Three times a certain number decreased by 2 equals to nineteen
1 answer:
Answer:
7
Step-by-step explanation:
x equals a certain number
3x - 2 = 19
add 2 both sides
3x=21
divide 3 both sides
x=7
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A= 1/2 bxh because if you are trying to find area you have to use the the formula A=1/2 bxh
the sum of supplementary angles is 180 degree
therefore
x +2x = 180°
3x = 180
X = 180/3 = 60°
the value of X is 60°
189.
3*1=34 --> split this into two parts. 3*1 is 3 and 3+1 is 4 so put them together and you get 34.
The interquartile range (IQR) can be found by finding the difference of the upper and lower quartiles
Answer:
1.-3
2.4
3.3
4. -4
5. -4
6.3
7. -19/9
8. -3
9.0
10. -2
Step-by-step explanation:
