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3 years ago

Consider the line y = 2x–4.

Mathematics

2 answers:

choli [55]3 years ago

8 0

Parallel slope = 2

This is because the original line has slope 2. Parallel lines have equal slopes.

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Perpendicular slope = -1/2

The original slope 2 or 2/1 turns into -1/2 after flipping the fraction and the sign. Note the original slope and perpendicular slope multiply to -1. This is true for any pair of perpendicular lines where neither line is vertical.

Dima020 [189]3 years ago

5 0

Answer:

the slope of the parallel line is 2x

the slope of line perpendicular is -1/2

Step-by-step explanation:

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Natali5045456 [20]

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2 years ago

Read 2 more answers

If yard is 3 feet long how many inches are in a yard

Alla [95]

There are 12 inches in a foot and if a yard is 3 feet then do:
3 x 12 and you get 36in
So there are 36 inches in a yard

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3 years ago

A company that offers tubing trips down a river rents tubes for a person to use for $20 and “cooler” tubes to carry food and wat

aivan3 [116]

The group rent 11 river rent tubes and 4 cooler tubes.

Step-by-step explanation:

Rent for river rent tube = $20

Rent for cooler tubes = $12.50

Total spent = $270

Total tubes rented = 15

Let,

x be the number of river rent tube.

y be the number of cooler tubes.

According to given statement;

x+y=15 Eqn 1

20x+12.50y=270 Eqn 2

Multiplying Eqn 1 by 20

$20(x+y=15)\\20x+20y=300\ \ \ Eqn\ 3$

Subtracting Eqn 2 from Eqn 3

$(20x+20y)-(20x+12.50y)=300-270\\20x+20y-20x-12.50y=30\\7.50y=30$

Dividing both sides by 7.5

$\frac{7.5y}{7.5}=\frac{30}{7.5}\\y=4$

Putting y=4 in Eqn 1

$x+4=15\\x=15-4\\x=11$

The group rent 11 river rent tubes and 4 cooler tubes.

Keywords: linear equations, subtraction

Learn more about linear equations at:

#LearnwithBrainly

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3 years ago

Write a 3-digit number that can be divided by 3 but not by 10.

NARA [144]

Answer:

999

Step-by-step explanation:

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3 years ago

According to the ratio of the age, if Rs. 216 is divided to the girls of age 8, 9 ad 10 yearsHow much money will each get

SSSSS [86.1K]

9514 1404 393

Answer:

8 years: Rs. 64
9 years: Rs. 72
10 years: Rs. 80

Step-by-step explanation:

The sum of ages is 8+9+10 = 27, so each year of age is rewarded by ...

216/27 = 8 . . . Rs

Then age 8 gets 8(Rs. 8) = Rs. 64

age 9 gets 9(Rs. 8) = Rs. 72

age 10 gets 10(Rs. 8) = Rs. 80

3 0

2 years ago