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denpristay [2]
4 years ago
15

Please help me with this

Mathematics
2 answers:
Usimov [2.4K]4 years ago
7 0
The answer is B. B explains the problem in number format.
LekaFEV [45]4 years ago
5 0
B is the answer. Hope I helped!!
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In which type of statistical study is the population influenced by researchers?
Tema [17]

Answer:

literacy rate

Step-by-step explanation:

reasearchers know hot to read and write

5 0
3 years ago
Read 2 more answers
#2 Your 18% tip on a meal at a restaurant was $5.40. How much was the bill?
timama [110]
$38.67

Bill $38.67
Tip 15%
Tip amount $5.80
Total bill $44.47
5 0
3 years ago
The number of coins Jada will have on the eighth day, if Jada starts with one coin and the number of coins doubles every day. (S
Katyanochek1 [597]

Answer:

256 Coins

Step-by-step explanation:

On the first day, Jada starts with one coin, so all you have to do here is multiply it by 2.

Day 1: 2 coins

Day 2: 2 x 2 = 4 coins

Day 3: 4 x 2 = 8 coins

Day 4: 8 x 2 = 16 coins

Day 5: 16 x 2 = 32 coins

Day 6: 32 x 2 = 64 coins

Day 7: 64 x 2 = 128 coins

Day 8: 128 x 2 = 256 coins

Hope this helps! Just message me if you have more questions or need more help! :)

8 0
3 years ago
A random sample of 12 chemists from Washington stats shows an average salary of $39,420 with a standard deviation of $1659. A ra
cestrela7 [59]

Answer:

Step-by-step explanation:

Given that :

μ1 = 39420 ; σ1 = 1659 ; s1 = 12

μ2 = 30215 ; σ2 = 4116 ; s2 = 26

df1 = 12 - 1 = 11

df2 = 26 - 1 = 25

98 % confidence interval of the difference in sample means :

Pooled Variance :

S²p = ((df1 * s1²) + (df2 * s2²)) / (df1 + df2)

((11×1659^2)+(25×4116^2))÷(11+25) = 12605874.75

Standard Error :

√(S²p/n1) + (S²p/n2)

√(12605874.75/12) + (12605874.75/26)

= 1239.0847

8 0
3 years ago
You dont need to help with the second one just the first one
exis [7]

Answer:

2x-16

Step-by-step explanation:

distribute......

8 0
3 years ago
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