Answer:
X + Y = 1 ------1
X - 2y = 4 ------2
Solving by substitution method
X = 4 + 2y -----3
Putting the value of X in equation 1
4 + 2y + y = 1
4 + 3y = 1
3y = 1 - 4
3y = (-3)
y = (-3) /3
<h3>y = (-1) </h3>
Putting value of y in equation 3
X = 4 + 2(-1)
X = 4 - 2
<h3>X = 2 </h3>
Answer:
I'm gonna take some liberty. I assume you mean if there is 12 questions. if so that means you would need to get 5 wrong.
Step-by-step explanation:
Here are step-by-step instructions showing you how we calculated 7 out of 12 as a percentage: The first step is to divide 7 by 12 to get the answer in decimal form: 7 / 12 = 0.5833. Then, we multiplied the answer from the first step by one hundred to get the answer as a percentage: 0.5833 * 100 = 58.33%
Answer should be <span>Both Fred's and Victoria's proofs are correct.</span>
Answer:
3 3/5 miles per hour
Step-by-step explanation:
4 1/2=9/2
1 1/4=5/4
(9/2)/(5/4)=(9/2)(4/5)=36/10=18/5=3 3/5
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(Hope this helps you)
