Answer:
I would say graph D
Step-by-step explanation:
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Answer:
D: x + (x+1) + (x+2) > 60
Step-by-step explanation:
Let
x = youngest brother age
x + 1 = older brother age
x + 2 = oldest brother age
Fathers age = 60
The inequality is
x + (x+1) + (x+2) > 60
x + x + 1 + x + 2 > 60
3x + 3 > 60
3x > 60 - 3
3x > 57
x > 57/3
x > 19
x + 1
19 + 1
20
x + 2
19 + 2
21
The oldest brother is no younger than 21
The youngest brother is no younger than 19
The oldest brother is 2 years older than the youngest brother since each are one year apart.
C. AC≅DC
Step-by-step explanation:
The HL Theorem states require that the hypotenuse and one leg of a right triangle to be congruent to the hypotenuse and one leg of the other right-triangle.In this case, the hypotenuse AB≅DC thus the leg AC should be congruent to leg CD for the two triangles to be congruent.
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HL Theorem :brainly.com/question/3398476
Keywords: prove, triangles, congruent, HL theorem
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Associative property of addition
