Answer:
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Step-by-step explanation:
Answer:
x = -0.683 (3dp)
x = -7.317 (3dp)
Step-by-step explanation:
<u>Step 1: Apply the quadratic formula</u>
(-b±(
)) / 2a
a = 1 <em>(x²)</em>
b = 8 <em>(8x)</em>
c = 5 <em>(5)</em>
(-8±(
)) / 2 x 1
<u>Step 2: Simplify</u>
(-8±(
)) / 2
<u>Step 3: Solve</u>
You need to replace the ± with first a + and then a -.
(-8+()) / 2 = -0.683 (3dp) = x
(-8-()) / 2 = -7.317 (3dp) = x
Hope this helps!
<u><em>Answer</em></u>:
13.9
<em><u>Step-by-step explanation:</u></em>
<em>Use the Pythagorean Theorem </em>
x=13.85 round to the nearest tenth 13.9
<em />
Answer:
true
hope this helps
have a good day :)
Step-by-step explanation:
I think x = 78
because 21/14 = 1.5
so x = 1.5*52
x = 78
