Answer:
its c i think. 3/5 is 60%
Step-by-step explanation:
1/5= 20% so 20%x3=60%
The table shows a constant of proportionality the equation would be x*2=y
The z-score is -0.428
<h3>What is a z-score?</h3>
A z-score, also known as a standard score, provides information on how far a data point is from the mean. Technically speaking, however, it's a measurement of how many standard deviations a raw score is from or above the population mean.
You can plot a z-score on a normal distribution curve.
You must be aware of the mean and population standard deviation to use a z-score.
Z-scores allow results to be compared to a "normal" population.
According to the question,
x=500
μ=533
σ=77
z-score=(x-μ)/σ
On substituting the values,
z-score=(500-533)/77
= -0.428
Learn more about z-scores here:
brainly.com/question/25638875
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So for number one, you would have to divide the number by the one being multiplied. I’ll do the first one and you can do the second one, comment if you need help.
(4)*_=-12 —> -12/4 = -3
Check : -3*4 = -12
The answer would be -3.
For the second one, multiply all the numbers first and find the actual answer.
(4)*(-7)*(-1) —> 4 * -7 = -28 —> -28 * -1 = 28
Then multiply their answers.
Evangelina : (-28)*(-1) = 28
Josh : (4)*(7) = 28
Now check who has the right answer and explain why.
For number three, use the letters and plug in the values that are being given to you.
e —> -e
-e * f = -15
-e * g = 6
f * g = -10
Now solve from there!
I really hope I helped, comment if you have any questions:)