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Kipish [7]
3 years ago
12

What is the absolute value of –18 19 ? Write your answer as a fraction.

Mathematics
1 answer:
fenix001 [56]3 years ago
3 0

Answer:

\frac{18}{19}

Step-by-step explanation:

The absolute value of a number is how far away it is from 0 on the number line. Even though \frac{-18}{19} is a negative number, the absolute value wouldn't be \frac{-18}{19}, because distance can't be negative. Hence the absolute value of \frac{-18}{19} is \frac{18}{19}.

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A 99% confidence interval for the sugar content (per 5 oz. serving) of a shipment of strawberries is 5.9 to 8.3 grams.
gavmur [86]

Answer:

Sample mean = 7.1

Margin of error = 0.465

Step-by-step explanation:

Formula for confidence interval is;

CI = x¯ ± zE

Where;

x¯ is sample mean

z is critical value at confidence level

E is margin of error.

z for 99% Cl is 2.58

We are told the CI is 5.9 to 8.3.

Thus;

5.9 = x¯ - 2.58E - - - - (1)

8.3 = x¯ + 2.58E - - - - (2)

Add both equations together to get;

14.2 = 2x¯

x¯ = 14.2/2

x¯ = 7.1

Put 7.1 for x¯ in eq 1 to get;

5.9 = 7.1 - 2.58E

7.1 - 5.9 = 2.58E

E = 1.2/2.58

E = 0.465

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3 years ago
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gregori [183]
It is 6.4 times longer
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Please help. Question #12
Ira Lisetskai [31]

Answer:

Step-by-step explanation:

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3 years ago
Does the 4 in 4,567 have the same value as the 4 in 34,811
Strike441 [17]

Hey there!

Yes! The 4 in 4,567 has a value of 4,000 & the 4 in 34,811 has a value of 4,000

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Hope this helps you!

God bless ❤️

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5 0
3 years ago
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(x^3-4)(2x+5)
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3 years ago
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