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krek1111 [17]
3 years ago
7

How can you decide which variable to solve first when you are solving a linear system by substitution

Mathematics
1 answer:
pshichka [43]3 years ago
6 0
I think you need to solve for x first to make the equation easier or simple.
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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
Mai invested $7000 in a money-market fund that paid 6.2% simple interest . What was the value of her account at the end of 18 mo
boyakko [2]
Depends it could be 14812 if they want total value or just the interest would be 7812
5 0
3 years ago
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2. Sophia scored 42 points in 3 games. How many points would you expect her to make in 11 games?​
igomit [66]

Answer:

154

Step-by-step explanation:

42/3=14

14*11=154

6 0
2 years ago
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PLEASE HELP!! Will give brainliest if you give explanation!
MArishka [77]
The equation in slope-intercept is   y=0.625x+7.    


y = mx + b

where: 
m is the slope of the line 
b is the y-intercept of the line

The slope m of the line through any two points (x1, y1) and (x2, y2) is given by:

The y-intercept b of the line is the value of y at the point where the line crosses the y axis. Since for point (x1, y1) we have y1 = mx1 + b, the y-intercept b can be calculated by:

b = y1 - mx<span>1.    hope that helped</span>

3 0
3 years ago
Use the figure below to find the values of x and y
irinina [24]

Step-by-step explanation:

hey.. everyone please

Vmwaajtexf

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3 0
2 years ago
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