3 years ago

10 points lol 6th grade math coordinate points

Mathematics

1 answer:

mart [117]3 years ago

5 0

i think it is the last one

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What is the value of y in the equation 5x+2y=20, when x=0.3

Rasek [7]

5x+2y=20

Substitute 0.3 for x

5(0.3)+2y=20

Multiply 5 by 0.3

1.5+2y=20

Subtract 1.5 from both sides

2y=18.5

Divide 2 on both sides

Final Answer: y= 9.25

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3 years ago

Help please, its pre-pre algebra

Lyrx [107]

8/74 l think it that

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8 friends attend a read a thon. they take turns reading for a total of 3 hours. If each friend reads for the same amount of time

viva [34]

(3 hours) / (8 friends) = 3/8 hour per friend

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3 years ago

Help me please How many solutions does the equation x -4 = 12 - 2x have? Explain. - ? .

MA_775_DIABLO [31]

Answer: one solution.

Step-by-step explanation:

$\dfrac{2}{3} x-4=12-2x\\\\\dfrac{2}{3} x+2x=12+4\\\\2\dfrac{2}{3} x=16\\\\\dfrac{8}{3} x=16\\\\8x=16 \cdot 3\\\\8x=48\\\\x=\dfrac{48}{8} =6$

This equation has one solution: x = 6.

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3 years ago

Question 3(Multiple Choice Worth 1 points)

Darya [45]

Answer:

1/4 ⋅ 12

Step-by-step explanation:

The oil company fills 1/12 of a tank in 1/4 hour (20 minutes) with gasoline.

1/4 ⋅ 12

(time) ⋅ (total tank size)

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3 years ago

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