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Advocard [28]
2 years ago
5

Tanya enters 5 9 into her calculator and the display shows: 0.55555556 Choose all the true statements about this situation: A) 5

9 is rational because its decimal form terminates. B) 5 9 is rational because its decimal form repeats. C) 5 9 is rational because 5 and 9 are integers. D) 5 9 is irrational because its decimal form is non-terminating. E) 5 9 is irrational because its decimal form is non-repeating.
Mathematics
1 answer:
meriva2 years ago
8 0

Answer:

c

Step-by-step explanation:

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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
Answer asap please!!
morpeh [17]
60.
Multiply
3 by 20.
You can do this on paper,
20
x
3
____
60
Multiply the ones spot first, 0 x 3 is 0 so add that in your ones spot, then go 2x3 since nothing is under to, just go to 3 and you’ll get 6, which you add to the tens spot.
Have a good day!
6 0
3 years ago
Are the mods awake or they sleep?
salantis [7]

Answer:

What is a mod?

Step-by-step explanation:

4 0
2 years ago
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-10k = 20 <br> Please help I really dont understand.
algol [13]

Answer: Divide each term by − 10  and simplify.

k = −2

6 0
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Solve for x.<br> 5(x + 1) = 4(X + 8)<br> What’s the answer ?
dem82 [27]

Answer:

x = 27

Step-by-step explanation:

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3 years ago
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