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Mathematics

1 answer:

fomenos2 years ago

5 0

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Solve the equation 7+3m=28 A)m=18 B)m=11 2/3 C)m=9 D)m=7

Shtirlitz [24]

Firstly, you would subtract 7 from both sides, leaving you with 3m=21. You would then divide by three in order to be left with total value of m. 3m divided by 3 is m. 21 divided by 3 is 7. Therefore m=7 :)

6 0

3 years ago

A state vector X for a four-state Markov chain is such that the system is four times as likely to be in state 2 as in 4, is not

GREYUIT [131]

All the components in the state vector need to sum to 1. You're given that component corresponding to state 1 is 0.2, and that the component for state 3 is 0.

That leaves states 2 and 4, for which you're told that the component for state 2 is four times as large. If $x_i$ is the component for state $i$ , then you have

$x_1+x_2+x_3+x_4=1\iff 0.2+4x_4+0+x_4=1\implies5x_4=0.8\implies x_4=0.16$

which means $x_2=4x_4=0.64$ . So the state vector is $\mathbf x=(0.2,0.64,0,0.16)$ .

8 0

3 years ago

725% work in an organisation 52% of employees or post graduate and the remaining are not post graduate find the number of employ

Liono4ka [1.6K]

Answer: 348

Step-by-step explanation:

Given : Total employees work = 725

Proportion of employees are post graduate = 52%

Proportion of employees are not post graduate = 100%-52% = 48%

The number of employees were not post graduate = 48% of 725

= 0.48 x 725

= 348

Hence, the number of employees were not post graduate = 348

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3 years ago

1 in/2.54 cm = 90 in/? cm

nirvana33 [79]

1/2.54 = 90/x

Cross multiply
(1)x = (2.54)(90)

x would equal 228.6

The answer would be 90 in/ 228.6 cm.

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3 years ago

Formula to find volume of a right triangular prism

ozzi

The formula is base x height

7 0

3 years ago

Will give brainliest if right​

Will give brainliest if right