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pashok25 [27]
3 years ago
11

Two equivalent expressions for 7x.

Mathematics
2 answers:
Alona [7]3 years ago
8 0
Rtgvdtghhvcdthhvh sorry phone glItChiNg
scoundrel [369]3 years ago
6 0

Answer:

Combine any like terms on each side of the equation: x-terms with x-terms and constants with constants. Arrange the terms in the same order, usually x-term before constants. If all of the terms in the two expressions are identical, then the two expressions are equivalent.

Step-by-step explanation:

Instructions! If you still dont get it Visit KhanAcademy.com! ^w^

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What is a verbal expression for 15+ r
frosja888 [35]
The sum of 15 and r.
Sum is the term used in verbal addition problems. 
This is an expression therefore, you do not state what it equals. We no this because there is no equals sign.

5 0
3 years ago
A real estate builder wishes to determine how house size (House) is influenced by family income (Income), family size (Size), an
creativ13 [48]

When analyzing the multiple regression model, the real estate builder should be concerned with Multicollinearity.

<h3 /><h3>What is Multicollinearity?</h3>

This is a phenomenon in regression analysis where some of the independent variables are correlated. This can present an issue because the correlation leads to less reliable results.

The income in this research is influenced by the education and they both influence family size. There is therefore an issue of multicollinearity here because some variables are correlated.

Find out more on Multicollinearity at brainly.com/question/16021902.

8 0
2 years ago
Kasey and her sister both sold cookie dough. Her sister sold three times as many tubs of cookie dough. If they sold a total of 8
Rufina [12.5K]
X= number of tubs Kasey sold
3x= number tubs sister sold

Add the number sold by Kasey and her sister to equal the total sold (88).

x + 3x= 88
combine like terms

4x= 88
divide both sides by 4

x= 22 number tubs Kasey sold


Number Sold by Sister
3x= 3(22)= 66


CHECK:
x + 3x= 88
22 + 3(22)= 88
22 + 66= 88
88= 88


ANSWER: Kasey sold 22 tubs and her sister sold 66 tubs.

Hope this helps! :)
7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20-%20x%20-%202%20%5Cdiv%20x%28x%20%7B%7D%5E%7B2%7D%20%20-%204%29" id="TexFormula1" title=" -
saw5 [17]

Answer:

Step-by-step explanation:

Hello,

First of all we will take any real number x different from 0, -2, +2 as dividing by 0 is not allowed and then we can write

\dfrac{( - x - 2)}{x(x^2 - 4)}=-\dfrac{x+2}{x(x-2)(x+2)}=\large \boxed{ -\dfrac{1}{x(x-2)}}

because we know that

x^2-4=x^2-2^2=(x-2)(x+2)

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

8 0
3 years ago
Combine like terms to create an equivalent expression<br> 3.26d+9.75d-2.65
Westkost [7]
13.01d - 2.65 because 3.26d and 9.75d combine (they’re like terms) and subtracting 2.65 stays the same because there are no like terms for that one
3 0
3 years ago
Read 2 more answers
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