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IRINA_888 [86]
3 years ago
7

6 / 5+i Perform the indicated operations and express the result in standard form.

Mathematics
1 answer:
baherus [9]3 years ago
6 0
1.2+I that the answer is correct
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What is the minimum number of clients the travel agent should survey? Note that z=1.96 for a 95% confidence interval.
slega [8]

Answer:

121

Step-by-step explanation:

Given data as per the question

Standard deviation = \sigma = 840

Margin of error = E = 150

Confidence level = c = 95%

For 95% confidence, z = 1.96

based on the above information, the minimum number of clients surveyed by the travel agent is

n = (\frac{z\times \sigma}{E})^2

=  (\frac{1.96\times 840}{150})^2

= 120.47

= 121

hence, the 121 number of clients to be surveyed

Therefore we applied the above formula to determine the minimum number of clients

4 0
3 years ago
What is the final amount is 2250 is decreased by 2% followed by a further 3% decreased?Give your answer rounded to 2 do
Bas_tet [7]

Answer:

100-2=98

2250/100x98=2450

100-3 = 97

2450/100 X 97= 2376.50

6 0
2 years ago
What is the lead coefficient of the polynomial below?<br> 3x^2+ 8x + 5
galben [10]

Answer:

The lead coefficient is 8

Step-by-step explanation:

This is because it is the biggest number that is right before the x or that is the coefficient.

4 0
2 years ago
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What is 1.25 times 10 to the 7th power in standard notation
Viefleur [7K]

Answer:

12,500,000. You simply move the decimal point over to the right 7 times.

5 0
3 years ago
Leah flips a coin, then spins a spinner with 3 equal sides colored red, green, and blue. what is the probability that she:
pickupchik [31]

Answer:

the probability that she rolls a blue is 33.3% or 1/3. the probability that she lands heads is 50% or 1/2

5 0
2 years ago
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