2 years ago

Work out the lengths of sides a and b. Give your answers to 1 decimals place. (Pythagoras theoram

Mathematics

1 answer:

Simora [160]2 years ago

8 0

Step-by-step explanation:

h²=o²+a²

a²=8²+5²

a²=64+25

a²=89

a=√89

a=9.433

To one decimal place it is 9.4

for b,

h²=o²+a²

17²=b²+12²

289=b²+144

289-144=b²

145=b²

b=√145

b=12.041

To one decimal place it is 12.0

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If you have two terms in a sequence, then a term decreased by the previous term=common difference

so
30 and 27

27 decreased by 30 is -3

the common differce is -3

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There are 135 skiers in line to ride the chair lift. If each chair seats 7 people, how many skiers will be on the last chair?

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Answer:

Step-by-step explanation:

$135/7=19.28$

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3 years ago

Melissa Silva borrowed $6,300 from the bank. If she has already repaid

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The remaining balance would be $3,600.

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3 years ago