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Greeley [361]
3 years ago
11

Please help me, I dont understand!

Mathematics
1 answer:
Vikentia [17]3 years ago
8 0
I don’t really know what the answer is but I’ll try so - 6/7 = 6/7 3 15/44 = - 3 15/44 -2 5/22
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1 + 5sin^2x= 7sin^2x solve trig equation. Can you show me how to solve this trig equation?
pantera1 [17]

Answer: x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}

Step by step:

1 + 5\sin^2x= 7\sin^2x\\\sin^2 x\rightarrow z\\1 + 5z = 7z\\2z = 1\\z = \frac{1}{2}\implies \sin^2 x = \frac{1}{2}\\|\sin x| = \frac{1}{\sqrt{2}}\\\sin x = \pm\frac{1}{\sqrt{2}}=\pm\frac{\sqrt{2}}{2}\\\implies x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}

(Used a table of common angles)

8 0
3 years ago
*<br> 30 35 40<br> 45 50 55 60<br> 65 70 75<br> 80<br><br><br> c. Determine the median
tester [92]

Answer:

median is 55

Step-by-step explanation:

6 0
3 years ago
What is the square of 215
Natali5045456 [20]
Aprox 14.663
now i need to fill this to 20 letters
hey how ya doin
i thing this is enough


6 0
3 years ago
Read 2 more answers
Here are two rectangles.
Drupady [299]
The two rectangles are similar and the scale factor is 3:4
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A 5-kg ham is sliced for sandwiches. There are 125 slices. How many grams are in each slice?
stellarik [79]
There are 40grams in each slice because 5kg / 125 = 0.04kg = 40g


Hope his helps!! And if it does, plz make Brainliest!
5 0
3 years ago
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