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iren2701 [21]
1 year ago
7

PLEASEEE HELP USER THATS CORRECT GETS 50 POINTS AND BRAINLY CROWN Using the diagram, name two pairs of complementary and two pai

rs of supplementary angles.

Mathematics
1 answer:
SVETLANKA909090 [29]1 year ago
8 0

Answer:

Complementary: (2,3) & (1,9)

Supplementary: (6,7) & (5,8)

Step-by-step explanation:

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Step-by-step explanation:

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3 0
1 year ago
-8x^2+4x+5=0 using quadratic formula
daser333 [38]
So you want to solve for x?

It would be nice if this would easily factor:
(-4x + 5)(2x +1)  = 0    This will not work!

So you need to use the quadratic formula:
a = -8, b = 4, c = 5

x = \frac{-b+/-  \sqrt{b^{2}-4ac} }{2a}

x = (-4 +/- \sqrt{16-4(-8)(5)})/2(-8)
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   = (-4 +\sqrt{176})/-16
   = 1/4 - \sqrt{11}/4

6 0
2 years ago
If p=4 and q=2, evaluate the following expression:30/p+q​
Gelneren [198K]

Answer:

5

Step-by-step explanation:

Given

\frac{30}{p+q} ← substitute p = 4 and q = 2

= \frac{30}{4+2} = \frac{30}{6} = 5

7 0
3 years ago
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0Step-by-step explanation888    :8

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