Q: If an atom contains 12 protons and 10 neutrons, what's its mass number?
A. 22
B. 10
C. 12
D. 2

A: If an atom contains 12 protons and 10 neutrons, its mass number is: 22. Mass number = Number of protons + Number of neutrons.
12 +10 = 22

Expert answered|vjmeneses01|Points 126|

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Asked 10/5/2013 11:45:24 PM

Updated 244 days ago|9/26/2016 5:51:31 AM

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Fire emits the most radiation.

Added 8/3/2014 4:40:14 PM

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Confirmed by selymi [9/1/2014 6:17:34 AM]

In a controlled experiment, the factor tested is called the
A. dependent variable.
B. constant.
C. control.
D. independent variable.
**Weegy:** In a controlled experiment, the factor tested is called the independent variable. (More)

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Updated 244 days ago|9/26/2016 5:49:30 AM

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_______ contains "The Great Red Spot," a storm twice as wide as Earth.
A. Uranus
B. Saturn
C. Jupiter
D. Mars

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Updated 2/12/2016 4:24:11 PM

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Jupiter contains "The Great Red Spot," a storm twice as wide as Earth.

Added 2/12/2016 4:24:11 PM

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How many more people preferred WWCN than WANR?
A. 236
B. 76
C. 164
D. 68
**Weegy:** the answer is D. 76 **User:** Kent worked in the housewares section of a department store. This year he set a record high for vacuum sales with 567 vacuums sold. The previous high was last year, when 540 vacuums were sold. What is the percent of increase in sales from last year to this year?
A. 105%
B. 5%
C. 50%
D. 20%
**Weegy:** The increase is 27 vacuums, which is 5% over last year. 27/540*100=5 **User:** During a hoagie sale fundraiser, a ski club sold 42 Italian hoagies and 53 roast beef hoagies. What is the ratio of Italian hoagies sold to the total number of hoagies sold?
A. 42:53
B. 53:42
C. 42:95
D. 53:95
**Weegy:** A. 42:95 is the ratio of Italian hoagies sold(42) to the total number of hoagies sold(95) **User:** Which channel is the most popular one for the evening news?
A. WANR
B. WCLM
C. WWCN
D. WKOD
**Weegy:** B. WWCN **User:** If you're currently making $6.75 per hour and you're offered a new job that pays $7.47 per hour, how much more would you make per hour at the new job?
A. $1.28
B. $.28
C. $1.72
D. $.72
**Weegy:** I will make A. $.72 more per hour at the new job. **User:** Quinzel earns $1,254 each month. His total deductions are 20% of his pay. How much is deducted from his pay each month?
A. $62.70
B. $245.72
C. $250.80
D. $627.20
**Weegy:** it will be letter A. $250.8. simply multiply 1,254 by .20 **User:** Change 12.39% to a decimal.
A. 123.9
B. 1.239
C. 12.39
D. 0.1239 **Weegy:** A. 0.1239 **User:** Change the fraction 3/4 to a percent.
A. 63%
B. 75%
C. 34%
D. 133%
**Weegy:** A. 75% = 3/4 **User:** Angelo earns $2,080 each month. His total deductions are 30% of his pay. How much is deducted from his pay each month?
A. $62.40
B. $624.00
C. $69.33
D. $693.33 **Weegy:** B. $624.00 **User:** Theresa worked 9 hours on Monday and 7 hours on Wednesday. Her total pay was $116.00. What is her rate per hour?
A. $12.89
B. $8.29
C. $7.25
D. $16.57
**Weegy:** A. $7.25 is her rate per hour **User:** A real estate broker ... (More)

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Updated 11/3/2014 8:59:07 PM

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The least common multiple of 2, 5, 6, and 9 is 90 .

Added 11/3/2014 8:59:07 PM

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Confirmed by yumdrea [11/4/2014 1:18:10 PM]

The process of uplift is associated with
A. formation of rivers.
B. erosion.
C. sedimentation.
D. mountain building.

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Updated 9/7/2014 6:55:09 AM

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The scientifically accepted age of Earth is
A. 4.28 billion years.
B. 4.54 billion years.
C. 4.03 billion years.
D. 4 billion years. **Weegy:** The scientifically accepted age of Earth is B. 4.54 billion years.
You can fine more information here:
**User:** Which of the following is not a scientific classification of rock?
A. Composite
B. Igneous
C. Metamorphic
D. Sedimentary
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Updated 9/6/2014 11:58:24 AM

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