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alexdok [17]
2 years ago
7

Increase 40 by 1/2 I need help, im bad at mathematics.

Mathematics
1 answer:
Bess [88]2 years ago
6 0

Answer:

The answer is :60

Step-by-step explanation:

Hmmmm...... because

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Its the third one hope this helps

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3 years ago
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47 in = ? ft ? in<br><br> 3 ft 11 in<br><br> 4 ft 0 in<br><br> 3 ft 9 in<br><br> 564 ft 0 in
Veseljchak [2.6K]

Answer:

3ft 11 in

Step-by-step explanation:

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2 years ago
1. The US Mint has a specification that pennies have a mean weight of 2.5g. From a sample of 37 pennies, the mean weight is foun
Evgesh-ka [11]

Answer:

the pennies does not conform to the US mints specification

Step-by-step explanation:

z = (variate -mean)/ standard deviation

z= 2.5 - 2.4991 / 0.01648 = 0.0546

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checking for z= 0.0 under 55 gives 0.0219 (value gotten from the table of normal distribution)

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since 0.4781 > 0.05claim, therefore, the pennies does not conform to the US mints specification

the claim state a 5% significance level whereas the calculated significance level is 47.81%. therefore, the claim should be rejected

7 0
3 years ago
A castle has to be guarded 24 hours a day five knights are ordered to split each day's guard duty equally how long will each kni
disa [49]

Answer:

Each knight will 4.8 hrs spend on guard in one day

Step-by-step explanation:

A castle has to be guarded 24 hours a day 5 knights are ordered to split each day's guard duty equally

Each knights has to guard equally l.e for equal time .

That means 24 hours time has to be equally divided among the 5 knights

= 24 / 5 = 4.8

Each knight will spend on guard in one day = 4.8 hrs

4 0
2 years ago
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The answer is (n^-3)^6
The fourth option
3 0
3 years ago
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