3 years ago

David was in three javelin compition with a mean distance of 40.9.what is the total altogether

1 answer:

8 0

FIGURE IT OUT ITS NOT THAT HARD

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dexar [7]

sides of right angle triangle follows Pythagoras theorem

a^2 + b^2 = c^2

where a, b and c are sides of triangle

if you check, option 3 follow this. so answer is option 3

6 0

3 years ago

Mariana [72]

Step-by-step explanation:

$- 7 = \frac{z}{3} \\ by \: cross \: multiplication \\ z = - 7 \times 3 \\ z = - 21$

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3 years ago

Ilya [14]

First plug in the equations, then simplify/cancel out terms until you get the answer

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2 years ago

Marta_Voda [28]

Hope these help but i wrote all of it out with all its geometrical reasons

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2 years ago

pentagon [3]

P-9=-3w
-p/3+3=w
(9-p)/3=w

6 0

3 years ago