Answer:
y = 3/2x by making use of angle relationships in triangles
Step-by-step explanation:
Here's one way to solve it.
∠ADE is an external angle to ΔBDE. As such, its measure will be the sum of the measures of the remote interior angles, ∠DBE and ∠DEB:
∠ADE = 2x° +y°
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If we call the intersection point of AC and DE point G, then ∠AGE is an exterior angle to ΔADG. As such, its measure is the sum of the remote interior angles:
∠AGE = ∠GAD +∠GDA
3y° = x° +(2x° +y°)
2y = 3x . . . . . . . . . . subtract y°, collect terms, divide by °
y = (3/2)x . . . . . . . . divide by 2
Answer:
120 problems
Step-by-step explanation:
Given
Required
Determine the number of questions
To do this, we simply multiply the earnings by the number of problems.
This gives:
<em>The students answered 120 problems correctly</em>
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Answer:
10
Step-by-step explanation:
3/5 = 15 dogs
divide 15 by 3 and get 5
so each 1/5 = 5 animals
4/5 = 20
5/5 = 25
25-15=10
Answer:
x = 100
Step-by-step explanation:
-100x - 100 = -100x
+100= +100
-100x= -100x + 100
x=100