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k0ka [10]
3 years ago
12

Somebody please help me

Mathematics
2 answers:
tensa zangetsu [6.8K]3 years ago
8 0
The answer to the question is C.
Paraphin [41]3 years ago
3 0
The answer to this is C
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The fraction is throwing me off..help..!
Olegator [25]

Answer:

x=-21

Step-by-step explanation:

1/3x + 9 = 2

subtract 9 on both sides

1/3x = -7

multiply 3 on both sides bc its the reciprocal of 1/3

and you get -21

3 0
4 years ago
There are 36 students in the chess club, 40 students in the drama club, 24 students in the film club. Which ratio is equivalent
zlopas [31]

Answer:

Step-by-step explanation: 40 and 24 are 5:3. We know his because:

- 40/8=5

- 24/8=3

That's how we know 40:24 = 5:3.

6 0
3 years ago
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What is the slope and y-intercept of the equation 6x + 2y = 14<br> I
galina1969 [7]
Slope: -3
y-intercept: (0,7)
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3 years ago
USe Diagram to solve
BlackZzzverrR [31]

Answer:

Answer is 12, D

6 0
3 years ago
The following table shows the probability of rolling the numbers 1 through 7
Marysya12 [62]

Answer:

2.0

Step-by-step explanation:

Couldn't really understnd what you wrote but I'll assume it's the standard deviation of a fair, 7-sided die

The standard deviation is just the square root of the variance (which is just the second moment minus the first moment squared)

The first moment (AKA the average is..)

\frac{1+2+3+4+5+6+7}{7}=4

The second moment is..

\frac{1^2+2^2+3^2+4^2+5^2+6^2+7^2}{7}=20

\sqrt{20-4^2}=2

4 0
3 years ago
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