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3 years ago

Which measurement is equivalent to 2.34 m??

1 answer:

7 0

Metric convertion are neede to know the measurement that equivalent to 2.34 m.
m to cm
2.34 m = 2.34 m ( 100 cm / 1m)= 234 m
m to km
2.34 m = 2.34 m ( 1 km / 1000 km)= 0.00234 km
m to mm
2.34 m = 2.34 m ( 1000 mm / 1 m)= 2340 mm

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AfilCa [17]

Answer:

18m

Step-by-step explanation:

Since the given traingles are similar

We get

$\frac{JK}{MN} = \frac{KL}{ML}$

$\frac{JK}{42} = \frac{21}{49}$

$JK = \frac{21 \times 42}{49}$

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$JK = 3 \times 6 = 18$

$JK = 18$

Hence the distance across river is 18m

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2 years ago

A golfer keeps track of his score for playing nine holes of golf (half a normal golf round). His mean score is 8080 with a sta

solniwko [45]

Answer:

Therefore the mean and standard deviation of his total score if he plays a full 18 holes are 160 and $11\sqrt2$ respectively.

Step-by-step explanation:

Given that,

For the first 9 holes X:

E(X) = 80

SD(X)=13

For the second 9 holes Y:

E(Y) = 80

SD(Y)=13

For the sum W=X+Y, the following properties holds for means , variance and standard deviation :

E(W)=E(X)+E(Y)

and

V(W)=V(X)+V(Y)

⇒SD²(W)=SD²(X)+SD²(Y) [ Variance = (standard deviation)²]

$\Rightarrow SD(W)=\sqrt{SD^2(X)+SD^2(Y)}$

∴E(W)=E(X)+E(Y) = 80 +80=160

and

∴ $SD(W)=\sqrt{SD^2(X)+SD^2(Y)}$

$=\sqrt{11^2+11^2}$

$=\sqrt{2.11^2}$

$=11\sqrt2$

Therefore the mean and standard deviation of his total score if he plays a full 18 holes are 160 and $11\sqrt2$ respectively.

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3 years ago

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Answer:

Step-by-step explanation:

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d) yes, because 62.5% of people who support candidate x are from California, but only 50% of all people in the study are from California.

The answer is D.

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