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sweet [91]
3 years ago
8

I NEED HELP!

Mathematics
1 answer:
Butoxors [25]3 years ago
3 0

Answer:

Perimeter = 54.6 cm

Area = 173 cm²

Step-by-step explanation:

sin 30 = x/20

x = 10

cos 30 = y /20

y = 17.3

perimeter = 10 + 17.3 + 10 + 17.3 = 54.6 cm

area = 10 * 17.3 = 173 cm²

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Please help fast, thanks !
Maslowich

Answer:

a) 0.8

b) 0.3

c) 0.9

d) 0.95

Step-by-step explanation:

A probability always adds up to 1. It is between the scale of 0 (never likely) to 1 (very likely).

So:

1 - 0.2 = 0.8

1 - 0.7 = 0.3

1 - 0.1 = 0.9

1 - 0.05 = 0.95

Hope this helped!

8 0
2 years ago
Renzi can type 50 words per minute. Samuel can type 45 words per minute. If Renzi and Samuel each type for 20 minutes, about how
Leni [432]

Answer:

100

Step-by-step explanation:

(50-45)*20

=5*20

=100

PLEASE GIVE BRAINLIEST

7 0
3 years ago
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PLEASE ANSWER ASAP IF YOU GET THE ANSWER
AfilCa [17]

Answer:

54

Step-by-step explanation:

5 0
2 years ago
Solving systems of equations using substitution. y=2x+8. y=5-x
kherson [118]

Answer:

(x, y) = (-1, 6)

Step-by-step explanation:

y = 2x + 8

y = 5 - x

Substituting the second equation into the first equation, we get:

5 - x = 2x + 8

5 = 3x + 8

-3 = 3x

x = -1.

So, y = 5 - (-1).

Simplifying, we get:

y = 6.

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2 years ago
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Ainat [17]

Answer:my xbox name is lunabgdrg

Step-by-step explanation:

that is all

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