4 years ago

Write the ratio three to seven in two other ways

Mathematics

2 answers:

jarptica [38.1K]4 years ago

4 0

These are the 3 ways to write 3:7

3:7
3/7
3 to 7

Nataly [62]4 years ago

4 0

You can write it
3/7
3:7
3 to 7

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The table below shows the surface area y in square inches, of a shrinking puddle in x hours

Kruka [31]

Part A
Correlation coefficient: -.99
This tells us that as time goes on (value of x increases) the area of the puddle goes down (value of y decreases)

Part B
y₂ - y₁
------- = slope
x₂ - x₁
9 - 15
--------
5 - 8
-6/-3 = 2
So the slope equals -2, regardless of the fact that we got 2 as an answer there, we know that it is a negative slope

Part C
The data represents causation because an increase in the value of x results in a decrease in the value of y, this shows an example of direct causation between x and y.

8 0

3 years ago

Read 2 more answers

How do I solve -15= -3n/5

xenn [34]

Answer:

Step-by-step explanation:

$-\dfrac{3n}{5}=-15\qquad\text{multiply both sides by (-5)}\\\\(-5\!\!\!\!\diagup^1)\left(-\dfrac{3n}{5\!\!\!\!\diagup_1}\right)=(-5)(-15)\\\\3n=75\qquad\text{divide both sides by 3}\\\\n=25$