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valentina_108 [34]
3 years ago
5

What system of equations can be used to ring s, the cost in dollars of each standard photo and w, the cost in dollars of each wa

llet photo ?

Mathematics
1 answer:
Vaselesa [24]3 years ago
6 0

Answer:

A

Step-by-step explanation:

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Assume that 33.4% of people have sleepwalked. Assume that in a random sample of 1459 ​adults, 526 have sleepwalked.
lutik1710 [3]

Answer:

Step-by-step explanation:

Given that  33.4% of people have sleepwalked.

Sample size n =1459

Sample favourable persons = 526

Sample proportion p = \frac{526}{1459} \\=0.361

Sample proportion p is normal for large samples with mean = 0.334 and

std error = \sqrt{\frac{pq}{n} } \\=\sqrt{\frac{0.334(1-0.334)}{1459} } \\=0.0123

a) P(526 or more of the 1459 adults have sleepwalked.)

=P(p\geq 0.361)\\=P(Z\geq \frac{0.361-0.334}{0.0123} \\=P(Z\geq 2.20)\\=0.5-0.4861\\=0.0139

b) Yes, because hardly 1.4% is the probability

c) 33.4 is very less compared to the average.  Either sample should be improved representing the population or population mean should be increased accordingly.

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3 years ago
What type of number is v5?
scoundrel [369]
The square root 5 is irrational because a square root of a positive number is either an integer or irrational number. Therefore it is irrational.
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3 years ago
Point O is between points Mand N on line segment MN. O is the midpoint of line segment MN if
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Diagram:
M------------O-------------N
................. ^ midpoint
Obviously if O is the *mid*point, then it is exactly halfway between M and N. That also means it has bisected the segment into two equal parts.
On one side you have MO (or OM, if you like)
On the other side you have ON.
In order for O to be the midpoint:
ON = OM
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Is the relationship between the amount of gas and pressure direct or indirect? Explain your answer
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Answer:

INDIRECT!

see below

Step-by-step explanation:

A law that says that if the temperature is constant then  the volume of a fixed amount of a gas is <u>inversely proportional</u> to its pressure.If the pressure on a gas increases, the volume of the gas decreases because the gas particles are getting closer together.

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3 years ago
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