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PtichkaEL [24]
3 years ago
7

You have 1240 acres of land, and each acre is worth $52. How much is your land worth in total?

Mathematics
1 answer:
murzikaleks [220]3 years ago
5 0
If one acre is $52, you would multiply 1240 by 52. Your land in total is worth $64,480.
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Answer:

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3 years ago
in 2 h, kelly laid new floor tile over 1/5 of the room. when she was joined by annette, the rest of the work was completed in 3h
jeyben [28]

Answer: Annette will take 6 hours to do the entire job alone.

Step-by-step explanation:

Given: Time taken by Kelly to do \dfrac{1}{5} of job = 2 hours

i.e. Time for complete job done alone by Kelly =5\times2=10\ hours

Rest of work = 1-\dfrac{1}{5}=\dfrac{4}{5} of the job

\dfrac{4}{5}  of the complete job done by both Kelly and Annette in 3 hours

Time would be taken by then to do entire job together = 3\times\dfrac{5}{4}=3.75\ hours

Let t be the time taken by Annette to do job alone.

Then, as per situation

\dfrac{1}{3.75}=\dfrac{1}{10}+\dfrac{1}{t}\\\\\Rightarrow\ \dfrac{1}{t}=\dfrac{1}{3.75}-\dfrac{1}{10}\\\\\Rightarrow\ \dfrac{1}{t}=\dfrac{4}{15}-\dfrac{1}{10}\\\\\Rightarrow\ \dfrac{1}{t}=\dfrac{1}{6}\\\\\Rightarrow\ t=6

hence, Annette will take 6 hours to do the entire job alone.

7 0
3 years ago
The first four terms of an arithmetic sequence are 28, 20, 12, and 4. which term of the sequence is -36
Charra [1.4K]
For an arithmetic sequence, the nth term is the first term plus (n-1)×the differece
the first term is 28, the difference between each adjacent number is 8
so -36=(28)+8(n-1)
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n-1=8
n=9
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3 years ago
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Luden [163]

Answer:

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Step-by-step explanation:

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3 years ago
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Bogdan [553]

Answer:

Step-by-step explanation:

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m∠VWX + 86° = 155°

m∠VWX = 69°

6 0
3 years ago
Read 2 more answers
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