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lara31 [8.8K]
3 years ago
5

Geometry Angle Problem

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
7 0
360 ÷ 6 = 60 (Angles at a point)

Answer: 60°
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the school fun fair made 1,768 on games and 978 on food sales. how much money did the fun fair make on games and food.
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The school made 2746 dollars. 
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3 years ago
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At the beginning of an environmental study, a forest covered an area of 1500 km. Since then, this area has decreased by 7.25% ea
WITCHER [35]

\qquad \textit{Amount for Exponential Decay} \\\\ y=P(1 - r)^t\qquad \begin{cases} y=\textit{current amount}\\ P=\textit{initial amount}\dotfill &1500\\ r=rate\to 7.25\%\to \frac{7.25}{100}\dotfill &0.0725\\ t=\textit{elapsed time}\dotfill &t\\ \end{cases} \\\\\\ y=1500(1-0.0725)^t\implies y=1500(0.9275)^t

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2 years ago
If you need more Spad
aksik [14]

Answer:

Just convert the number to the third digit and the answer will be b

6 0
3 years ago
Please help me!!!!!​ i need full answer.
salantis [7]

Answer:

see explanation

Step-by-step explanation:

Using the sum/ difference → product formula

cos x - cos y = - 2sin( \frac{x+y}{2})sin (\frac{x-y}{2} )

sin x - sin y = 2cos (\frac{x+y}{2} )sin (\frac{x-y}{2} )

Given

(cosA - cosB)² + (sinA - sinB )²

= [ - 2sin(\frac{A+B}{2})sin(\frac{A-B}{2} ) ]² + [ 2cos(\frac{A+B}{2} )sin(\frac{A-B}{2} ) ]²

= 4sin² (\frac{A+B}{2} )sin² (\frac{A-B}{2} ) + 4cos² (\frac{A+B}{2} )sin² ( \frac{A-B}{2} )

= 4sin² (\frac{A-B}{2} )[ sin² ( \frac{A+B}{2} ) + cos² ( \frac{A+B}{2} ) ← sin²x + cos²x = 1

= 4sin² ( \frac{A-B}{2} ) × 1

= 4sin² ( \frac{A-B}{2} ) = right side ⇒ proven

4 0
3 years ago
If you have a spinner with 5 slots, what is the compound probability of spinning an even number, then an odd number? Expressed a
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this can be expressed as

\frac{2}{5} =\frac{x}{100}, cross multiply and we get

5x=200

x=40%

6 0
2 years ago
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