3 years ago

Answer please #1-4 !!!!!!

1 answer:

Darya [45]3 years ago

6 0

Answer: I can't see the image

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IgorC [24]

h2 + 52 = 102

h2 = 102 − 52 = 100 − 25 = 75 = 52×3

h = 53 ≈ 8.7

Area A = ½×10×h ≈ ½×10×8.7 ≈ 43 cm2

Hope this helps

3 0

4 years ago

d1i1m1o1n [39]

90+70= 160
Then 180-160=20
So angle A is 20

6 0

3 years ago

enot [183]

5 is d and idk question 5 sorry

6 0

3 years ago

ivann1987 [24]

OB = 3 cm

AO = radius = 5 cm

AB = 8cm/2 = 4 cm

Pythagora

OB² = AO² - AB²

= (5cm)² - (4cm)²

= 25cm² - 16cm²

= 9 cm²

OB = √9cm²

= 3 cm

8 0

4 years ago

AveGali [126]

Binomial theory : ( a - b ) ^3 = a^3 - 3a^2b + 3ab^2 - b^3 ;
Then, ( 2y - 3x ) ^3 = 8y^3 - 36y^2x + 54yx^2 - 27x^3

3 0

3 years ago