MATHEMATICS MIDDLE SCHOOL

How many solutions does the following equation have? 3(4x+3)=3+12x

Answers

Answer 1
Answer:

3(4x+3)=3+12x

12x+9=3+12x

9=3

0 solutions

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Give five rational numbers lying between 3/5 and 4/5. Insert six rational numbers between 3 and 4.

Answers

1)\ \ \ \ \ (3)/(5) = (3\cdot20)/(5\cdot20) = (60)/(100) =0.60\ \ \ \ \ and\ \ \ \ \ (4)/(5) = (4\cdot20)/(5\cdot20) = (80)/(100) =0.80\n\nbetween\ e.g.:\ \ \ 0.61;\ \ 0.69;\ \ 0.7;\ \ 0.73;\ \ 0.79\n\n2)\ \ \ \ \ 3.00\ ...\ 4.00\n\nbetwen\ e.g.:\ \ \ 3,11;\ \ 3.25;\ \ 3.32;\ \ 3.59;\ \ 3.79;\ \ 3.94

I need to know the answer

Answers

You can fill 8 full bags and 2/5 of a bag

A bag contains 24 blue marbles, 32 yellow marbles, 43 white marbles, and 21 red marbles. If a marble is drawn from the bag and replaced 90 times, about how many times would a yellow marble be drawn? A. 15 B.24 C.30 D.60

Answers

The answer would be B
Steps 
1. Add all the numbers 43+24+32+21

2. You should get 120

3. 120 will be your denominator

4. Determine how many yellow marbles there are, there are 32

5. Simplify 32/120 you should get 4/15, I simplified by 2 to get the answer, I simplified until I could simplify no more

6. Now change 4/15 to a decimal

7. To do step 6 you must divide 4 by 15

8. you should get0.26666666666

9. Now multiply 90*0.26666666666

10. You should get 23.9

11. round 23.9 by tenth place

12. You should get 24 thats how the answer is B

Hope I Helped=)

Determine whether the figure is a right triangle. a right triangle contains one 90 degree angle. Justify your answer with slopes. ( question 16)

Answers

If the slopes of two lines are opposite reciprocals of each other, then the lines are perpendicular. This means the angles formed are 90°. To prove this triangle is a right triangle, the opposite and adjacent side must have opposite reciprocal slopes.

Opposite Side:
m= (y2-y1)/(x2-x1) \n \n m= (-3-1)/(-2+5) \n \n m=- (4)/(3)

Adjacent Side:
m= (y2-y1)/(x2-x1) \n \n m= (-3-2)/(-2-4) \n \n m= -(5)/(6)

Since their slopes are not opposite reciprocals, we know that this is not a right triangle.

The paper around a snow cone has a slant height of 6 inches and a diameter of 3 inches. About how many square inches of paper are needed to make a snow-cone cup

Answers

make a what you didnt finish the question

It is recommended that an adult drink 64 fluid ounces of water every day. Josey has already consumed 700 milliliters of water.How many more liters should he drink today?

Answers

1.19271 liters. The reason for this is 64 fluid ounces is 1.89271 liters and 700 milliliters is equal to 0.7 liters. Take 1.89271 and subtract 0.7 liters and you will get your answer.
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