3 years ago

Choose 3 values for x that would make this inequality true. 24 > 2 ( x + 2)

Mathematics

1 answer:

Aleks [24]3 years ago

8 0

0, 1, 2
all are less than 24

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3.629 rounded to the nearest tenth?

Nastasia [14]

Answer: Hello, 6

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...

Step-by-step explanation:

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3 years ago

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The heights of women aged 20 to 29 are approximately normal with mean 64 inches and standard deviation 2.7 inches. Men the same

san4es73 [151]

Answer:

Step-by-step explanation:

$Z=\frac{x-mu}{\sigma }$

X - Heights of women aged 20 to 29: X is N(64, 2.7)

Y - Heights of men aged 20 to 29: X is N(69.3, 2.8)

a) X=6'=72"

Z= $\frac{72-64}{2.7} =2.963$

b) Y = 72"

z= $\frac{72-69.3}{2.8} =0.965$

c) 72' women can be taken as very tall but men moderately taller than average

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Z< $\frac{65-69.3}{2.8} =-1.536$

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3 years ago

a student required to 40% marks to pass in exam he got 190 marks and fail with 10 marks. find total marks?

Andrej [43]

Answer:

500

Step-by-step explanation:

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2 years ago

If a person invested half of her money at 9% and half at 7% and received $160 interest, find the total amount of money invested.

mr Goodwill [35]

Answer:

$2000

Step-by-step explanation:

let x be the money she invested

lets assume this was for 1 year

0.09(x/2) + 0.07(x/2) = 160

multiply each side by 2 to cancel the denominators:

0.09x + 0.07x = 320

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andrew-mc [135]

Answer: C

Step-by-step explanation: Hope this help :D

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