To find the gradient you do change in y/change in x so...
-12 - 0
————- = -12/4 = -3
0 - - 4
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<span>Step 1: 0.225 = 225⁄1000</span>
<span>Step 2: Simplify 225⁄1000 = 9⁄40</span><span> </span>
The number of quarters she have 11.
<h3>What is a system of equations?</h3>
A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.
Let consider y = quarters; x = dimes
We know that there are 3 times as many dimes as quarters. So we can state that x = 3y.
Then, we say that 25y + 10x = 605
(Value of coin * amount of coins)
Then we substitute x=3y into the equation, yielding:
25y + 10(3y) = 605
25y + 30y = 605
55y = 605
605/55 = 11 = y
Therefore, the number of quarters she have 11.
Learn more about equations here;
brainly.com/question/10413253
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In statistics, thre are basically two types of data: qualitative and quantitative data
<span>Qualitative data is information about qualities; information that can't actually be measured. While quantitative data are data that can be measured.
Therefore, the </span><span>name is given to the type of data that is descriptive rather than numerical</span> is qualitativre data.
Answer:
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Step-by-step explanation:
