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3 years ago

11

The mixed number 3 1/2 is equivalent to a fraction with a denominator of 2. 3One-half = StartFraction question mark over 2 EndFr

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1 answer:

lina2011 [118]3 years ago

6 0

Answer:

3 1/2 = 7/2

Step-by-step explanation:

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9. An express delivery service advertises next-day delivery of any parcel it receives before 3PM. The actual success rate is 90%

Juli2301 [7.4K]

Answer:

a) P(X =16 ) = 0.1853

b) $P(X \leq 12)$ = 0.0684

Step-by-step explanation:

GIVEN DATA:

n = 16

p = 0.90

from relation given probabllity can be solve

$P(X) = ^nC_x * p^x * ( 1 - p)^{n-x}$

a)

$P(X =16 ) = ^{16}C_{16} * 0.90^x * ( 1 - 0.90)^{16-16}$

P(X =16 ) = 0.1853

b) $P(X \leq 12) = 1 - P(X \geq 13)$

= 1 - [ P(X = 13) +P(X = 14) +P(X = 15) +P(X = 16) ]

$= 1 - [ ^{16}C_{13} * 0.90^{13} * (1 - 0.90)^3 +^{16}C_{14} * 0.90^{14} * (1 - 0.90)^2 +^{16}C_{15} * 0.90^{15} * (1 - 0.90)^1 +^{16}C_{16} * 0.90^{16} * (1 - 0.90)^0 ]$

= 0.0684

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3 years ago

What is the area of 4 1/2 feet wide and 6 1/2 feet long

Vaselesa [24]

Answer: 29 1/4

Step-by-step explanation:

Multiply and simplify to 29 1/4

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3 years ago

CosA.cosecA=cotA can you please help me with this

chubhunter [2.5K]

CscA = 1/sinA

CosACscA = cosA × 1/sinA = cosA/SinA = cotA

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Answer:

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Step-by-step explanation:

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3 years ago

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Lunna [17]

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3 years ago