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3 years ago

Can someone help me with this plz

Mathematics

2 answers:

Zepler [3.9K]3 years ago

3 0

2.8/2 = 1.4 per liter

3.9/12 = 0.325 per liter

Bottle of juices have a higher liter is 1.4

kirill [66]3 years ago

3 0

Answer:

the box is cheaper

Step-by-step explanation:

2L bottle=$2,8(1L=$1,4)

$6 \times 12 \: l \: bottle = 3.9(1l = \frac{0.65}{12} )$

the box is cheaper

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A paint company claims their paint will be completely dry within 45 minutes after application. Recently, customers have complain

Angelina_Jolie [31]

Answer:

The probability of observing a sample mean of x = 52 or greater from a sample size of 25 is 0.0000026

Step-by-step explanation:

Mean = $\mu = 45$

Population standard deviation = $\sigma = 6$

Sample size = n =25

Sample mean = $\bar{x} = 52$

We are supposed to find the probability of observing a sample mean of x = 52 or greater from a sample size of 25 i.e. $P(x\geq 52)$

$Z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}\\Z=\frac{52-45}{\frac{6}{\sqrt{25}}}$

Z=5.83

P(Z<52)=0.9999974

$P(Z\geq 52)=1-P(z$

Hence the probability of observing a sample mean of x = 52 or greater from a sample size of 25 is 0.0000026

3 0

3 years ago

Solve the inequalities 3x2 – 11x > 20

Bas_tet [7]

Answer:

x=-10

Step-by-step explanation:

3x · 3x=9x-11x>20

-2x>20

÷-2 -2

___________-

x=-10

Hope this helps ∞

5 0

2 years ago

5/6- 2/3= need answer plz

Natalka [10]

Answer:

0.16666666666

Step-by-step explanation:

5 0

2 years ago

A 2025633

Nataly_w [17]

Explanation is in the file

tinyurl.com/wpazsebu

5 0

2 years ago

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Lana took one and a half times as long as jayden to finish a project. If Lana took 15 days, how long did Jayden take ?

aev [14]

10 days. 15 divided by 1.5 is 10

6 0

3 years ago

Can someone help me with this plz​

Can someone help me with this plz