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3 years ago

Explain how can you determine if a solid has reflectional symmetry.

Mathematics

1 answer:

Pani-rosa [81]3 years ago

4 0

Answer: When a solid can be mapped onto itself by a reflection in a plane, it has reflectional symmetry.

Step-by-step explanation:

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Answer:

Examples of composite odd numbers are 9, 15, 21, 25, 27, 31, etc.

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Mary prepared sandwiches for the seminar participants. She bought 5 loaves of bread at 22.50 pesos each, 2 bottles of mayonnaise

swat32

Answer:

416.50 pesos

Step-by-step explanation:

Given

Represent the bread with b.

Mayonnaise with m

Ham with h

$Amount\ Paid = 1000$

Required

Determine the change

From the question: a loaf costs 22.50

This is represented as:

$b = 22.50$

5 loaves will be:

$5*b = 22.50*5$

$5b = 112.50$

A bottle of Mayonnaise costs 55.50

This is represented as:

$m = 55.50$

2 bottles will be:

$2*m = 55.50*2$

$2m = 111$

Lastly,

1kg of ham costs 240

This is represented as:

$h =240$

1.5kg will be:

$1.5*h =240*1.5$

$1.5h =360$

The cost of the items is:

$Costs = 5b + 2m + 1.5h$

This gives:

$Costs = 112.50 + 111 + 360$

$Costs =583.50$

Her change is calculated as:

$Change = Amount\ Paid- Cost$

$Change = 1000 - 583.50$

$Change = 416.50$

4 0

3 years ago