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2 years ago

What is the relationship between the sine and cosine of complementary angles?

1 answer:

8 0

<span> Yes, there is a "relationship" regarding the </span>tangent<span> of the two acute angles (A and B) in a right triangle.</span>

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If Kamila can do a job in 26 hours and Simon and Kamila working together can do the same job in 9 hours , find how long it takes

Kay [80]

Answer:

Simon takes approximately 13.76 hours to complete the job alone.

Step-by-step explanation:

We are given the following in the question:

Kamila can do a job in 26 hours

So, part of work done by Kamila in 1 hour =

$\dfrac{1}{26}$

Simon and Kamila working together can do the same job in 9 hours .

So, (Simon and Kamila)'s 1 hour work =

$\dfrac{1}{9}$

So, Simon's 1 hour work =

$\dfrac{1}{9}-\dfrac{1}{26}=\dfrac{17}{234}$

So,

Simon can do $\frac{17}{234}$ part of work in hour = 1

Time taken by Simon to complete the job alone =

$\dfrac{1}{\frac{17}{234}}=\dfrac{234}{17}\approx 13.76 \text{ hours}$

Thus, Simon takes approximately 13.76 hours to complete the job alone.

3 0

2 years ago

On a number line, the coordinate of X is 52, the coordinate of Y

ASHA 777 [7]

Answer:

Step-by-step explanation:

since the magnitude of xy ≠ zw,

|x-y| = xy = |52-121|= 69, |z-w| = zw = |-21-25| = 46

69 ≠ 46

8 0

2 years ago

Help please :) dont put random stuff or i’ll report <3 fanks

kati45 [8]

Answer:

The answer is D!

Step-by-step explanation:

hope this helps

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2 years ago

What is the answer for this

Lerok [7]

There you go!!! Answer is at the very bottom. let me know if you have questions

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2 years ago

Read the excerpt from “The Scarlet Ibis.”

Svetach [21]

Answer:

ikakagalit ba ni phrasa kung para sakin ka<33

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2 years ago