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2 years ago

Write a word phrase that can be represented by w - 69.

Mathematics

2 answers:

svlad2 [7]2 years ago

8 0

Answer:

The result of the subtraction between a number w and 69

Step-by-step explanation:

“W”= “a number w”

“-“= “less” but “a-b” = “the subtraction between a and b”

Then

“w - 69”= “The result of the subtraction between a number w and 69”

Umnica [9.8K]2 years ago

4 0

W-69 = 69 less than a number w

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Calculate. If possible, reduce your answers. 12+3·(11−15) =

katrin [286]

Answer:

Step-by-step explanation:

(11−15) = 4

12+3=15

15x4=60

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2 years ago

Read 2 more answers

Tell whether the lines through the given points are parallel, perpendicular, or neither?

Paha777 [63]

$Slope\,\,1=\frac{-1}{slope\,\,2}$

So, Both lines are perpendicular

Step-by-step explanation:

We need to identify if lines:

Line 1: (8,12)(7,-5)

Line 2: (-9,3)(8,2)

are parallel, perpendicular, or neither?

Lines are parallel if they have same slopes i.e slope 1= slope2
Lines are perpendicular if their slopes are negative inverses of each other i.e slope 1= -1/slope 2

The formula used to find slope is:

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

Finding Slope of Line 1:

The points are: Line 1: (8,12)(7,-5)

$x_1=8, y_1=12, x_2=7,y_2=-5$

Putting values in the formula:

$Slope\,\,1=\frac{y_2-y_1}{x_2-x_1}$

$Slope\,\,1=\frac{-5-(12)}{7-8}$

$Slope\,\,1=\frac{-5-12}{-1}$

$Slope\,\,1=\frac{-17}{-1}$

$Slope\,\,1=17$

So, Slope of line 1 is 17

Finding Slope of Line 2:

The points are: Line 2: (-9,3)(8,2)

$x_1=-9, y_1=3, x_2=8,y_2=2$

Putting values in the formula:

$Slope\,\,2=\frac{y_2-y_1}{x_2-x_1}$

$Slope\,\,2=\frac{2-(3)}{8-(-9)}$

$Slope\,\,2=\frac{2-3}{8+9}$

$Slope\,\,2=\frac{-1}{17}$

So, Slope of line 2 is $\frac{-1}{17}$

Since $Slope\,\,1=\frac{-1}{slope\,\,2}$

So, Both lines are perpendicular

Keywords: Slope of Lines

Learn more about Slope of lines at:

#learnwithBrainly

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3 years ago

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Alexus [3.1K]

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3 years ago

7×3.8<br><br><br>show me the work you did to get the answer

timama [110]

5
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2 years ago