2 years ago

Based on the information marked in the diagram, triangle PQR and triangle STU must be congruent

Mathematics

1 answer:

Rama09 [41]2 years ago

5 0

Answer:

A. True

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 ,

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

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2 years ago

I don't understand how to do long division. Can somebody please help explain it to me?

amm1812

Long division mean When Your times the number with the. Mode number

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3 years ago

PLEASE HELP PLA

aleksley [76]

Answer:

$y = -x+8$

Step-by-step explanation:

The side that is parallel to BC is EF

Find the slope of EF:

$m = \frac{2-4}{6-4} =\frac{-2}{-2} =-1$

Easiest way is just put the formula in point-slope form and simplify.

Let's use point F, which is (6,2)

$y -2=-(x-6)$

Simplify:

$y-2=-x+6$

Add 2 on both sides:

$y = -x+8$

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2 years ago

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7 less than twice a number is 3 more than the number.

lorasvet [3.4K]

Answer:

7-2x=3+x

Step-by-step explanation:

where x is the number

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3 years ago

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