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Alexandra [31]
3 years ago
12

If angle 1 measures 98° and angle 2 measures 72°, then the two angles are supplementary. true or false

Mathematics
2 answers:
kirza4 [7]3 years ago
5 0
Answer:  FALSE .
____________________________________________
          For two (2) angles to be supplementary, they must add up to 180° ; 
and the two angles given — 98° and 72° — add up to 170°.

{Note:  98 + 72 = 170 — NOT  "180" ; and as such are NOT supplementary.}.
______________________________________________________________
xz_007 [3.2K]3 years ago
5 0

the correct answer is false

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Step-by-step explanation:

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I’m another normally distributed test score is 80 and the standard deviations is 10. How common are values in the less than 60?
lord [1]

Answer:

<em>The probability of obtaining a score less than 60 is 2.28% </em>

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Step-by-step explanation:

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P(X

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Z = \frac{X- \mu}{\sigma}

P(\frac{X- \mu}{\sigma}

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This is the same as

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<em>The probability of obtaining a score less than 60 is 2.28% </em>

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6 0
3 years ago
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Answer:

Step-by-step explanation:

let ∠GEF=x

then ∠GFE=90-x

\frac{GH}{EH}=tan x\\GH=EH~ tan x\\or~ GH=a ~tan x=6 tan x\\\frac{GH}{FH}=tan (90-x)=cot x\\GH=FH*cot x\\GH=b*cot x=27 cot x\\6 tan x=27 cotx\\\frac{tan x}{cot x}=\frac{27}{6}\\tan ^2 x=\frac{27}{6}=\frac{9}{2}\\sec^2x-tan^2x=1\\sec^2 x=1+tan ^2x=1+\frac{9}{2}=\frac{11}{2}\\\frac{EG}{EH}=sec x\\ EG=EH sec x=a sec x= 6 sec x=6\sqrt{\frac{11}{2} } =3\sqrt{22} \approx 14.07

4 0
3 years ago
7.   Simplify ((–3)^2)^3.      A. (3)^5 B. (–3)^6 C. (3)^6 D. (–3)^5
alisha [4.7K]
((-3)^2)^3

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(a^b)^c=a^(b*c) so:

((-3)^2)^3

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(-3)^6
6 0
3 years ago
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