3 years ago

Find the next number in the number sequence 1 2 4 8 16

Mathematics

1 answer:

Trava [24]3 years ago

4 0

32 because each number was multiplied by 2

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Simplify sin^2y/sec^2 y−1 to a single trigonometric function

liubo4ka [24]

Answer:

$\frac{ { \sin}^{2} y}{ { \sec}^{2}y - 1 } = { \cos }^{2} y$

Step-by-step explanation:

We know that ${ \tan }^{2} y = { \sec }^{2} y - 1$

Also , ${ \tan}^{2} y = \frac{ { \sin }^{2} y}{ { \cos }^{2}y }$

So ,

$\frac{ { \sin }^{2}y }{ { \sec }^{2}y - 1 } = \frac{ { \sin}^{2} y}{ { \tan }^{2} y} = \frac{ { \sin }^{2}y }{ \frac{ { \sin}^{2} y}{ { \cos}^{2}y } } = { \cos }^{2} y$

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2 years ago

The length of a rectangle is twice its width. The perimeter of the rectangle is 15 inches. What are the measurements of the leng

Airida [17]

Step-by-step explanation:

Let the breadth (b) of a rectangle be x

Then Length (L) = 2x

Now

Perimeter of the rectangle = 15 inches

Or, 2(L + b) = 15

2 ( 2x + x) = 15

2* 3x = 15

6x = 15

x = 15 / 6

x = 2.5 inch

Also Now

Length (L) = 2*2.5 = 5 inches

Breadth (b) = 2.5 inches

Hope it will help :)

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2 years ago

Which number line shows the solution to 11x + 14 < –8?

Alika [10]

Answer:

positive 11x+ positive 14 to the right is greater than negative 8 to the left

Step-by-step explanation:

hope I helped

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2 years ago

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25 letters in 4 days

pentagon [3]

In order to write 25 letters in 4 days you would need to write 6.25 a day

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2 years ago

I need help with this one asap

Marianna [84]

Answer:

the pics too small I cant read itttt

Step-by-step explanation:

make it bigger and I can do ittt

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2 years ago