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jarptica [38.1K]
3 years ago
11

HELP ME PLEASEEEEEEEEEEEEEEEEEEEEEEEEEE WILL GIVE BRAINLIST

Mathematics
1 answer:
Nadya [2.5K]3 years ago
4 0

Answer:

width = 18 cm

27/3.6=7.5

2.4x7.5=18

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Name this polynomial by its degree: 3x² + 5x-3
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Answer:

\boxed{\textsf {The given polynomial is a quadratic polynomial. }}

Step-by-step explanation:

A polynomial is given to us and we need to make the polynomial by its degree . Here the given polynomial is 3x² + 5x -3 .

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So here we can see that the highest power of the variable in the given polynomial is 2 . So the polynomial is a quadratic polynomial .

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3 years ago
Describe and correct the error in finding csc θ, given that θ is an acute angle of a right triangle and cos θ =7/11
a_sh-v [17]

Answer:

<h2>cosecθ = 1/sinθ = 11/6√2</h2>

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Given that  cos θ =7/11, cosec θ = 1/sinθ in trigonometry.

Based on SOH, CAH, TOA;

cosθ = adjacent/hypotenuse = 7/11

adjacent = 7 and hyp = 11

Since sinθ = opp/hyp, we need to get the opposite to be able to calculate sinθ.

Using pythagoras theorem to get the opposite;

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sinθ = 6√2/11

cosecθ = 1/sinθ = 1/( 6√2/11)

cosecθ = 1/sinθ = 11/6√2

Note the error; cscθ\neq 1/cosθ but cscθ = 1/sinθ

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