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marissa [1.9K]
2 years ago
5

Find the length of a B leave your answers in the terms of pi

Mathematics
1 answer:
algol [13]2 years ago
8 0

Answer:

AB = 6*120*pi/180 = 4pi

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I'm stuck on C, please help. Thank you
jonny [76]

Step-by-step explanation:

(x {}^{4}  - x) {}^{4} -  ( {x}^{4}  - x)

x {}^{16}   +  4( {x}^{12} ) - x + 6( {x}^{8} )( {x}^{2} ) + 4( {x}^{4} )( -  {x}^{3} ) +  {x}^{4}  -(  {x}^{4}  - x)

{x}^{16}  - 4 {x}^{13}  + 6 {x}^{10}  - 4 {x}^{7}  +  {x}^{4}  -  {x}^{4}  + x

{x}^{16}  - 4x {}^{13}  + 6 {x}^{10} - 4 {x}^{7}   + x

6 0
2 years ago
Read 2 more answers
Say that you (or your parents) are purchasing a new car for $22,358. The sales tax is 6.45%, the down payment is 10% of the tota
Nastasia [14]

9514 1404 393

Answer:

  (a)  $133.88

Step-by-step explanation:

The addition of tax multiplies the purchase price by 1+6.45% = 1.0645. The payment of the down payment means the loan amount will be only 1-10% = 0.90 times the amount with tax. So, the loan amount is ...

  $22,359(1.0645)(0.90) = $21,420.08

The loan is a secured loan (secured by the vehicle). So, the interest charged is that for a poor credit rating: 7.5%.

One month's interest is ...

  I = Prt . . . . . interest on principal P at rate r for t years (1 mo = 1/12 yr)

  I = $21,420.08(0.075)(1/12) = $133.88

3 0
3 years ago
Circle O has a circumference of approximately 250ft. What is he approximate length of the diameter, d?
Alja [10]

Circumference = pi *d

250 = pi * d

divide each side by pi

250/pi = d

pi is approximately 3.14

250/3.14 = d

79.62 = d

the diameter is approximately 79.62 ft

6 0
3 years ago
I'm studying for a quiz but I don't know how to do these two questions! Can someone explain them to me?
Lemur [1.5K]

Answer:

yes mate, what r ur questions??

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5 0
3 years ago
Read 2 more answers
Which relationship in the triangle must be true?
Paul [167]

We'll assume this is an arbitrary triangle ABC.


A) No, the sines of two different angles can be whatever they want


B) sin(B)=cos(90-B)


Yes, that's always true. The "co" in cosine means "complementary" as in the complementary angle, which adds to 90. So the sine of an angle is the cosine of the complementary angle.


C) No, the correct identity is sin(180-B)=sin B. Supplementary angles share the same sine.


D) Just like A, different triangle angles often have different cosines.


Answer: Choice B



7 0
3 years ago
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