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Nuetrik [128]
3 years ago
10

Blood pressure values are often reported to the nearest 5 mmhg (100, 105, 110, etc.). the actual blood pressure values for nine

randomly selected individuals are given below. 128.6 137.4 148.4 140.0 123.7 132.0 118.3 141.5 143.2 (a) what is the median of the reported blood pressure values?
Mathematics
1 answer:
sergeinik [125]3 years ago
4 0

Solution:

Given data: 128.6, 137.4, 148.4, 140.0, 123.7, 132.0, 118.3, 141.5, 143.2

Arrange in ascending order,

118.3, 123.7, 128.6, 132.0, 137.4, 140.0, 141.5, 143.2, 148.4

The number of entries are 9.

Median = (n + 1)th/2

= (9 + 1)th/2

= 5th

= 137.4

Hence, the median is 137.4.


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Which statement is NOT true? A. All isosceles triangles are also equilateral triangles. B. All equilateral triangles are also is
Alecsey [184]
Hello there!

The statement that would NOT be true would be option A. All isosceles triangles are also equilateral triangles. The rest of the statements would be TRUE.


Hope this helps and have a great day! :)
5 0
3 years ago
The pH of a substance added to a citrate buffer, y, depending on the ratio of citric acid to sodium citrate, x, can be modeled u
Charra [1.4K]

Answer:

Yes it's A. 0.79

Step-by-step explanation:

You plug in 6.5 into the y-value since it asks to find the ratio,x, if the pHis 6.5. Then you can solve using a calculator to get 0.79432, or 0.79

5 0
3 years ago
Read 2 more answers
The perimeter of a rectangular garden is 42 feet. The length of the garden is 5 feet more than twice the width. Find the length
zlopas [31]

Answer:

W=5.3, l= 15.6

Step-by-step explanation:

Perimeter of a rectangle p=2(l+w)

P= 42

W= x

L= 5+2x therefore 42=2(5+2x+x)

42=10+6x , 32=6x

Make x subject of formula

X=32/6 x=5.3 there for w=5.3

Where L= 5+2x ; L=5+2(5.3)

L therefore = 15.6

3 0
3 years ago
Please help will mark brainliest​
german

Answer:

y = 5.5

Step-by-step explanation:

y = 22 * 0.5^2

=> 22* 0.25

=> 5.5

Hope this helps!      :3

plz mark as brainliest!

7 0
3 years ago
Can someone please help I need a clear explanation on how to solve this equation.
nikitadnepr [17]
B = amount of students who chose Bulldog

n = amount of students who chose lion

t = amount of students who chose tiger

so.. "t" chose tiger, ok

"<span>Four times as many students chose Bulldog as chose Tiger"
namely, if "t" chose tiger, then 4 times that many chose Bulldog, thus

b = 4t

"</span><span>Twice as many students chose Lion as chose Tiger"
namely, if "t" students chose tiger, twice as many chose lion

n = 2t

now, we know a total of 273 students were surveyed, thus

</span>\bf \begin{cases}&#10;b+n+t=273\\&#10;\boxed{4t}+\boxed{2t}+t=273&#10;\end{cases}&#10;\\\\\\&#10;7t=273\implies t=\cfrac{273}{7}\impliedby \textit{that many chose \underline{tiger}}<span>
</span>
6 0
3 years ago
Read 2 more answers
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