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klasskru [66]
3 years ago
10

Help now fast please

Mathematics
2 answers:
Daniel [21]3 years ago
6 0

Step-by-step explanation:

(1+2)/(2+2)= 3/4 is the slope

Damm [24]3 years ago
3 0

Answer:

3/4 or .75

Step-by-step explanation:

slope = dy/dx

dy = 1 - -2 = 3

dx = 2 - -2 = 4

slope = 3/4

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In which situation would hydrogen bonding be present?
Law Incorporation [45]

Answer:

D

Step-by-step explanation:

lol this is a weird math question

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Hydrogen bonds occur only when hydrogen is covalently bonded to one of three elements: fluorine, oxygen, or nitrogen. Anything else isn't considered a hydrogen bond.

4 0
3 years ago
Solve the system of linear equations by substitution. <br> x + 4y = 6 <br> x - y = 1
bulgar [2K]

9514 1404 393

Answer:

  (x, y) = (2, 1)

Step-by-step explanation:

Use the second equation to write an expression for x:

  x = 1 +y

Substitute that into the first equation:

  (1 +y) +4y = 6

  5y = 5 . . . . . . . . subtract 1, collect terms

  y = 1 . . . . . . . divide by 5

  x = 1 +1 = 2 . . . use the expression for x to find x from y

The solution is (x, y) = (2, 1).

6 0
3 years ago
In a bag of marbles, 10 are blue, 30 are yellow, 20 are red, and 40 are green.AN marbles is taken from the bag without looking.
Ilya [14]

Answer:

green

Step-by-step explanation:

there are more green marbles than any other color

3 0
3 years ago
Read 2 more answers
A rectangle has a length of (5x+2) and a width of (3x-7). Find the perimeter of the rectangle.
lara [203]
- 3x and 4 find the perimeter
7 0
3 years ago
A piece of string is 112 inches long. Isabel wants to cut it into 2 pieces so that one piece is three times as long as the other
lukranit [14]
Answer:28inches & 84inches

First, lets write an equation that fits the data given. The string is 112 inches long. When the two pieces are cut, the first piece will be three times as long as the second piece. If we use the variable, x, to represent the second piece, we can create the following equation...

112=3x+x

Now lets solve for x.

112=4x
divide both sides by 4
28 inches=x

Now we know that the second piece is 28inches long. Since the first piece is three times as long, simply multiply 28*3 and we'll know the length of the first piece.

28*3=84 inches
28+84=112

4 0
3 years ago
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