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3 years ago

7

Are my answers correct if not can you explain why please?

1 answer:

nasty-shy [4]3 years ago

6 0

They are wrong. Anything to the 0 power is 1. Also, the image is unclear

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(x+1)^2/25+ (y-2)^2/9=1

kkurt [141]

225*(x+1/25)+225*(y-4/9)=225*1
9(x+1)+25(y-4)=225
9x+9+25y-100=225
9x-91+25y=225
9x=225+91-25y
9x=316-25y
x=316/9-25/9

5 0

4 years ago

Basketballs sell for 27.99 each at the super D and for 21.59 each at the bargain spot. If the coach buys a dozen basketballs, ho

Mazyrski [523]

What I did was 27.99-21.59 which equals 6.40 and then times that by 12 which brings you to 76.80

3 0

3 years ago

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Prove that : sin^4(2x)=3/8-1/2cos4x+1/8cos8x<br> Someone plzz help!!!

Gekata [30.6K]

Sin^2 (2x) = (1 - cos(4x))/2
---> sin^4 (2x) = (1/4)(1 - cos4x)^2 = (1/4)(1 - 2cos4x + cos^2 (4x)) and replace cos^2(4x) by (1/2)(1+cos(8x)) --->answer

7 0

3 years ago

ANSWER QUICKLY PLEASE

Jet001 [13]

Answer:

answer below:)

Step-by-step explanation:

sin C= $\frac{opposite side}{hypotenuse side}$ = $\frac{7}{25}$

cos C= $\frac{adjacent side}{hypotenuse side}$ = $\frac{24}{25}$

tan C= $\frac{opposite side}{adjacent side}$ = $\frac{7}{24}$

8 0

3 years ago

PLEASE HELP ME FIND THE ANSWER!!!

PtichkaEL [24]

5.5x2 (per m) = 11 I’m pretty sure

5 0

2 years ago

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