What is the solution to the equation?2 - z/3 =12
A.
z = –42
B.
z = –34
C.
z = –30
D.
z = 42
Answers
Subtract 2 to both sides:
-z/3 = 10
Multiply 3 to both sides:
-z = 30
Multiply -1 to both sides:
z = -30
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Answers
X - 4y = 19
Solving systems by substitution
Answers
X-4y=19
You are going to want to take -4y and put it to the other side:
X-4y=19
Which is: x=4y+19
6x+y=4
Now substitute x !
6(4y+19)+y=4
Distribute it
24y+114+y=4
Now combine like terms
25y+114=4
Subtract 114 both sides
25y= -110
Y=-4.4
Now you have y so take either equation and substitute the y
X-4(1.4)=19
X+17.6=19
X=1.4
Y=-4.4
B. h(x) = 1/2x + 1/2
C. h(x) = 1/2x - 2
D. h(x) = 1/2x + 2
Answers
Subtract sides -1
Divided sides 2
Thus ;
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Sothecorrect answer is((A)).
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B. -1.4
C. -4
D. 1/4
Answers
Answer:
A 4
Step-by-step explanation:
-1/-4 = 4
Answers
Final answer:
The theoretical probability of the coin landing heads up is 30%.
Explanation:
The theoretical probability of the coin landing heads up is 30%.
The number of times the coin lands heads up out of the total number of coin flips is called the experimental probability. In this case, the experimental probability is 21/70 = 0.3, or 30%.
The theoretical probability of getting heads on a fair coin is always 50%, but in this specific experiment, the experimental probability varied due to chance. As the number of coin flips increases, the experimental probability should approach the theoretical probability of 50%.
Learn more about probability here:
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Answer:
50%
I got it wrong that the answer was 50%.
Answers
Answer:
75% of the circle is purple
Step-by-step explanation:
this circle is split into 4ths, meaning each piece is equivalent to 25%. And since 3 pieces are purple, you multiply 25x3 to get 75. Leaving 25% of the circle white.