3 years ago

Help me out with this question pla

1 answer:

3 0

P <span>≤ </span>450$ Rebecca can only pay equal to 450$ or less than 450$ so she can only afford A and B

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d1i1m1o1n [39]

Answer:

Step-by-step explanation:

Given that angle A is in IV quadrant

So A/2 would be in II quadrant.

sin A = -1/3

cos A = $\sqrt{1-sin^2 A} =\frac{2\sqrt{2} }{3}$

(cos A is positive since in IV quadrant)

Using this we can find cos A/2

$cosA = 2cos^2 \frac{A}{2} -1\\Or cos \frac{A}{2} =-\sqrt{\frac{1+cosA}{2} } =-\sqrt{\frac{3+2\sqrt{2} }{6} }$

3 0

3 years ago

muminat

Answer:

V≈184.31

Step-by-step explanation:

V=πr2h

3=π·42·11

3≈184.30677

8 0

3 years ago

harkovskaia [24]

-3 + 3n = -6 - 6n. Expand the brackets
3n + 6n = -6 + 3. Collect like terms
9n = -3
n = -3/9 = -1/3

5 0

2 years ago

drek231 [11]

Answer: no

Step-by-step explanation: because it’s equal

4 0

3 years ago

svet-max [94.6K]

You should download Mathpro

3 0

3 years ago