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Bess [88]
3 years ago
14

someone help and PLEASE make sure it’s right plz

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
3 0

Answer:

So someone trolled me and deleted my answer. Don’t delete this please!! <3

Step-by-step explanation:

It is a right triangle because it has a 90º angle in it.

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Mkey [24]

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160 miles per hour

Step-by-step explanation:

640/4=160

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3 years ago
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Veronika [31]

Answer:

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7 0
3 years ago
Serena is building a bookcase she cuts two pieces of wood from one board one piece is 1 7/8 feey long and another is 3.5 ft long
Vladimir79 [104]

Answer:

\frac{43}{8}  feet

Step-by-step explanation:

The total change is the sum of the length of two boards she cut.

First board length is 1  7/8th feet. Let's change to improper fraction:

1 7/8 = 15/8 feet

Second board lengrh is 3.5 feet, or 3  1/2 feet. Let's change to improper fraction:

3  1/2 = 7/2 feet

Let's add the two:

\frac{15}{8}+\frac{7}{2}\\=\frac{15+28}{8}\\=\frac{43}{8}

The change in original board is 43/8 feet

3 0
3 years ago
The 100-meter dash times in the girls track meet were normally distributed with a mean of 13 seconds and a standard deviation of
Svetllana [295]

Answer:

97.68 %

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Step-by-step explanation:

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