172 pounds = 78.0179 kilograms
Answer:
The answer is: 31.96
Step-by-step explanation:
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Steps: Line up the equations then solve. 4*6 is 24 and 7*8 is 56 then round, tada!
4.7 x
<u>6.8</u>
<u>24.56</u>
<u>Round: 31.96</u>
Answer:
x=0 x=-5 x=2
Step-by-step explanation:
4x3 + 12x2 = 40x
Subtract 40x from each side
4x3 + 12x2 - 40x=0
Factor out 4x from each term
4x( x^2 +3x-10) =0
Factor the term insdie the parentheses
What 2 numbers multiply to -10 and add to 3
5*-2 =-10
5+-2 =3
We have (x+5) (x-2)
Replace that in the equation
4x ( x+5) (x-2) =0
Using the zero product property
4x= 0 x+5 =0 x-2 =0
x=0 x=-5 x=2
Answer:
Treat the numbers separately and powers separately.
Multiply the two results at the end.
Example:
(2×10⁵) ÷ (4×10²)
(2 ÷ 4) × (10⁵ ÷ 10²)
0.5 × 10³
5.0 × 10²
