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patriot [66]
3 years ago
15

What are the proofs

Mathematics
1 answer:
guajiro [1.7K]3 years ago
6 0
<span> ; 112 jumps</span><span>  ; 128 jumps</span><span>  ; 151 jumps</span><span>  ; 172 jumps

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Kai has 130 beads to make necklaces. there or 100 blue beads. there are 20 red beads. what fraction of the beads are blue?what f
Dominik [7]
100/130 = b
20/130 = r
5 0
3 years ago
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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
M∠IJK=155° and m∠ZJK=35°. Find m/∠IJZ
PtichkaEL [24]
120° because 155-35=120 since IJZ is inside the IJK so you would have to subtract the ZJK from the IJZ.
8 0
2 years ago
Simplify (2/3)^-1 Show your work!
lawyer [7]

Answer:

3/2

Step-by-step explanation:

Apply exponent rule: a^-1 = 1/a

(2/3)^1 = 1/2/3

Apply the fraction rule: 1/a/c = c/b

3/2

5 0
3 years ago
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Help I need the answers immediately​
Vikki [24]

Answer:

linear pair

Step-by-step explanation:

the sum of linear pair angles is 180 degree.

so if we apply 16 in place of x in both equations and add them we get 180

4 0
3 years ago
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