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2 years ago

18 girls to 27 boys simplified

Mathematics

1 answer:

Klio2033 [76]2 years ago

6 0

Answer:

1 to 3

Step-by-step explanation: divide by 9 since thats the gcf for 18 and 27

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HELP PLEASE!!! :( I REALLY NEED HELP ASAP!! Thank you and stay safe!

Mkey [24]

Answer:

a = 6, b = -2, c = 3

Step-by-step explanation:

6x² - 2x + 3 = 0

a = 6, b = -2, c = 3

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3 years ago

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(HELP NEEDED RIGHT NOW)Marisol is making lemonade to sell at her lemonade stand. Her recipe calls for 5 cups of sugar for every

zvonat [6]

I think it’s the first one. 30:54 because 5 times 6 is 30 and 9 times 6 is 54.

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2 years ago

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Solve the equation. Check your answer. 8=t -8.5

Kay [80]

Answer:

t= 16.5

Step-by-step explanation:

See the steps below:)

6 0

3 years ago

Calculate the mean and variance of the sample data set provided below. show and explain your steps. round to the nearest tenth.

eimsori [14]

Mean = (14 + 16 + 7 + 9 + 11 + 13 + 8 + 10) ÷ 8 = 11

Variance =
[ (14-11)²+(16-11)²+(7-11)²+(9-11)²+(11-11)²+(13-11)²+(8-11)²+(10-11)² ]/7 = 9.71

Answer: 9.71

6 0

3 years ago

It has been said that newspapers are disappearing, replaced by various electronic media. In 2004, newspaper circulation (the num

shutvik [7]

Answer:

A. $y=-1.2x+59$

B. 42.2 million

Step-by-step explanation:

Part A:

Given:

Newspapers circulated in year 2004, $y_{1}=59\textrm{ million}$

Newspapers circulated in year 2014, $y_{2}=47\textrm{ million}$

Let the time $x$ start at the year 2004. So, $x_{1}=0$

For the year 2014, $x_{2}=2014-2004=10$

Therefore, linear relationship between newspapers circulated and time passed since 2004 is given as:

$y-y_{1}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}(x-x_{1})\\y-59=\frac{47-59}{10-0}(x-0)\\y-59=-\frac{12}{10}x\\y=-1.2x+59$

Therefore, the equation describing the relationship is: $y=-1.2x+59$

Part B:

For the year 2018, $x=2018-2004=14$

Plug in 14 for $x$ in the above equation and solve for $y$ . This gives,

$y=-1.2(14)+59\\y=-16.8+59\\y=42.2$

Therefore, in the year 2018, the newspaper circulation will be 42.2 million.

8 0

2 years ago