1/3x+11.
1/3 of a number can be shown as 1/3x, since the number is not identified.
We can represent 11 more as +11.
This, our expression is 1/3x+11
Hope this helps!
77(7) = 539, the total points of all her tests
539 - 18 + 81 = correct total points = 602
602/7 = 86 which is the new average
Answer:
2nd one: AB = 6
Step-by-step explanation:
Because PQ is 4 (Pythagorean triples), you can prove that triangle PBQ is congruent to PAQ by HL. You can then say AQ is equal to 3 becasue of CPCTC. AQ+QB=AB, or 3+3=6. AB=6
Answer:
15
Step-by-step explanation:
3*6 - 6/2
18 - 3
15
Largeur = x
longueur = 4 x
2 ( x + 4 x) = 20
2 x + 8 x = 20
10 x =20
x = 2
largeur = 2 et longueur = 8