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iren [92.7K]
2 years ago
9

Lena took a nap . she fell asleep at 11:37a.m and she woke up at 1:24p.m. how long did she sleep?

Mathematics
1 answer:
zalisa [80]2 years ago
6 0
1 hour and 57 minutes
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Alvin's age is three times Elgas age. The sum of their ages is 36. What is Elgas age?
olchik [2.2K]

Answer:

Elgas is 9 years old.

Step-by-step explanation:

Alvin: 3 x Elgas

36: Alvin + Elgas

36 / 4 : 9

Elgas: 9

Alvin: 27

To check: 27 + 9= 36

3 0
3 years ago
Oakville is a fungal disease that infects oak trees scientists have discovered that a single tree in a small forest is infected
Galina-37 [17]

Answer:

I solved part a

To solve this question, we need to solve an exponential equation, which we do applying the natural logarithm to both sides of the equation, getting that it will take 7.6 years for for 21 of the trees to become infected.

PART C

The logarithmic model is: g(x)= in x/0.4

We are given an exponential function, for the amount of infected trees f(x) after x years.To find the amount years needed for the number of infected trees to reach x, we find the inverse function, applying the natural logarithm.

Step-by-step explanation:

mark me brainliest!!

4 0
2 years ago
Write (3a)^3 without exponents
makkiz [27]

Answer: 27a^3

It is 27a^3 because if you do 3×3=9 then 9×3= 27

7 0
2 years ago
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A rotation ____________ a figure around a fixed point called the center of<br> ________________.
Irina-Kira [14]

Answer:

A rotation ____on the coordinate plane________ a figure around a fixed point called the center of

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4 0
2 years ago
How do I solve this????<br><br> Simply the following 3 2/7 + 2 3/14 + 4 3/7.
IrinaVladis [17]
It will be
3 4/14+2 3/14+4 6/14=9 13/14
8 0
3 years ago
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