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dimaraw [331]
2 years ago
13

There are 35 boys in the 6th grade and 42 girls the ratio is 5 boys 7 girls how do I get the answer

Mathematics
1 answer:
icang [17]2 years ago
6 0
Answer: The ratio is wrong, it's 5 boys 6 girls

Explanation: To find this you would find the LCF (Least Common Factor) which would be 7, and divide both by 7, being 35/7 and 42/7, giving you the answers 5 and 6.
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Consider two populations of coins, one of pennies and one of quarters. A random sample of 25 pennies was selected, and the mean
Alexus [3.1K]

Answer:

No, the conditions for normality have not been met because the sample size for the quarters is not large enough and no information is given about the distributions of the populations.

Step-by-step explanation:

"The Kolmogorov-Smirnov test (K-S) and Shapiro-Wilk (S-W) test are designed to test normality by comparing your data to a normal distribution with the same mean and standard deviation of your sample. If the test is NOT significant, then the data are normal, so any value above .05 indicates normality"

5 0
3 years ago
Read 2 more answers
Help please i dont get it
ale4655 [162]

Answer:

  (c)  x = 2 and x = -8

Step-by-step explanation:

The rules of logarithms let you rewrite this as a quadratic equation. That equation will have two (2) potential solutions. We know from the domain of the log function that any negative value of x will be an extraneous solution.

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The rules of logarithms that apply are ...

  \log(a)+\log(b)=\log(ab)\qquad\text{all logarithms to the same base}\\\\\log_b(a)=c\ \Longleftrightarrow\ b^c=a\\\\

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<h3>take antilogs</h3>

We can rewrite the equation so that only one logarithm is involved. Then we can take antilogs.

  \log_4(x)+\log_4(x+6)=2\\\\\log_4(x(x+6))=2\qquad\text{using the first rule}\\\\4^2=x(x+6)\qquad\text{using the second rule}

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<h3>solve the quadratic</h3>

Adding (6/2)² = 9 to both sides will "complete the square."

  16 +9 = x² +6x +9 . . . . . . . add 9

  25 = (x +3)²

  ±√25 = x +3 = ±5 . . . . . take the square root(s)

  x = -3 ±5 = {-8, +2}

The two potential solutions are x = 2 and x = -8.

8 0
2 years ago
Read 2 more answers
What is the value of the x in the figure? Plz help ASAP
zalisa [80]

Answer:

2x+15=145........ vertically Opposite

2x=145-15

2x=130

x=130/2

65

x=65

4 0
2 years ago
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Perry currently has $180 dollars and is spending $6 per day. Nick has no money
Nutka1998 [239]

Answer:

After 13 days (Rounded) If you dont round it's \frac{90}{7} or 12\frac{6}{7}

Step-by-step explanation:

Perry: 180 - 6x = 8x

180 - 6x + 6x = 8x + 6x

180 = 14x

180/14 = 14x/14

90/7 = x

4 0
3 years ago
Which unit represents 100 meters
Oxana [17]

Greetings! Hope this helps!

Answer:

"Hecto" Is a meaning for 100, So your answer would be A.) Hecotmeter

_________________

A brainliest will help me tons! :D

8 0
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