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Rom4ik [11]
3 years ago
7

Simplify 8u+9v+3u−5v

Mathematics
1 answer:
REY [17]3 years ago
8 0
Combine like terms:

11u+4v
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Mark works at the mall 3 hours on Friday and 5 hours on Saturday. He gets a
zvonat [6]

Answer:

$7.50

Step-by-step explanation:

3 hours + 5 hours = 8 hours

8 hours = $85 (total) - $25 (allowance)

8 hours = $60 (money earned from work)

1 hour = $60 ÷ 8 (hours he worked)

1 hour = $7.50

5 0
2 years ago
There are 20 socks in your drawer, and 12 of them are white. You grab a
Inessa [10]

Answer:

4/20

Step-by-step explanation:

8 socks we don't know

1 sock 19 socks

11 white

1 more sock 7 /20 chance to pick a random sock

3 0
3 years ago
Read 2 more answers
How did you get the 600?
Arisa [49]
By adding until there.
4 0
2 years ago
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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:

  • brainly.com/question/9369548
  • brainly.com/question/4932386
  • brainly.com/question/4097107

#learnwithBrainly

7 0
3 years ago
.y=x+2<br> y = 2x - 5<br> How do we solve this
otez555 [7]

Answer:

X=7

Y=9

Step-by-step explanation:

.y=x+2

y = 2x - 5

Use equivalents y=y so you get:

X+2=2x-5

X-2x=-5-2

-x=-7

X=7

Y=x+2=7+2=9

5 0
3 years ago
Read 2 more answers
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