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Sloan [31]
3 years ago
13

M

Mathematics
1 answer:
DIA [1.3K]3 years ago
3 0

Answer:

89

Step-by-step explanation:

number has to fall in between eighty eight and ninety

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Function? {(10, 20), (11, 22), (11, 24), (13, 26)} ​
Dmitry [639]

Answer:

The relation is not a function.

Step-by-step explanation:

6 0
3 years ago
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In circle P, chord AB is 3 inches from the center and chord CD is 5 inches from the center. Chord CD is ____ than chord AB.
Leno4ka [110]
The chord that goes through the center of a circle, the diameter, is the longest chord in a circle.  Any other chord will be shorter than this.  The farther a chord is away from the circle, the shorter it will be.  This means that chord CD is shorter than chord AB.
5 0
3 years ago
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Simplify (2/3)^-1 Show your work!
lawyer [7]

Answer:

3/2

Step-by-step explanation:

Apply exponent rule: a^-1 = 1/a

(2/3)^1 = 1/2/3

Apply the fraction rule: 1/a/c = c/b

3/2

5 0
3 years ago
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What is the median of this set of data: 593, 588, 540, 434, 420, 398, 390, 375
Aleks04 [339]

<u>Answer:</u>

<u><em>426</em></u>

<u />

<u>Explanation:</u>

To find the median number in a set of data start by reordering the data from least to greatest.

<em>original data set:</em>

<em>593, 588, 540, 434, 420, 398, 390, 375</em>

<em />

<em>data set from least to greatest:</em>

<em>375, 390, 398, 420, 434, 540, 588, 593</em>

<em />

Next, you would usually just have to find the middle number in the data set and that would be your median. However, this data set has no one number that is directly in the middle. So, we will add both middle numbers together and then divide our answer by two.

<em>375, 390, 398, </em><em>420, 434</em><em>, 540, 588, 593</em>

<em />

<em>420 + 434 = 854</em>

<em />

<em>854 ÷ 2 = 426</em>

<em />

Therefore, the median of the given data set is <em><u>426.</u></em>

5 0
3 years ago
The height of a tree in feet over x years is modeled by the function f(x). f(x)=301+29e−0.5x which statements are true about the
Karo-lina-s [1.5K]
Given this equation:

f(x)=301+29^{-0.5x}

That represents t<span>he height of a tree in feet over (x) years. Let's analyze each statement according to figure 1 that shows the graph of this equation.
</span>
The tree's maximum height is limited to 30 ft.

As shown in figure below, the tree is not limited, so this statement is false.

<span>The tree is initially 2 ft tall

The tree was planted in x = 0, so evaluating the function for this value, we have:

</span>f(0)=301+29^{-0.5(0)}=301+1=302ft
<span>
<span>So, the tree is initially \boxed{302ft} tall.
</span>
Therefore this statement is false.

</span>Between the 5th and 7th years, the tree grows approximately 7 ft.
<span>
if x = 5 then:

</span>f(5)=301+29^{-0.5(5)}=301ft<span>

</span>if x = 7 then:

f(7)=301+29e^{0.5(7)}=301ft

So, between the 5th and 7th years the height of the tree remains constant
:
\Delta=f(7)-f(5)=301-301=0ft

This is also a false statement.

<span>After growing 15 ft, the tree's rate of growth decreases.</span>

It is reasonable to think that the height of this tree finally will be 301ft. Why? well, if x grows without bound, then the term 29^{-\infty} approaches zero.

Therefore this statement is also false.

Conclusion: After being planted this tree won't grow. 


4 0
3 years ago
Read 2 more answers
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