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Oksi-84 [34.3K]
2 years ago
5

I need help with both

Mathematics
1 answer:
Lina20 [59]2 years ago
6 0

Answer:

BC = 46 cm

Option D) $3,386,617

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The value of x and y in both equations
Vlada [557]
There is no solution to this set that works for both equations. If you multiply the top equation by 2 and then add them together, the x and y numbers will cancel. This leaves you with 0 =1010, which is never true.
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3 years ago
You and your best friend decide to go to dinner at Chickfila. You each
svetoff [14.1K]

Answer:

= $28.90

Step-by-step explanation:

8 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
Need more help on my homework
trapecia [35]

where is the question?

4 0
3 years ago
Read 2 more answers
❤️❤️help please ASAP ❤️❤️
Dmitry_Shevchenko [17]
114/2=57 I believe 57 is the correct answer

6 0
3 years ago
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