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nasty-shy [4]
4 years ago
7

Draw a number line to represent the inequality. y < 23

Mathematics
1 answer:
AleksandrR [38]4 years ago
5 0

Answer:

Number line is attached

Step-by-step explanation:

We are given inequality as

y

y is less than 23

so, we take all possible values that is less than 23

so, we can write interval as

For y

as

(-\infty,23)

now, we can draw a number line and locate y=23

and then shade left side of 23 region

that would be solution


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Sadie's dinner bill is $18, and she leaves
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Answer:

what is the question, true or false?

Step-by-step explanation:

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3 years ago
Use the given data to find the 95% confidence interval estimate of the population mean μ. Assume that the population has a norma
loris [4]

Answer: For 95% Confidence Interval:

Upper Limit = 110.2

Lower Limit = 97.8

95% Confidence Interval = [97.8, 110.2]

Step-by-step explanation:

Given that,

Mean(M) = 104

Standard Deviation(SD) = 10

Sample Size(n) = 10

Formula for calculating 95% Confidence Interval are as follows:

Standard error(SE) =\frac{SD}{\sqrt{n} }

                         = \frac{10}{\sqrt{10} }

                         = 3.164

⇒ M ± Z_{0.95} × SE

= 104 ± (1.96)(3.164)

= 104 ± 6.20

∴ Upper Limit = 104 + 6.20 = 110.2

   Lower Limit = 104 - 6.20 = 97.8

So,

95% Confidence Interval = [97.8, 110.2]

6 0
3 years ago
4) Jerry cuts a piece of paper from one corner to the other, as shown. How long is the cut edge (look at photo)
kirill115 [55]

Answer:

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Step-by-step explanation:

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3 years ago
What is 2 1/2 divided by 3 2/3
Zepler [3.9K]

Answer by JKismyhusbandbae:

\mathrm{Convert\:mixed\:numbers\:to\:improper\:fractions}:\quad 2\frac{1}{2}=\frac{5}{2}\\=\frac{5}{2}\div \:3\frac{2}{3}\\\mathrm{Convert\:mixed\:numbers\:to\:improper\:fractions}:\quad 3\frac{2}{3}=\frac{11}{3}\\=\frac{5}{2}\div \frac{11}{3}\\\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{b}\div \frac{c}{d}=\frac{a}{b}\times \frac{d}{c}\\=\frac{5}{2}\times \frac{3}{11}\\\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}\\

\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}\\=\frac{5\times \:3}{2\times \:11}\\\mathrm{Multiply\:the\:numbers:}\:5\times \:3=15\\=\frac{15}{2\times \:11}\\\mathrm{Multiply\:the\:numbers:}\:2\times \:11=22\\=\frac{15}{22}

5 0
3 years ago
15 miles from home after 20 minutes and 36 miles from home after 48 minutes. Proportional?
elena-s [515]

Answer: yes, they are proportional

Step-by-step explanation:

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15 x 48 = 720

36 x 20 = 720

6 0
3 years ago
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