4 years ago

Need help with this shape

Mathematics

1 answer:

NISA [10]4 years ago

4 0

It is a quadrilateral

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umka2103 [35]

The new mean is 66.09

<u>Explanation:</u>

Mean weight of 20 students = 65kg

One student with 88kg entered the room.

New mean = ?

$\frac{x_1+x_2+....+x_2_0}{20} = 65$

$\frac{x_1+x_2+....+x_2_0 + 88}{21} = ?$

The above equation can further be written as:

$x_1 + x_2 +....+x_2_0 = 65 X 20\\\\x_1 + x_2 +....+x_2_0 = 1300$

New mean = $\frac{1300 + 88}{21}$

= 66.09

Therefore, the new mean is 66.09

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Step-by-step explanation:

Each loaf uses 34 cups

1 loaf 114-34= 80 cups left

2nd loaf 80-34= 46 cups left

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Svetach [21]

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Step-by-step explanation:

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Step-by-step explanation:

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