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KIM [24]
3 years ago
6

There are two unknowns you are trying to find, and you cannot express one in terms of the other. Describe how you could use alge

bra to solve for the unknowns.
Mathematics
1 answer:
serious [3.7K]3 years ago
4 0

Answer:

When you solve systems with two variables and therefore two equations, the ... of any variable is 1, which means you can easily solve for it in terms of the other ... In the substitution method, you use one equation to solve for one variable and ... Look for a variable with a coefficient of 1 … that's how you'll know where to begin.

Step-by-step explanation:

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Drag the tiles to the boxes to form correct pairs
sergiy2304 [10]

( -  \frac{3}{4} )( \frac{7}{8} )

=  \frac{ - 3}{4}  \times  \frac{7}{8}

=  \frac{ - 21}{32}

_______________________________________

( \frac{2}{3} )( - 4)(9)

=  \frac{2}{3}  \times  - 4 \times 9

=  \frac{ - 72}{3}

=  - 24

_______________________________________

( \frac{5}{16} )( - 2)( - 4)( -  \frac{4}{5} )

=  \frac{5}{16}  \times  - 2 \times  - 4 \times  \frac{ - 4}{5}

=  \frac{ - 160}{80}

=  \frac{ - 16}{8}

=  - 2

_______________________________________

(2 \frac{3}{5} )( \frac{7}{9} )

=  \frac{13}{5}  \times  \frac{7}{9}

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3 0
3 years ago
What is 1/2+1/4+20.00?
dimulka [17.4K]
0.5 + 0.25 + 20.00 = 20.75
7 0
3 years ago
Read 2 more answers
An expression that uses variables to state a rule is a ______
nikdorinn [45]

<u>Formula</u>

<em>An expression that uses variables to state a rule is a </em><u><em>formula</em></u>

<h2>Explanation:</h2>

An expression that uses variables to state a rule is a formula. It's important to know that formulas uses the equals sign (=) and includes two or more variables. Formulas gives us information that we express symbolically. For example, the well known formula for the volume of a sphere is defined as:

V=\frac{4}{3} \pi r^3 \\ \\ \\ Where: \\ \\ V:Volume \ of \ the \ sphere \\ \\ r:Radius \ of \ the \ sphere

So in this formula we have a relationship between the volume of a sphere and its radius, so if we have information about the radius of it we can easily calculate the volume of it.

<h2>Learn more:</h2>

Volume of prism: brainly.com/question/12501166

#LearnWithBrainly

7 0
3 years ago
Read 2 more answers
The perimeter of an equilateral triangle is 5.1 m. How long are its sides?
Alja [10]

Answer:

1.7 meters

Step-by-step explanation:

because an equilateral triangle has 3 sides and they are all the same you can just divide 5.1 by 3

5.1 / 3 = 1.7

it is 1.7 m

7 0
2 years ago
Read 2 more answers
JUST DO 6 and 22 pleasss!!!
Hatshy [7]

Answer:

Step-by-step explanation:

x=intercept is when the line intersect with the x axis when y=0

6: x intercept (1,0)

y intercept is when the line intersect with y axis at certain point or when x=0

y intercept (0.-24)

22: (8,0) x intercept

(0 , 4) the y-intercept

8 0
3 years ago
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