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ratelena [41]
3 years ago
14

HELP! i’ll mark brainliest right away!

Mathematics
2 answers:
sashaice [31]3 years ago
6 0

Answer:

15 have a good day

Step-by-step explanation:

Lunna [17]3 years ago
3 0
15 is this answer to the question
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Plz help me it's very important I pass
Elis [28]
The answer is 30%) because all the angles of a triangle needs to add up to 180 so 180-75-75= 30
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In 36 years, amy will be 3 times as old as she is right now. how old is she now?
Bezzdna [24]
She would be 12 years old as 12•3 is equal to 36 years. (:
7 0
3 years ago
Read 2 more answers
A soft drink manufacturer wishes to know how many soft drinks adults drink each week. They want to construct a 85% confidence in
andreev551 [17]

Answer: 547

Step-by-step explanation: The margin of error formulae is given below as

Margin of error = critical value ×(σ/√n)

Where σ = standard deviation and n is the sample size.

From our question, margin of error = 0.08

Variance is 1.691,

hence σ = √variance = √1.691

= 1.3.

We will be using a z test for our critical value this is because a soft drink manufacturer will always produce drinks more than 30 in numbers.

The critical value for a 85% confidence interval is 1.44.

Hence critical value is 1.44.

By substituting the parameters, we have that

0.08 = 1.44 × 1.3/ √n

0.08 = 1.873/ √n

By cross multiplying

0.08 × √n = 1.873

√n = 1.873/ 0.08

√n = 23.41

n = (23.41)²

n = 547.

7 0
3 years ago
You are charged 6.5% tax on a 42% purchase. Find the amount of tax
Rus_ich [418]
Assuming you means 6.5% tax of a $42 purchase

0.065*42=2.73

tax is $2.73
7 0
3 years ago
HELP!!!!<br> ILL DO ANYTHING<br> HELP<br> HELP<br> HELP
topjm [15]

Answer:

16 i think

Step-by-step explanation:

8 0
3 years ago
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