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Elan Coil [88]
2 years ago
11

The Burj Khalifa, a building in Dubai, United Arab Emirates, is about 828 meters tall. Brody is making a scale model of this bui

lding, using the scale factor 1:500.
To the nearest tenth, how tall should Brody's model of the Burj Khalifa be?

Enter your answer as a decimal in the box.

m
Mathematics
1 answer:
rewona [7]2 years ago
8 0

Answer:

1.7 is the answer hope this helps.

Step-by-step explanation:

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A sample of 16 items from population 1 has a sample variance 5.8 and a sample of 21 items from population 2 has a sample varianc
Nady [450]

Answer:

Reject the null hypothesis.

Step-by-step explanation:

n1 = 16

n2 = 21

S.V1 = 5.8

S.V2 = 2.4

\alpha = 0.05

H_{0} = Population Variance 1 ≤  Population Variance 2

H_{a} = Population Variance 1 >  Population Variance 2

Test statistic value = 5.8 / 2.4 = 2.417

Degrees of freedom is n - 1

15 and 20

Critical value is F_{0.05} = 2.2

2.417 > 2.2

we reject the null hypothesis as the critical value is greater than the test statistic.

3 0
3 years ago
Write an equation in point slope form of the he that passes through the point (2.1) and has a slope of 2
Wewaii [24]

Answer:

y=2x-3

Step-by-step explanation:

show work

1=(2*2)+b

1=4+b

1-4=-3

-3=b

check work

y=2x-3

y=(2*2)-3

y=4-3

y=1

5 0
3 years ago
Read 2 more answers
624 feet to 702 feet state whether the percent of the change is an increase or decrease
Ghella [55]

Answer:

The percent of change is an increase.

Step-by-step explanation:

624 has been changed to 702.

Percent change = [(Value after - Value before ) / Value before]*100

                          =\frac{702-624}{624}*100

                          =\frac{78}{624}*100

So we can clearly see that percentage change is a positive change. This means that the Value after change is higher than value before the change. So the percent of change is an increase.

8 0
3 years ago
An airport shuttle company owns cars that have a maximum capacity of 4 passengers and vans that have a maximum capacity of 9 pas
Veronika [31]

Answer:

what is the subject and grade please tell

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Plz.Help!me to solve first ano. and bno.​
OverLord2011 [107]

Answer:

a) rs 3000

b) rs 16800

a) rs 1600

b) rs 4000

6 0
3 years ago
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