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iragen [17]
2 years ago
13

Evaluate each expression.

Mathematics
2 answers:
Kitty [74]2 years ago
8 0
The fraction form is 125/343

the decimal form is 0.36
GREYUIT [131]2 years ago
7 0

Answer:

125/343

Step-by-step explanation:

This question asks for us to evaluate: (5/7)³

  • When a number has an exponent, the number gets multiplied by itself according to the amount of the exponent.

(5/7)³

- 5/7 x 5/7 x 5/7

= 25/49 x 5/7

= 125/343

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Covert 4,400 centimeters to meters
patriot [66]

Answer:

44 meters

Step-by-step explanation:

4400 cm                 1m

-----------   times  --------

m                       100 cm      

4400/100

44 meters

6 0
3 years ago
Read 2 more answers
Help, please and thanks!
azamat
B.
X-17=-5
Add 17 to both sides

-5+17=12
7 0
3 years ago
Central High School has 5 times as many desktop computers as laptops. The school
larisa [96]

Answer:

9000 seee

Step-by-step explanation:

Moy 2000y 50000

8 0
3 years ago
A power plant has 4 tons of coal. a ton of coal produces 2,460 kilowatt hours of electricity. is this enough to power 9 light bu
igomit [66]

Assuming 100 kw bulb

<span>We'll start by figuring out how much energy in kilowatt-hours the light bulb uses per year. We multiply how much power it uses in kilowatts, by the number of hours in a year. That gives 0.1 kW x 8,760 hours or </span>876 kWh x 9 bulbs = 7884 kWh

 

The electricity produced by 4 tons x 2460 kWh/ton = 9840 kwh

<span>Since the produced electricity is bigger so it is enough</span>

5 0
3 years ago
The safety inspector in a large city wants to estimate the proportion of buildings in the city that are in violation of fire cod
Drupady [299]

Answer:

Proportion of buildings in the city that have fire code violations: 10%

Uncertainty 0.3 = 30%

Step-by-step explanation:

This situation complies with a binomial model where p is the probability of finding a building having fire code violations and q=1-p

Since in random sample of 40 buildings chosen for inspection 4 of them are found to have fire code violations, the proportion  is 4/40 = 0.1 or 10% and  p=0.1 as well.

<em>In a</em> <em>binomial model the standard deviation s is: </em>

<em>\large s=\sqrt{npq} </em>

<em>where n is the sample size</em>. So

\large s=\sqrt{40*0.1*0.9}=1.8974

and the uncertainty is the standard error SE

\large SE=\frac{s}{\sqrt{n}}=\frac{1.8974}{\sqrt{40}}=0.3=30\%

7 0
3 years ago
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