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Luba_88 [7]
2 years ago
6

Tianna had to write a 15-page essay for her science class. She completed 30% of it in class. How many more pages does she need t

o write?
Mathematics
1 answer:
Oxana [17]2 years ago
4 0

search it

Step-by-step explanation:

open a search engine and type 30% of 15 then subtract

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What is a fraction close to but greater than 1
Nesterboy [21]
100/99 is one, there are infinite answers though
7 0
3 years ago
In a metal fabrication​ process, metal rods are produced to a specified target length of 15 feet. Suppose that the lengths are n
Leto [7]

Answer:

95% Confidence interval: (14.4537 ,15.1463)

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 15 feet

Sample mean, \bar{x} = 14.8 feet

Sample size, n = 16

Alpha, α = 0.05

Sample standard deviation, σ = 0.65 feet

Degree of freedom = n - 1 = 15

95% Confidence interval:

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 15 and}~\alpha_{0.05} = \pm 2.1314  

14.8 \pm 2.1314(\dfrac{0.65}{\sqrt{16}} ) \\\\= 14.8 \pm 0.3463 = (14.4537 ,15.1463)  

is the required confidence interval for the true mean length of rods.

3 0
3 years ago
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Which statement about converting metric units of measurement is true? Use the metric table to help answer the question,
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Answer:

To find the number of hectograms in 4.5 kilograms, multiply 4.5 by 10.

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your welcome

Step-by-step explanation:

7 0
3 years ago
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Ms. Cassidy plotted the point (2, 3) on Miguel’s graph of y < 2x – 4. She instructed him to change one number or one symbol i
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Step-by-step explanation:

5 0
3 years ago
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Find the area of this shape
Korolek [52]

Answer:

1496π square meters

Step-by-step explanation:

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  = 918π + 578π

  =1496π

6 0
3 years ago
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