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sergey [27]
2 years ago
10

Plz help I need help with this one question

Mathematics
2 answers:
pogonyaev2 years ago
7 0
99 square cm (・∀・) -.
olya-2409 [2.1K]2 years ago
5 0

Answer: 99 square cm

Step-by-step explanation:

you cut the height in half, so 6 divided by 2 = 3, if you do that you have to do the same to the width, so again 6 divided by 2 = 3, the length stays the same, so the equation would be 3 X 3 X 11 = 99

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True or false: the equation tan^2x+1=sec^2x
zhenek [66]

ANSWER

True

EXPLANATION

The given trigonometric equation is:

{ \tan}^{2} x + 1 = { \sec}^{2} x

We take the LHS and simplify to arrive at the RHS.

{ \tan}^{2} x + 1 =  \frac{{ \sin}^{2} x}{{ \cos}^{2} x}  + 1

Collect LCM on the right hand side to get;

{ \tan}^{2} x + 1 =  \frac{{ \sin}^{2} x + {\cos}^{2} x}{{ \cos}^{2} x}

This implies that

{ \tan}^{2} x + 1 =  \frac{1}{{ \cos}^{2} x} .

{ \tan}^{2} x + 1 =  {( \frac{1}{ \cos(x) }) }^{2}

{ \tan}^{2} x + 1 =  { \sec}^{2} x

This identity has been verified .Therefore the correct answer is true.

3 0
2 years ago
twenty students in A and 20 students in class B were asked how many hours they took to prepare for an exam.The data sets represe
SSSSS [86.1K]

Answer:

is there a graph i can read?

Step-by-step explanation:

6 0
2 years ago
Can someone please help me thanks!!!!!
natta225 [31]
Sorry what is the question I cannot see the question
3 0
3 years ago
Rewrite the following equation in slope-intercept form<br> y-6=-9(x-5)
gogolik [260]

Answer:

y=-9x+51

Step-by-step explanation:

-9x+45=y-6

add 6 to both sides to get

-9x +51=y

7 0
3 years ago
Is -(12/-17) equal to 12/17
maria [59]
Yes <span>-(12/-17) is equal to 12/17

I hope this helps. 

Have a awesome day. :)</span>
3 0
3 years ago
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