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2 years ago

10

What property allows you to conclude that 5x+7x=12x

1 answer:

Andrei [34K]2 years ago

6 0

Since both of the numbers have a variable which is x ready to be multiplied, there is no expression leading to the variable therefore you will add normally but you will need to put the missing variable which needs to be multiplied. So overall you can just add and once you get your variable you can be abe to multiply and get your final answer.

Hope this helps

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2 years ago

Find the equation of a line that contains the points (3,7) and (-6, 4). Write the equation in slope-intercept form, using

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Answer:

$y=\frac{1}{3} x+6$

Step-by-step explanation:

$(3,7)(-6,4)$

Step 1. Find the slope (by using the slope-formula)

m = slope

$m=\frac{y_2-y_1}{x_2-x_1}$

$m=\frac{4-7}{-6-3}$

$m=\frac{-3}{-9}$

$m=\frac{3}{9}$

$m=\frac{1}{3}$

Step 2. Write the equation (using the slope and the points)

Here's how to do it:

Slope-intercept Formula $y=mx+b$ whrere m = slope and b = y-intercept

Plug in the slope into the Slope-intercept Formula

$y=\frac{1}{3} x+b$

Find the y-intercept (b) by using a point and substituting their x and y values

$y=\frac{1}{3} x+b$

Point: (3, 7)

$7=\frac{1}{3} (3)+b$

$7=1+b$

$b=7-1$

$b=6$

Step 3. Write the equation in Slope-intercept form

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2 years ago

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Airida [17]

Answer:

Step-by-step explanation:

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3 years ago

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diamong [38]

Answer:

<em>Eunice 3510; Suin 7020</em>

Step-by-step explanation:

<em>Eunice bought 585 beads.</em>

<em>Jennifer bought 6 times more than Eunice</em> but half of the total of beads Suin bought.

Eunice: 6 * 585 = 3510

Jennifer bought 6 times more than Eunice but <em>half of the total of beads Suin bought.</em>

<em>Suin: 3510 * 2 = 7020</em>

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3 years ago