculate the mean all u gotta do is add all the numbers then divide by how many numbers there is and to calculate the median all u gotta do is put them in order 78-95 then mark 1 on each side til you reach the middle and the number in the middle is the answer.

Anastasy [175]3 years ago

5 0

Answer:

90 ... 90 82 91 87 78 90 98 92 94 Establishment characteristics Goods-producing industries. ... 76 65 86 67 52 78 90 85 94 Educational services 86 80 93 71 60 84 90 86 95 ...

Step-by-step explanation:

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Similar between cones and pyramids

weqwewe [10]

The simple closed curve is called the base of the cone, and the fixed noncoplanar point is the vertex. ... Figure %: A right circular cone It is easy to see the close relationship between pyramids and cones. The only difference is the base--a pyramid is a cone with a polygonal base.

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3 years ago

Read 2 more answers

£440 is divided between David, Mark & Henry so that David gets twice as much as Mark, and Mark gets three times as much as H

Lesechka [4]

Mark received £ 132

Solution:

Given that £440 is divided between David, Mark & Henry

Let "d" be the share of david

Let "m" be the share of mark

Let "h" be the share of henry

Total amount is 440

Therefore,

share of david + share of mark + share of henry = 440

d + m + h = 440 ------- eqn 1

David gets twice as much as Mark

d = 2m ----- eqn 2

Mark gets three times as much as Henry

m = 3h

$h = \frac{m}{3}$ ------ eqn 3

Substitute eqn 2 and eqn 3 in eqn 1

$2m + m + \frac{m}{3} = 440\\\\\frac{6m + 3m + m}{3} = 440\\\\10m = 1320\\\\m = 132$

Thus Mark received £ 132

8 0

3 years ago

1. Which of the following is not an equation?

OlgaM077 [116]

Answer:

2. is not an equation

Step-by-step explanation:

An equation always has an equal sign. An expression doesn't

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2 years ago

4y+2x+3=0 find the value of x

Komok [63]

X=-2y-3/2 idk what else to type

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What are the possible values of x and y for two points (5,-2)

iragen [17]

Any number can be x and y

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