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2 years ago

Brainliest if answer good

Mathematics

1 answer:

nasty-shy [4]2 years ago

4 0

Your not showing the multiple choice and I can’t see it good

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Which of the following is an identity? Also, please include an explanation.

Lerok [7]

$cot\theta= \frac{ cos \theta}{ sin \theta } \\ sec\theta = \frac{1}{ cos \theta } \\ \\ \\ sin \theta cot\theta sec\theta \\ = sin \theta \cdot \frac{ cos \theta}{ sin \theta } \cdot \frac{1}{ cos \theta } \\ = \frac{ sin \theta}{ sin \theta } =1 \\$

sinθcotθsecθ = 1

6 0

3 years ago

Apr 17, 1:48:02 AM

galben [10]

Answer:

y = 9.54

and, x = 0.08

Step-by-step explanation:

Given that

x - 2y = -19 .......................(1)

3x + 5y = 48 ...............(2)

Based on the above information

Multiply by 3 in equation 1

So,

3x - 6y = -57

3x + 5y = 48

- - -

-11y = -105

y = 9.54

So, the x would be

x - 2(9.54) = -19

x - 19.08 = -19

x = -19 + 19.08

x = 0.08

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3 years ago

Help me with my test

pychu [463]

Answer:

Step-by-step explanation:

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3 years ago

Factorise<br>3x^2+22x+35

Butoxors [25]

Answer:(3x + 7) (x +5)

Step-by-step explanation:

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3 years ago

Pierre Hugo is handling the estate of a prominent businesswoman. The will states that the surviving spouse is to receive one hal

umka21 [38]

Answer:

Each child will receive 0.125 (or 12.5%) of the estate.

Step-by-step explanation:

If the surviving spouse gets one half of the estate, the other half have to be divided among the four surviving children.

So its 0,5 divided among the 4 surviving children. That is 0.125 or 12.5% of the estate.

Each child will receive 0.125 of the estate.

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3 years ago