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Doss [256]
3 years ago
5

Can someone answer this please and please answer it correctly please show work I need it today

Mathematics
1 answer:
Lostsunrise [7]3 years ago
3 0

Answer: 45

Step-by-step explanation:

Total number of 8th graders that signed up = 30

9 dropped out. So the total number 8th graders on board the game

= 30 - 9 = 21

46 2/3 % of the club are 8th graders i.e 21

Let T be the total number of students in the club

46 2/3 % T = 21

(140/3)% T = 21

(140/300)T = 21

T = (21x300)/140 = 45

Therefore, there are 45 students on the club

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Solve the equation. 8x2 – 4 = 28
Flura [38]
Hello,

Your answer would be 2, -2.

8x^2 - 4 = 28

8x^2-4+4=28+4

8x^2 = 32

\frac{8x^2}{8}=  \frac{32}{8}  


x^2 = 4

x = +/4 

x = 2 or x = -2

2 , -2 would be the answer! :)


Mark Brainliest if this helped you :)
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Answer:

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Step-by-step explanation:

We're going to solve this just like we would an equation, but with just one little twist. First, let's add 1/3 to both sides.

5/6x - 1/3 > 1 1/3

5/6x > 1 2/3

First, let's turn 1 2/3 into an improper fraction to make it easier to work with. Multiply the big number by the denominator, then add the numerator.

1 x 3 + 2 = 5

1 2/3 = 5/3

Now, multiply 5/3 by 2/2 to get 6 as the denominator. This works because 2/2 simplifies to 1 and therefore does not change the value of the fraction.

5 x 2 = 10

3 x 2 = 6

5/3 = 10/6

Now divide both sides by 5/6. Because they both have the same denominator, we can cancel the denominator out and just divide 5x/5 and 10/5.

5/6x > 10/6

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Wait! We don't have the correct answer just yet. Whenever you divide an inequality, you have to flip the inequality sign.

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Now <em>there's</em> our final answer.

4 0
3 years ago
Ronald spent $128.15 on school clothes. He counted his money and discovered that he had $37.85 left. How much money did he origi
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Answer:

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Step-by-step explanation:

What we spent plus what we have left equal the total amount of money

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