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2 years ago

Write the decimal that represent the shaded portion on the model.

Mathematics

2 answers:

hodyreva [135]2 years ago

8 0

Answer:

.45

Step-by-step explanation:

AnnyKZ [126]2 years ago

3 0

Answer:

0.45

Step-by-step explanation:

Since 45 out of the 100 squares are shaded, it means the fraction would be 45/100 and 45/100 is equal to 0.45.

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makkiz [27]

Answer:

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Step-by-step explanation:

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2 years ago

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katen-ka-za [31]

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Step-by-step explanation:

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2 years ago

Given the equation y = -3x +1/2 , what is the y-intercept?

pychu [463]

y intercept = 1/2

Step-by-step explanation:

Step 1:

Formula y=mx+b in Slope Intercept form( whereas m= slope of the given equation, b= y intercept)

Step 2:

Comparing the given equation y = -3x + 1/2

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2 years ago

In order to solve the following system of equations by addition, which of the

Pavlova-9 [17]

Answer:

Multiply the top equation by -3 and the bottom equation by 2

Step-by-step explanation:

Given system of equations:

$\begin{cases}4x-2y=7\\3x-3y=15 \end{cases}$

To solve the given system of equations by addition, make one of the variables in both equations sum to zero. To do this, the chosen variable must have the same coefficient, but it should be negative in one equation and positive in the other, so that when the two equations are added together, the variable is eliminated.

To eliminate the variable y:

Multiply the top equation by -3 to make the coefficient of the y variable 6:

$\implies -3(4x-2y=7) \implies -12x+6y=-21$