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Nataliya [291]
2 years ago
14

Someone help ill give brianliest this is due tomorrow please help asap please!!!!

Mathematics
1 answer:
AveGali [126]2 years ago
6 0

Answer:

1. regular octagon mirror, has equal sides

rectangular table, has 2 equal sides

2.yes because homes and buildings everywhere.

Step-by-step explanation:

sry if wrong

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A new battery is expected to have a storage capacity of 60 ampere-hour (A h). A sample is tested, resulting in a 2-side confiden
antoniya [11.8K]

Answer:

Option B) The battery storage capacity is significantly different than 60 Ah, at a confidence level of 95 %    

Step-by-step explanation:

We are given the following in the question:

Mean storage capacity = 60 ampere-hour

95% confidence interval =

63\leq \mu \leq 72

Thus, the correct answer based on the confidence interval is

Option B) The battery storage capacity is significantly different than 60 Ah, at a confidence level of 95 %

Since it is a two sided test we test whether the mean storage capacity is 60 Ah or different than 60 Ah

Thus, the battery storage is different from 60 Ah because the mean storage capacity does not lie in the 95% confidence interval.

4 0
3 years ago
Find the value of -(-2x+1)=9-14x
Elodia [21]
2x - 1 = 9 - 14x

16x - 1= 9

16x = 10

x = 10/16
x= 5/8 is the answer
7 0
3 years ago
Find the center of the equation 4x2 + y2 + 8%-5= 0.<br> O (-1,0)<br> (1,0)<br> (2.0)
balu736 [363]
Vertex: 0,4.92
focus: 0,4.8575
axis of symmetry: x = 0
directrix: y = 4.9825
3 0
3 years ago
Solve x/-3 = -15.<br><br> A.) -45<br> B.) 5<br> C.) -5<br> D.) 45<br> this is multiple choice
Fiesta28 [93]

Answer:

x= 45

Step-by-step explanation:

x= -15*-3

x= 45

6 0
3 years ago
An arrangement of flowers originally priced at $48.00 is marked down to $39.00. What is the percent of decrease, rounded to the
Mashcka [7]
The answer is C

So how?

I multiplied 48*.19= 9.12 then subtracted that from 48 and got 38.88 which rounds to 39

C is the answer

I hope this helps! :D
6 0
3 years ago
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