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evablogger [386]
3 years ago
10

During the day,Sam spent $4.85 on lunch.he also bought 2 books for $7.95 each. At the end of the day we had $8.20 left how much

money did he start with.
Mathematics
1 answer:
Vlada [557]3 years ago
7 0
20.75 because if you add 4.85+7.95+7.95 add that you get 20.75

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Which list shows the in greatest to least?<br><br>(NEED ASAP)
NeX [460]

The answer is B.

\frac{14}{5} = \frac{28}{10}

\frac{5}{2} = \frac{25}{10}

1\frac{3}{10} = \frac{13}{10}

\frac{3}{5} = \frac{6}{10}

If you find a common denominator, the process becomes much easier. I hope this was helpful.

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Plz help me: what is the solution for : |x| -6 = 4
Lisa [10]

Answer:

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Step-by-step explanation:

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ale4655 [162]

Answer: 0.000021 in scientific notation is

2.1 × 10-5

Step-by-step explanation:

All numbers in scientific notation or standard form are written in the form

m × 10n, where m is a number between 1 and 10 ( 1 ≤ |m| < 10 ) and the exponent n is a positive or negative integer.

To convert 0.000021 into scientific notation, follow these steps:

Move the decimal 5 times to right in the number so that the resulting number, m = 2.1, is greater than or equal to 1 but less than 10

Since we moved the decimal to the right the exponent n is negative

n = -5

Write in the scientific notation form m × 10n

= 2.1 × 10-5

Therefore,

2.1 × 10-5 is the scientific notation form of 0.000021 number and 2.1e-5 is the scientific e-notation form for 0.000021

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3 0
3 years ago
Help mee
Rina8888 [55]

Answer:

a percent is a variable of proportionality describing the part of the whole.

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3 years ago
Which sentence best contrasts Greg’s father and Lemon Brown, in "The Treasure of Lemon Brown”? Lemon Brown has shown a deep conc
Vika [28.1K]

Answer:

the correct answer will be B i took the test and got a 100%

Step-by-step explanation:

B. Lemon Brown has lived a more exciting life of a musician, while Greg’s father lives a more stable existence as a postal worker.

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