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Gelneren [198K]
2 years ago
14

Help me plz thanks my friend

Mathematics
1 answer:
NikAS [45]2 years ago
6 0

Answer:

I believe the answer would be 21.

Step-by-step explanation:

the shadow of the tall flag is three times the small flag, so the height of the flag should also be three times the height.  which is 21

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What is the slope of the line y = 3?<br><br> A. undefined <br><br> B. 0<br><br> C. 3<br><br> D. -3
Ludmilka [50]
Hold your arms out side to side. thats undefined so it's not A. its B
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2 years ago
(15.34) The level of nitrogen oxides (NOX) in the exhaust of cars of a particular model varies Normally with mean 0.21 g/mi and
MrMuchimi

Answer:

a level of significance of 0.01 = 1%

Step-by-step explanation:

given

Z = 0.0001

mean μ=0.21 g/mi

variate x= 0.21 + 0.03

standard deviation σ= 0.05 g/mi.

N = sample population  20 cars

z = (x −μ )/[σ /√N  ]

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Z = 2.63 +- 0.0001

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checking the level of significance table from a statistical book gives

a level of significance of 0.01 = 1%

therefore the null hypothesis is accepted.

7 0
3 years ago
What is 3.4x.61? And how do I solve it
Olin [163]

Answer:

Step-by-step explanation:

Answer: 2.074

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3 0
2 years ago
Question Progress
vredina [299]

Step-by-step explanation:

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-5 45

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Write a whole number that rounds to 9000 if we are rounding to the nearest thousand
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9001

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3 years ago
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