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2 years ago

URGENT HELP! is it A)ASA B)SSS C)AA D)SAS for each of the three triangles?

Mathematics

1 answer:

Natalija [7]2 years ago

3 0

1Sas
2.Aa
3.SSS. Hufuibgjhvghtt hit s

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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)

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3 years ago

Tell whether the angles are complementary, supplementary, or neither

Vadim26 [7]

Answer:

neither

Step-by-step explanation:

43 + 57 = 100

Complementary angles: sum of measures = 90 deg

Supplementary angles: sum of measures = 180 deg

This question: sum of measures = 100 deg

Answer: neither

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3 years ago

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WILL GIVE BRAINLIEST

Katena32 [7]

Answer:

it's the point T.

Hope it helps

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2 years ago

A total of $28,000 is invested in two municipal bonds that pay 4.25% and 4.75% simple interest. The investor wants an annual int

Kobotan [32]

Answer:

$16,000 should be invested in the 4.25% bond

Step-by-step explanation:

Attached is the full solution

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3 years ago

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I need help please and thank you

Ira Lisetskai [31]

This is a false statement.

When you are solving using square roots, you need to be aware that answers can be both positive and negative. When we solve this, you see there are two possible answers.

x^2 - 9 = 0

x^2 = 9

x = +/- 3

While 3 is an answer, so is -3. If we square either of those numbers, we get 9, which will satisfy the equation.

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3 years ago