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3 years ago

I chose the wrong screenshots for the last one, sorry about that!

Mathematics

2 answers:

Masja [62]3 years ago

8 0

Here you go mate. Look at the attachment

Alex Ar [27]3 years ago

5 0

Here goes your answer hope this helps

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PLEASE I BEG SOMEONE TO HELP

boyakko [2]

Answer:

16 + 3n

Step-by-step explanation:

a = 19 ; common difference = 22 - 19 = 3

a(n) = a + (n -1 ) *d

= 19 + (n-1)*3

= 19 + 3n - 3

= 16 + 3n

4 0

2 years ago

A dealer gains 16% by selling a mop for rs.78300.but due to competition in the market, he decides to make a profit of only 10%.

vesna_86 [32]

Answer:

The correct answer is - 72,349.2

Step-by-step explanation:

Given:

selling price = 7234.92

Initial profit = 16%

we know:

selling price = cost price + profit

Solution:

78300 = cp + 16*cp/100

profit = 78300*16/100 = 12528

cost price = 78300 - 12528 = 65772

then the profit on 10%

= 65772*10/100

= 6577.2

the new selling price = 65772+6577.2

= 72,349.2

3 0

3 years ago

Solve the absolute value equation and enter the solution in set notation. |2x−3|−7=0

ziro4ka [17]

Answer:

The solutions are −5 and 1 .

4 0

2 years ago

NASA is conducting an experiment to find out the fraction of people who black out at G forces greater than 6. In an earlier stud

SSSSS [86.1K]

Answer:

The large sample n = 190.44≅190

The large sample would be required in order to estimate the fraction of people who black out at 6 or more Gs at the 85% confidence level with an error of at most 0.04 is n = 190.44

Step-by-step explanation:

Given population proportion was estimated to be 0.3

p = 0.3

Given maximum of error E = 0.04

we know that maximum error

$M.E = \frac{Z_{\alpha } \sqrt{p(1-p)} }{\sqrt{n} }$

The 85% confidence level $z_{\alpha } = 1.44$

$\sqrt{n} = \frac{Z_{\alpha } \sqrt{p(1-p)} }{m.E}$

$\sqrt{n} = \frac{1.44X\sqrt{0.3(1-0.3} }{0.04}$

now calculation , we get

√n=13.80

now squaring on both sides n = 190.44

large sample n = 190.44≅190

Conclusion:-

Hence The large sample would be required in order to estimate the fraction of people who black out at 6 or more Gs at the 85% confidence level with an error of at most 0.04 is n = 190.44

7 0

3 years ago

A student always spends Thanksgiving with their family, who lives 99 miles away from their home in Houston. If it took them 9 ho

Harman [31]

The average speed for the trip is 11 miles per hour, or mph. 99 miles divided by 9 is 11

6 0

3 years ago