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Pachacha [2.7K]
2 years ago
13

2/9 of the students in a school are in sixth grade.

Mathematics
1 answer:
UNO [17]2 years ago
7 0
20 sixth graders / 6 sixth graders / 216 students
You might be interested in
For what values of x is the trinomial 2x^2-x+55 equal to the square of binomial x+5
jeka94

Answer:

x = 6 , 5. For these values of x they are equal.

Step-by-step explanation:

2x²  - x + 55 =(x +5)²

2x² - x + 55 = x² + 2*x*5 + 5²

2x² - x + 55 = x² + 10x + 25

2x² - x + 55 - x²  - 10x - 25 = 0

2x² - x² - x - 10x + 55 - 25 = 0

x² - 11x + 30 = 0

x² -6x - 5x  + 30 = 0

x(x - 6) - 5(x - 6) = 0

(x - 6)(x - 5) = 0

x - 6 = 0 ;  x - 5 = 0

x = 6      ;      x = 5

7 0
3 years ago
Read 2 more answers
I need help with this question ​
emmainna [20.7K]

Answer:

36-4-2x, she will have 8 rolls of toilet paper left over

Step-by-step explanation:

36=total-4= the four given away,2x= the number of rolls used per month. 36-4=32. 2(12) 1 year]= 24. 32-24=8

7 0
3 years ago
Which expression is equivalent to StartFraction RootIndex 7 StartRoot x squared EndRoot Over RootIndex 5 StartRoot y cubed EndRo
murzikaleks [220]

Answer:

\frac{5}{X^{2} } y^{2}

Step-by-step explanation:

sorry the Y isn't under the 5 anyway hope this helped

6 0
2 years ago
Solve the quadratic function by completing the square. What are the missing pieces in the steps?
ICE Princess25 [194]
If you would like to solve the quadratic function by completing the square, you can do this using the following steps:

- 32 = 2(x^2 + 10x)
- 32 + 50 = 2(x^2 + 10x + 25)
18 = 2(x + 5)^2
9 = (x + 5)^2
<span>± sqrt(9) = x + 5
</span><span>± 3 = x + 5
</span>x = - 2 or x = - 8
5 0
3 years ago
Read 2 more answers
Joseph needs to find the quotient of 3,216 divided by 8. In what place is the first digit in the quotient?
aliya0001 [1]
answer : hundreds

3216 divided by 8 = 402

4 is in the hundreds places ( NOT HUNDREDTHS it is hundreds )

If you want to know what place 0 and 2 are in :

0 - tens

2 - ones

Hope This Helps :)

(the picture might help you, it is an example)

6 0
3 years ago
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