4 years ago

Mathia question order or operations

Mathematics

1 answer:

eduard4 years ago

7 0

Answer:

Step-by-step explanation:

Use pemdas

Use P and do (2+2)

then E 2^3 to get 8

Now you have 9-4/4+8*5

Do M and D To get 9-1+45

Now add and subtract to get your answer

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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

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

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

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

A variable needs to be eliminated to solve the system of equations below. Choose the correct first step. - 9x + 107=-126 — 9x —

Svetach [21]

Answer:

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3 years ago

Explain how you would write 423,090,709,000 in word form

vfiekz [6]

Four hundred twenty-three billion, ninety million, seven hundred nine thousand

Hope this helped:))

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4 years ago

Powers of 5

Korvikt [17]

Answer:

divide the previous value by 5

Step-by-step explanation:

125/5 = 25

25/5 = 5

5/5 = 1

1/5 = ⅕

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3 years ago

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Lostsunrise [7]

What’s the question??

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3 years ago