4 years ago

What angles are vertical

Mathematics

2 answers:

Irina-Kira [14]4 years ago

5 0

The answer would be <14 and <16

gulaghasi [49]4 years ago

4 0

Answer:

14 & 16

Step-by-step explanation:

vertical angles are always congruent they are across from each other and are formed from straight lines home this helps you remember it!!

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(20 PTS) Preform the indicated questions, then answer the question!

irinina [24]

Answer:

a. 12

b. -12

c. negative cuz the signs are different

3 0

3 years ago

What are the zeros of the quadratic function f(x)=8^2-16-15

Free_Kalibri [48]

Answer:

Step-by-step explanation:

f(x)= $8x^{2} -16x-15$
$8x^{2} -16x-15=0$
$x=\frac{-b+-\sqrt{b^{2}-4ac } }{2a}$ , a=8, b= - 16, c= - 15

$x=\frac{-(-16)+-\sqrt{(-16)^2-4*8*(-15)} }{2*8} = \frac{16+-\sqrt{736} }{16} =\frac{16+-4\sqrt{46} }{16} = 1 +- \frac{\sqrt{46} }{4} = 1+- \frac{\sqrt{23} \sqrt{2}}{2\sqrt{2} \sqrt{2} } =1+-\frac{\sqrt{23} }{2\sqrt{2} } = 1+-\frac{\sqrt{23} }{\sqrt{8} }$