Answer:
-15
Step-by-step explanation:
<span>you can solve all quadratic equations using this method:
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x^2 + 4x + 4 = 0
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the above quadratic equation is in standard form, with a=1, b=4, and c=4
---
to solve the quadratic equation, by using the quadratic formula, copy and paste this:
1 4 4
into this solver: https://sooeet.com/math/quadratic-equation-solver.php
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this quadratic has ONE real root (the x-intercept), which is:
x = -2
x = -2
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---
---
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x^2 + x = 0
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the above quadratic equation is in standard form, with a=1, b=1, and c=0</span>
Answer:
Step-by-step explanation:
Answer:
86 cm
Step-by-step explanation:
parameter of the Pentagon
= the parameter of the square + the parameter of the
triangle
= 48 + 38
= 86
Answer:
the answer is B
Step-by-step explanation:
brainliest pls
