Answer:
8 is your answer for x
Step-by-step explanation:
Note that this is an equilateral triangle, meaning that all of the sides are congruent. This means that all the angel measurements are congruent.
First, divide 180 with 3 (3 because there are 3 angles)
180/3 = 60
Each angle must equal 60. You are solving for x. Set the expression with x as the variable equal to 60
7x + 4 = 60
Isolate the x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. First, subtract 4 from both sides.
7x + 4 (-4) = 60 (-4)
7x = 60 - 4
7x = 56
Next, divide 7 from both sides.
(7x)/7 = (56)/7
x = 56/7
x = 8
8 is your answer for x.
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Answer:
Step-by-step explanation:
Problem 4a
You have 6 numbers on the cube, a bag with 4 letters and a spinner with 3 letters
The total number of results is
6 * 4 * 3 = 72
Problem 4b
P(A,3,Q) = (1/3)(1/6)(1/4) = 1/72
Problem 4c
A and Q remain the same. 1/3 and 1/4
Not rolling a 6 is a little different. Success will result in a 1 2 3 4 5 being thrown. That's 5/6
So the results are 1/3 * 1/4 * 5/6 = 5/72
2x-8 + 4x+8
2x+4x= 6x
-8+8=0
so your answer is 6x I think.
