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2 years ago

What is the value of x in the equation 2x + 3y = 36, when y = 6?

Mathematics

2 answers:

Veseljchak [2.6K]2 years ago

7 0

Hope you understood pls give me the brainliest :)))

Gnoma [55]2 years ago

5 0

Step-by-step explanation:

when we puts the values

2x+3×6=36

2x=36-18

2x=18

x=18/2

x=9 hope ur help and mark me brainlist

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A board of length 7 divided by the quantity x minus 2 end of quantity meters was cut into two pieces. If one piece is 3 divided

bulgar [2K]

Answer:

Length of other board $=\frac{4x+20}{x^{2} -4}$ metres

Step-by-step explanation:

Given: Length of board = $\frac{7}{x-2}$ metres

Length of board was divided into two.

Length of one piece = $\frac{3}{x+2}$ metres

Let $l$ = length of the other board

Length of the other board = Length of board - Length of one piece

So, $l=\frac{7}{x-2}-\frac{3}{x+2}$

$l=\frac{7(x+2)-3(x-2)}{(x-2)(x+2)} \\\\l=\frac{7x+14-3x+6}{x^{2} -4} \\\\l=\frac{4x+20}{x^{2} -4}$

Thus, length of the other board $=\frac{4x+20}{x^{2} -4}$ metres

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4 years ago

Bob and Joe start from the same point and walk in opposite directions. Bob walks 2 km/h faster than Joe. After 3 hours, they are

valkas [14]

Answer:

Bob = 6km/h, Joe = 4km/h

Step-by-step explanation:

Bob walked 6km/h after 3 hours = 18 km
Joe walked 4km/h after 3 hours = 12 km

Finally, their distance is 30 km.

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2 years ago

Math problem need help if do 5 stars

NNADVOKAT [17]

Answer:

The ordered pair (15, 12) means that 15 pounds of beans cost $12.

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3 years ago

How to figure out 5 - 0.53

sveta [45]

the answer would be 4.47

because every whole number is made out of 100 small parts.

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3 years ago

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IrinaK [193]

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3 years ago