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jolli1 [7]
3 years ago
5

If the sum of a number and six is doubled, the result is eight less than the number

Mathematics
1 answer:
LekaFEV [45]3 years ago
8 0
(x+6)2 = x - 8
give me one moment
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Happy paws charges $19 plus $5.50 per hour to keep a dog during the day. Woof watches charges $10.00 plus $6.75 per hour complet
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You easily add up all the numbers.$19.00+$5.50=24.50.24.50+10.00=34.50.34.50+6.75=35.25.So it is $35.25 per hour.
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Math surface area help plz
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So, use the formula:

A = .5(8)(27)

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3 years ago
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The value of a particular antique is estimated to be £122000.
swat32
The answer is 134505
5 0
3 years ago
Explain how the words term and coefficient are used in talking about the algebraic expression.
cupoosta [38]
<h2><u>Answer:</u></h2>

The <u>algebraic expressions</u> are composed of several elements: Terms, Coefficients, Signs, Variables and Exponents. In this case we will focus on the first two.

<u>The terms</u> are composed of sign, coefficient, variable and exponent. The terms are separated from each other by the plus sign (+) or the minus sign (-).

For example, in the following expression:

2x-3x

We have two terms separated by the negative sign (-):

2x is the first term

-3x is the second term

Now, <u>the coefficients</u> are the numbers that multiply the variable. <u>Note that if this coefficient is one (1) it is omitted .</u>

For example in the following expression, the variable is x:

2x-3x+x

2 is the coefficient of x in the first term

-3 is the coefficient of x in the second term

1 is the coefficient of x in the third term, <u>but is omitted </u>


In order to understand this in a better way, see the figure attached, where the algebraic expression is composed by one term.

6 0
3 years ago
The mass of an electron is approximately 9 × 10-28 grams, while the mass of a neutron is approximately 2 × 10-24 grams. Which of
aalyn [17]

Answer: the mass of a neutron is approximately 2,000 times the mass of an electron

Step-by-step explanation:

- the easiest way to solve this (in my opinion) is to simply divide the mass of a neutron by the mass of an electron

- 2 x10^{-24} / (9 x10^{-28} )

=  (2/9) x10^{-24--28}

=  (2/9)x10^{-24+28}

≈  0.2222x10^{28-24}

≈ 0.2222x10^{4}

≈ which is approximately 2222    

- so 2222 is approximately 2000 times

- therefore, the mass of a neutron is approximately 2,000 times the mass of an electron

hope this helps :)

4 0
2 years ago
Read 2 more answers
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