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Gala2k [10]
3 years ago
6

Please help i have no idea how to do it

Mathematics
1 answer:
emmainna [20.7K]3 years ago
6 0

Answer:

81.82% chance

Step-by-step explanation:

add em all up(55)

divide by 100(1.82)

multiply by how many students play only bass and string(45)

answer is 81.82%

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Complete the square on the following quadratic x2+10x+9=0
kakasveta [241]
Given a quadratic equation x^{2} +ax+c=0

1. the first thing we do when we want to compete the square, is write the coefficient of x as 2 times a number.

In our case the coefficient of x is 10, so we write 10 as 2*5

2. then we write + 5^{2} and - 5^{2} to the expression:

x^{2} +2*5*x+ 5^{2} -5^{2}+9=0

(x^{2} +2*5*x+ 5^{2}) -25+9=0

(x+5)^{2}-16=0



Answer: (x+5)^{2}-16=0
8 0
3 years ago
Whole numbers are _____ integers.<br><br> A.always<br> B.sometimes<br> C.never
gulaghasi [49]
The answer to the question is always.
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3 years ago
Which category is not one of the major responsibilities of state government?
just olya [345]

Answer: C electricity

Step-by-step explanation:

It is

4 0
3 years ago
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Aleks04 [339]

Answer:

Can someone please help me with this question?

Step-by-step explanation:

6 0
3 years ago
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Ans: 720cm
Ivenika [448]

Answer:

663

Step-by-step explanation:

ratio of Malay = 5

ratio of Indian= 4

ratio of Chinese= 8

Total number of Indian + Chinese= 468

Total ratio= 5+4+8= 17

Let the total number of students= X

Ratio of India= 4/17 × X=

Ratio of Chinese= 8/17 × X=

Addition of ratio of both India and Chinese=

4X/17 + 8X/17= 468

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12X/17= 468

X= 663

Hence, total number of students is 663

5 0
2 years ago
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