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Rama09 [41]
2 years ago
10

The answers ......................... to number 4 and the bonus

Mathematics
1 answer:
Flauer [41]2 years ago
7 0
.............................

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Which ratio is equivalent to 4/16 A. 2:4•• B. 6 to 20 C. 8:32 D. 12 to 64 Write the ratio as a unit rate. 286 miles in 5 1/2 hou
NeX [460]
1) Which ratio is equivalent to [tex] \frac{4}{16} [tex]?
[tex] \frac{4}{16} * 2 = \frac{8}{32} [tex], or 8:32.

2) Write the ratio as a unit rate [tex] ( \frac{286miles}{5 \frac{1}{2} hours} ) [tex]
Set the equation up like this:
[tex] \frac{286miles}{5 \frac{1}{2} hours} = \frac{Xmiles}{1 hour}\\
286*1=(5 \frac{1}{2})*x\\
286 = \frac{11x}{2}\\
11x= 572 [tex]
x = 52 [tex] \frac{miles}{hour} [tex]

3) Which typing time is fastest? I answered this earlier, refer to it please refer to it: brainly.com/question/2560190
6 0
3 years ago
Calculate the correlation coefficient for the given data below:
Rasek [7]

The correlation coefficient of the data provided is -0.52.

<h3>What is the correlation coefficient?</h3>

Correlation is a measure that is used in statistics to determine the linear relationship that exists between two variables. Correlation can be positive, negative or zero.

Positive correlation is when two variables move in the same direction. Negative correlation is when two variables move in opposite directions. Zero correlation is when there is no relationship between the variables.

Correlation can be determined using a financial calculator. When the financial calculator is used, the correlation coefficient is -0.52

To learn more about negative correlation, please check: brainly.com/question/27246345

#SPJ1

4 0
1 year ago
If y= 1/5 when x=3, find y when x=4, given that y varies directly with x
lisov135 [29]

Answer:

<h2>y =  \frac{4}{15}</h2>

Step-by-step explanation:

To find y when x=4, we must first find the relationship between them

The statement

y varies directly with x is written as

<h3>y  \:  \:  \:  \alpha  \: \:   \: kx</h3>

where k is the constant of proportionality

From the question

when y = 1/5

x = 3

Substitute the values into the above formula and solve

That's

<h3>\frac{1}{5}  = 3k \\ 15k = 1 \\ k =  \frac{1}{15}</h3>

So the formula for the variation is

<h3>y =  \frac{x}{15}</h3>

From the question

when x = 4

<h3>y =  \frac{4}{15}</h3>

Hope this helps you

5 0
3 years ago
Can someone help? Explain and give work in how you got the answer.
kvasek [131]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

We know the side relations of a right angled Triangle (that is Pythagoras therom)

now, let the missing side be x

  • Hypotenuse² = sum of squares of other legs

that is ~

  • 15 {}^{2}  = 5 {}^{2}  +  {x}^{2}

  • 225 = 25 +  {x}^{2}

  • {x}^{2}  = 225 - 25

  • {x}^{2}  = 200

  • x =  \sqrt[]{200}

  • x = 10 \sqrt{2}

The correct choice is ~ B

4 0
2 years ago
What are two numbers that add to 24 and divide to 5
vovangra [49]

Answer:

6 and 30

Step-by-step explanation:

n + 24

(n + 24) ÷ n = 5

n + 24 = 5n

24 = 4n

6 = n

Check

30 – 6 = 24

30 ÷ 6 = 5

7 0
2 years ago
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