Pls help with the correct answer fast plsmaths congruence of trianglepls pls pls
1 answer:
Answer:
x = -1 or
x = -7
Step-by-step explanation:
Given DAB and BCD are similar :
2x^2 + 7 = x^2 - 8x make the left side of equation 0 by exporting all terms to right side
2x^2 - x^2 + 8x + 7 = 0 add like terms
x^2 + 8x + 7 = 0
(x + 1) * (x + 7) = 0 in this case x is either -1 or -7
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Hello!

Use the following formula for the perimeter:
P = 2l + 2w, where:
l = length
w = width
Therefore:
P = 2(90) + 2(60)
Simplify:
P = 180 + 120 = 300 m
Answer:
안녕하세요
Step-by-step explanation:
- 안녕하세요 어떻게 우리는 오늘 oM입니다g
It has no nth term because the expression is not arithmetic or geometric
Answer:
Iron: 280m³
Zinc: 105m³
Tungsten: 35m³
Step-by-step explanation:
8+3+1 = 12
(8/12)×420 = 280
(3/12)×420 = 105
(1/12)×420 = 35