marta tiene 15 años, que es la tercera parte de la edad de su madre ¿que edad tiene la madre de marta?
1 answer:
Answer:
La madre de Marta tiene 45 años.
Step-by-step explanation:
X = edad de mamá de Marta
15 = 1/3 X
(15)(3) = X
45 = X
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Answer:
7x+90+20=180
7x+110=180
7x=180-110
7x=70
7x/7 = 70/7
X=10
Y=40
Answer:
67 degrees
Step-by-step explanation:
All angles in a triangle add up to 180 degrees. So...
23 + x + 90 = 180
113 + x = 180
x = 67 degrees
Answer:
4.6 inches
hope it helps
Step-by-step explanation:
11.5 x 1.4 = 16.1
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Answer:
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