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3 years ago

12

Can someone please explain to me what the "subtraction property of equality" is?

2 answers:

mojhsa [17]3 years ago

6 0

It means that when both sides of an equation have the same number subtracted from them the remaining expressions are equal. ( ......Hope that I helped you...... )

steposvetlana [31]3 years ago

3 0

The subtraction property of equality means that
a=b and c=d then a-c=b-d or
a=b and c=c, then a-c=b-c
basically when 2 things are equal, and you subtract the same value from both sides, the equation remains equal

or
a+c=b=c simlifies to a=b where you can simlify the same thing from both sides and retain the equality

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What is the equation of the given line in the point-slope form

Genrish500 [490]

First using the given two points we can find the slope (m) of the line

$Slope = m = \frac{Rise}{Run} \\ \\ 
m= \frac{4-1}{3-0} \\ \\ 
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Thus the slope of given line is 1.

Using slope and a point (0,1) we can write the equation in point slope form as

y - 1= 1(x-0)
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The above equation is the point-slope form of the equation.

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3 years ago

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Step-by-step explanation:

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How many solutions does this<br>quadratic have?<br>f(x) = -4x2 + 12x - 9

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Answer:

one, (1.5, 0)

Step-by-step explanation:

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3 years ago

Jordan is mixing water and flour to make tortillas. The number cups of water, w needed for f cups of flour is described by the e

Tresset [83]

Answer:

$1\frac{1}{3}$ cups of flour.

Step-by-step explanation:

Given that:

$w$ is the number of cups of water to be mixed with flour for making tortillas.

$f$ is the number of cups of flour to be mixed with water for making tortillas.

Relation between $w$ and $f$ is given by the equation:

$w=0.75f$

To find:

Number of cups of flour to be added if number of cups of water to be used is 1.

Solution:

We are given an equation with two variables.

Value of one variable is given and we have to find the value of other variable.

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Number of cups of flour to be added = $1\frac{1}{3}$

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2 years ago

A book exhibition was held for four days in a schoolthe number of tickets sold at the counter on the first secend third and four

bija089 [108]

Answer:

7707 tickets

Step-by-step explanation:

From the question we know that:

the number of tickets sold at the counter on

First day = 1094 tickets

Second day = 1812 tickets

Third day = 2050 tickets

Fourth day = 2751 tickets

The total number of tickets sold on all the four days is calculated as:

(1094 + 1812 + 2050 + 2751)tickets

= 7707 tickets

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3 years ago