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ELEN [110]
3 years ago
7

What is 4/9 + 1 1/5 =

Mathematics
2 answers:
faust18 [17]3 years ago
5 0

Answer:

2 29/45 or 119/45

Step-by-step explanation:

First, find a common denominator. I chose 45 (9x5) Multiply the numerator by what you multiplied the denominator by (4x5=20|9x5=45\11x9=99| 5x9=45)

Add the numerator next ( 20+99=119). Converted to a mixed number is 2 29/45

yarga [219]3 years ago
4 0

Answer:

74/45

Step-by-step explanation:

First convert 1 1/5 to an improper fraction (6/5)

Then you are going to need to look for a least common denominator between 6/5 and 4/9

The least common multiple between 5 and 9 is 45

Now you need to get the denominator of each fraction to 45 so that you can add them

To get 6/5 to have a denominator of 45, you will need to multiply the denominator (5) by 9. REMEMBER- whatever you do to the bottom you must also do to the top

If you multiply the 5 by 9, you must also multiply the 6 at the top by 9

So now you have 54/45 for the second fraction

To get the first fraction with a denominator of 45 you must multiply everything by 5 (20/45)

Now you can simply add straight across (54+20=74)

Remember to keep the denominator the same and you should end up with 74/45 (This cannot be simplified)

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Plz help me, thank you
Kruka [31]

Answer:

P=40(1.03526)^{t}

Step-by-step explanation:

<u>Exponential Growth </u>

The natural growth of some magnitudes can be modeled by the equation:

P=P_o(1+r)^{t}

Where P is the actual amount of the magnitude, Po is its initial amount, r is the growth rate and t is the time.

The initial number of bacteria is Po=40 and it doubles (P=2Po) at t=20 min. With that point we can find the value of r:

2P_o=P_o(1+r)^{20}

Simplifying:

(1+r)^{20}=2

Solving for 1+r:

1+r=\sqrt[20]{2}

1+r=1.03526

The exponential function that models the situation is:

\mathbf{P=40(1.03526)^{t}}

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3 years ago
How many rectangles are needed to draw the net of this object?
Murljashka [212]
Only three rectangles are needed, the one at the bottom and the two at the sides.
I hope this helps.
YOU'RE WELCOME :D
8 0
3 years ago
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iogann1982 [59]

Answer:

148 degrees

Step-by-step explanation:

32*2 = 64;

296/2 = 148 degrees.

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3 years ago
Sravya earns $42,820 per year in take home pay. What is the most money a housing expert would advise her to spend on a monthly m
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Answer:

Step-by-step explanation:

the most money a housing expert would advise her to spend on a monthly mortgage payment would be 1,645

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Answer:

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Step-by-step explanation:

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