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3 years ago

PLEASE HELPPPPPPPPPPPPPPPPPPPPP

Mathematics

1 answer:

astra-53 [7]3 years ago

3 0

Answer:

348

Step-by-step explanation:

Length-l

Width-w

Height-h

A=2(wl+hl+hw)=2·(8·9+6·9+6·8)=348

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Sixety five divided by fifteen

oee [108]

Answer:

the answer is 4 with a remainder of three

7 0

3 years ago

The proportion of students who own a cell phone on college campuses across the country has increased tremendously over the past

galina1969 [7]

Complete Question

The complete question is shown on the uploaded image

Answer:

1 ) The correct option B

2) The correct option is C

3) The correct option is C

4) The correct option is C

Step-by-step explanation:

From the question we are told that

The proportion that own a cell phone is $p = 0.90$

The sample size is n = 15

Generally the appropriate distribution for X is mathematically represented as

$X \ is \ B( n , p )$

$X \ is \ B( 15 , 0.90 )$

Generally the number students that own a cell phone in a simple random sample of 15 students is mathematically represented as

$\mu = n * p$

$\mu = 15 * 0.90$

$\mu = 13.5$

Generally the standard deviation of the number of students who own a cell phone in a simple random sample of 15 students is mathematically represented as

$\sigma = \sqrt{ n * p * q }$

Where q is mathematically evaluated as

$q = 1- p$

$q = 1- 0.90$

$q = 0.10$

$\sigma = \sqrt{ 15 * 0.90 * 0.10 }$

$\sigma = 1.16$

Generally the probability that all students in a simple random sample of 15 students own a cell phone is mathematically represented as

$P(X = 15) = \left 15} \atop {}} \right.C_{15} * p^{15} * q^{15 - 15}$

$P(X = 15) = \left 15} \atop {}} \right.C_{15} * (0.90)^{15} * (0.10 )^{15 - 15}$

From the combination calculator is $\left 15} \atop {}} \right.C_{15} = 1$

$P(X = 15) = 1 * 0.205891 * 1$

$P(X = 15) = 0.206$

7 0

3 years ago

HELP PLEASE!! EXTRA POINTS AND BRAINLIEST WILL BE GIVEN!!

mezya [45]

Answer:

0.02651

Step-by-step explanation:

P(all 5 are boys) =

$\frac{7}{12} \times \frac{6}{11} \times \frac{5}{10} \times \frac{4}{9} \times \frac{3}{8}$

= 0.02651 ( wow low)

3 0

3 years ago

1/6d + 2/3 = 1/4(d-2)

xxMikexx [17]

D = 14

1/6d + 2/3 = 1/4d - 1/2
2d + 4*2 = 3d - 6
2d - 3d = -6-8
-d = -14
d = 14

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3 years ago

The Apple bars in a Kit Kat candy bar you divide each of the four balls in half write an expression to show the math draw a mode

Sergio039 [100]

This... this makes no sense :')

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