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strojnjashka [21]
3 years ago
7

Help plz

Mathematics
1 answer:
Pani-rosa [81]3 years ago
5 0

Answer:

The length of the building in the drawing  =  37 centimeter

Step-by-step explanation:

Here, the given scale is 1 centimeter : 3 meters

Now, the actual length of the given building is 111 meters.

Let us assume the length of the building in the drawing  =  k centimeter

So, according to the question:

k centimeters = 111 meters

Now, 1 cm  = 3 m

\implies 1 m = (\frac{1}{3})  cm\\\implies 111 m = 111 \times (\frac{1}{3})  cm  = 37 cm

or, k = 37 cm

or, 37 cm  =  111 meters

Hence, the length of the building in the drawing  =  37 centimeter

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Minchanka [31]

Answer:

107,778

Step-by-step explanation:

7 0
2 years ago
Find x pleaseee :) :)
balu736 [363]

Answer:

it is 6

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A ski gondola carries skiers to the top of a mountain. assume that weights of skiers are normally distributed with a mean of 199
Allushta [10]
A) maximum mean weight of passengers = <span>load limit ÷ number of passengers
</span><span>
maximum mean weight of passengers = 3750 </span>÷ 25 = <span>150lb

</span>B)  First, find the z-score:
z = (value - mean) / stdev
   = (150 - 199) / 41
   = -1.20

We need to find P(z > -1.20) = 1 - P(z < -1.20)

Now, look at a standard normal table to find <span>P(z < -1.20) = 0.11507, therefore:
</span>P(z > -1.20) = 1 - <span>0.11507 = 0.8849

Hence, <span>the probability that the mean weight of 25 randomly selected skiers exceeds 150lb is about 88.5%</span> </span>

C) With only 20 passengers, the new maximum mean weight of passengers = 3750 ÷ 20 = <span>187.5lb

Let's repeat the steps of point B)

z = (187.5 - 199) / 41
   = -0.29

P(z > -0.29) = 1 - P(z < -0.29) = 1 - 0.3859 = 0.6141

</span>Hence, <span>the probability that the mean weight of 20 randomly selected skiers exceeds 187.5lb is about 61.4%

D) The mean weight of skiers is 199lb, therefore:
number</span> of passengers = <span>load limit ÷ <span>mean weight of passengers
                                     = 3750 </span></span><span>÷ 199
                                     = 18.8
The new capacity of 20 skiers is safer than 25 skiers, but we cannot consider it safe enough, since the maximum capacity should be of 18 skiers.</span>
4 0
3 years ago
What is the answer to this
ICE Princess25 [194]

2. -28

5. -60

8. -135

The answers are above. :)

7 0
3 years ago
John had 84 dollars, and his brother Fred owed 12 dollars to his friend. John gave his brother some money. Fred paid his debt an
Alja [10]

Answer:

John have $36 and he should give $48 to his brother for both to have equal money.

Step-by-step explanation:

Given that,

amount of money John have = $84

amount of money John's brother owed to her friend = $12

$12 of the $84 is going to his brother's friend, that leaves $72 for John and his brother.

If they are to finish with the same amount, then each should have half of the John's money after he paid $12

So,

72/2

= 36 each

but since John's brother have to give 12 rupees in debt so

36+12

= $48

So John should have $36 and he should give $48 to his brother.

4 0
3 years ago
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