3 years ago

Anyone know the link to impoopsock or thepoopsocks account?

Mathematics

1 answer:

4vir4ik [10]3 years ago

6 0

Answer: do you mean pop socket website..?

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Prove that : 1/1-secA + 1/1+secA = -2cot^2A

irina1246 [14]

Answer:

Step-by-step explanation:

LHS = 1/1-secA + 1/1+secA

$= \frac{1*(1+Sec A)}{(1-Sec A)(1+Sec A)}+\frac{1*(1-Sec A)}{(1+Sec A)*(1-Sec A)}\\\\=\frac{(1+Sec A)}{1-Sec^{2} A}+\frac{(1-Sec A)}{1-Sec^{2} A}\\\\=\frac{1+Sec A+1-Sec A}{(1-Sec^{2} A)}\\\\= \frac{2}{(1-Sec^{2} A)}\\\\=\frac{2}{-(Sec^{2} A - 1)}\\\\= \frac{-2}{Tan^{2} A}\\\\= -2Cot^{2} A$

7 0

3 years ago

3<br> V = 63 cm<br> Can someone please help with this?

tatyana61 [14]

Answer:

v=21cm

Step-by-step explanation:

v= 63/3

v= 21cm

5 0

3 years ago

Can you please help ni

Ainat [17]

Answer:

0.0833... inches longer or 1/12

Step-by-step explanation:

7/12=0.583

1/2 but multiplied by 6 is 6/12

so 7/12-6/12=1/12 longer or 0.0833-

7 0

3 years ago

A spinner used in a board game is divided into 12 equally sized sectors. Seven of these sectors indicate that the player should

xeze [42]

Answer:

20.8 inches squared

Step-by-step explanation:

Area of spinner:

45.1 is the area of sectors where the token doesn't move, which 5 sectors doesn't move the token (don't forget that the bonus points doesn't move token). Then

45.1/5=9.02

9.02*12=108.24

K=1/2(r^2)sin150

108.24=1/2(r^2)sin150

216.48=(r^2)1/2

432.96=r^2

r=20.8

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4 years ago

Susan walked a total of 8 kilometers by making 4 trips to school. How many trips will Susan have to make in all to walk a total

Masja [62]

Answer:

6 trips in total..,.............

3 0

3 years ago

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