<span><span>Step 1: Find a number you can multiply by the bottom of the fraction to make it 10, or 100, or 1000, or any 1 followed by 0s.
</span><span>Step 2: Multiply both top and bottom by that number.
</span><span>Step 3. Then write down just the top number, putting the decimal point in the correct spot (one space from the right hand side for every zero in the bottom number)</span></span>
Answer: 130°
Step-by-step explanation:
supplementary angle: ∠A+∠B=180°
x+(2x+30)=180
x+2x+30=180
3x+30=180
3x=150
x=50
2(50)+30=100+30=130°
Hope this helps!! :)
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Answer:
108
Step-by-step explanation:
Answer:
The answer to your question is: ( x + 6 ) ( x - 2 )
Step-by-step explanation:
Factor x² + 4x - 12 = 0
Find two numbers that added gives +4 and if we multiply them get -12
We can find these numbers by decomposing -12 in its prime factors
12 2
6 2 12 = 2 x 2 x 3
3 3 now combine the numbers to get -12 and + 4
1 2 and 2 x 3 = 6
and 2 x 6 = 12
Then
( x + 6 ) ( x - 2 )
Answer:
9, 3
Step-by-step explanation:
To get from 27 to 21, you subtract by 6. To get from 21 to 15, you must also subtract by 6. Therefore, subtracting by 6 is the pattern. In order to get the next number in the sequence, we must subtract 6 from 15.
15 - 6 = 9
The next number is 9. To find the number after 9, we must do the same thing - subtract 6 from 9.
9 - 6 = 3
The 5th number of the sequence is 3.
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