Answer:
Prime
Step-by-step explanation:
x² + 25 is prime (unfactorable).
Here's what the other options come out to:
(x + 5)(x + 5) = x² + 10x + 25
(x + 5)(x − 5) = x² − 25
(x − 5)(x − 5) = x² − 10x + 25
<span>Diameter :D , Raduis : R
D = 2R
R = 1.4 angstrom
1 angstrom = 0.00000001 cm = 10^-7
cm
R = 1.4 * 10^-7 cm
D = 2.8 * 10^-7 cm</span>
Answer:
31/100
Step-by-step explanation:
0.310=0.31
Since the number ends in the hundredths place as a fraction it would be 31/100
Hope this helps! :)
-2x=4x+9 |-4x
-6x=9 |:(-6)
x=-1,5
Check:
-2*-1,5=4*-1,5+9
3=-6+9
3=3
Luke earned $54 for 3 lawns
So each lawn = $54/3 = $18
After mowing 7 lawns =
7 X $18 = $126
