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mote1985 [20]
3 years ago
5

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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Which addition expression is equivalent to -9.5 - (-18)? *
iren [92.7K]

Answer:

8.5

Step-by-step explanation:

Solution Steps

-9.5- (-18)

The opposite of -18 is 18.

-9.5+18

Add -9.5 and 18 to get 8.5

7 0
3 years ago
Mary Palm's checking account had a starting balance of $785.63. She wrote a check for $57.00 for groceries and a check for $125.
wariber [46]
785.63-(57+125)
=785.63-182
=603.63

603.63+57.25=$660.87
5 0
3 years ago
Simplify: -2/5 + 4/3
hoa [83]

Answer:

14/15

Step-by-step explanation:

1. Convert the fractions to have the same denominator

Remember that you can only add fractions with the same denominator

To find the common denominator, find the LCM of 5 and 3 which is 15.

-2/5 * 3/3 = -6/15 and 4/3 * 5/5 = 20/15

-6/15 + 20/15 = 14/15

hope this helps! <3

7 0
2 years ago
Read 2 more answers
A softball team played 149 games. The team won 8 more than two times the number of games they lost. How many games did they lose
BlackZzzverrR [31]

The number of game the softball team lose is 47 games.

<h3 /><h3 /><h3>The softball team played 149 games. </h3>

Total games played = 149 games

The team won 8 more than two times the number of games they lost.

Let

the number of games they lost = x

Therefore,

  • number of game won = 8 + 2x

The number of game they lose can be calculated as follows:

8 + 2x + x = 149

8 + 3x = 149

3x = 149 - 8

3x = 141

x = 141 / 3

x = 47

Therefore, the team lost 47 games.

learn more on algebra here: brainly.com/question/14406047?referrer=searchResults

6 0
2 years ago
There is a group of student,1/3 are in elementary ,1/2 are in middle school and 15 are in high school. How many are in the group
OverLord2011 [107]
1/2 + 1/3 = 3/6 + 2/6 = 5/6
we have 5/6 so 15 is 1/6 of the entire group
15 × 6 = 90
7 0
3 years ago
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