First, open the parentheses (make sure you distribute the '-':
6x - 3x - 4 = x - 40
3x - 4 = x - 40
2x = -36
x = -18
The solution set is {-18}
Well I would solve it but where's the problem?
Answer:
Step-by-step explanation:
Even number on spinners are 5 out of 10 probability of it is 1/2 and probablity of coin landing on tails also 1/2
Probability of compound event is probability of first event multiplied by probability of second even
So 1/2×1/2=1/4
Second one is 9/10×1/2=9/20
Note that
- 36=1·36;
- 36=2·18;
- 36=3·12;
- 36=4·9;
- 36=6·6.
If neither (length and width) is divide by 6, then cases 1, 2, 3 and 5 are extra, because
- 36:6=6 (is divide by 6);
- 18:6=3 (is divide by 6);
- 12:6=2 (is divide by 6);
- 6:6=1 (is divide by 6).
The only possible dimensions are: width - 4 cm and length - 9 cm.
Then the perimeter is
cm.
Answer: 26 cm.
Answer:
Step-by-step explanation:
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