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nikdorinn [45]
4 years ago
5

Cos^3a+sin^3a/cosa+sina=1-sinacosa​

Mathematics
1 answer:
sp2606 [1]4 years ago
3 0

Answer:

its 13

Step-by-step explanation:

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The ratio of boys to girls in a class is 5:4. There are 36 students in the class. How many students are boys?
Mariana [72]

Answer:

The answer is 20 boys!

Step-by-step explanation:

If you multiply the ratio by 4 it will equal 20:16, which is equal to 36.

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3 years ago
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How does the throughput of pci express version 3.0 compare to pcie version 2.0?
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8 0
4 years ago
What characteristics do similar figures have?
AlladinOne [14]

Answer:

Corresponding sides are proportional. That is, the ratios of the corresponding sides are equal.

Corresponding angles are equal.

Step-by-step explanation:


6 0
4 years ago
Which value must be added to the expression x^2– 3x to make it a perfect-square trinomial?
liraira [26]

Answer:

\frac{9}{4}

Step-by-step explanation:

Given

x² - 3x

add ( half the coefficient of the x- term)²

x² + 2(- \frac{3}{2})x + (- \frac{3}{2})²

= (x - \frac{3}{2})² + \frac{9}{4}

3 0
3 years ago
A circular running track is 1/4 mile long. Jamie runs on this track, completing each lap in 1/20 of an hour. What is Jamie’s run
Grace [21]

Answer: The running speed of Elena is 5 miles/hour and this can be determined by using the formula of speed.

Step-by-step explanation:

A circular running track 1/4 is a mile long.

Elena runs on this track, completing each lap in 1/20 of an hour.

Speed formula is used to determine the speed of Elena. The formula of speed is given by:

   ----- (1)

where S is the speed, D is the distance and T is the time taken by Elena to run a circle.

Now, put the value of distance D and time T in the equation (1).

Speed = 5 miles/hour

Therefore, the running speed of Elena is 5 miles/hour.

For more information, refer to the link given below:

brainly.com/question/22610586

3 0
2 years ago
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