3 years ago

Which fraction is eqevilent to -3/2

Mathematics

1 answer:

Kruka [31]3 years ago

5 0

Answer:

-1.5

Step-by-step explanation:

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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 ,

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

6 0

3 years ago

An algebra book weighs 6 oz less

Mashcka [7]

Answer:

Algebra book weighs 24 oz

Grammar book weighs 15 oz

Step-by-step explanation:

algebra = x and grammar = y

x = 2y-6

5x = 8y

5(2y-6) = 8y

10y - 30 = 8y

2y - 30 = 0

2y = 30

y = 15

x = 2(15)-6

x = 30-6

x = 24

8 0

3 years ago

Which letter has at least one line of symmetry? <br> a.D<br> b.J<br> c.G<br> d.L

iren2701 [21]

The correct answer is A. D

That is because D has a horizontal line of symmetry, as can be seen on it.

8 0

3 years ago

Someone please explain how this make sense

Andru [333]

Answer:

6x + 12y = 816

Step-by-step explanation:

6 dollars per regular admission

12 dollars per both dance and volleyball

in total 816 dollars

3 0

2 years ago

Who knows how to problem solve this this problem?

aleksandr82 [10.1K]

Answer:

just do it by Pythagoras theoram

Step-by-step explanation:

because it is a right angle

3 0

3 years ago