4 years ago

Which is the best to buy?

Mathematics

1 answer:

g100num [7]4 years ago

5 0

The answer is D........

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Tju [1.3M]

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3 years ago

Two men p and q set off from a base camp r prospecting for o,p moves 40km on a bearing 205 degree and q moves 30km on a bearing

Mkey [24]

Answer:

(a) By cosine rule, /PQ/2=202+152−2×20×15×cos145°

= 400+225−600cos145°

= 625+600×0.8192

= 491.52+625

/PQ/2=1116.52⟹/PQ/=1116.52−−−−−−√=33.41

≊33km ( to the nearest whole number)

(b) By sine rule,

sin<QPR15=sin14533.41

sin<QPR=15sin14533.41

sin<QPR=15×0.573633.41=0.2575

<QPR=14.92°

∴ Bearing of Q from P = 25° + 14.92° = 39.92°.

≊40° (to nearest whole number)

Step-by-step explanation:

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3 years ago

Last year, A professional basketball team won 60 games. This year the team won 9 fewer games than it won last year. What is the

son4ous [18]

Answer: it be 10%

Step-by-step explanation:

sorry if i wrong

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3 years ago

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sarah has 4 2/3 m of ribbon. She wants to make hair bows to sell at the craft fair. She knows she wants to make seven bows. How

zysi [14]

This is division. Let’s set up your problem.

I prefer not using mixed numbers. Instead we’ll use 14/3 for the fraction.

So to start off:

14/3 / 7

the 7 can also be 7/1.

use the saying, “keep, change, flip.”

keep the 14/3, change the sign to multiplication, and flip the last fraction.

14/3 x 1/7

now multiply.

14/21 is your fraction. Now simplify.

You get 2/3.

Your answer is:
She should cut the ribbon 2/3 m.

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3 years ago

Find cos0, where 0 is the angle shown. Give an exact value, not a decimal approximation. (listing BRAINLEST)

marshall27 [118]

Step-by-step explanation:

everything can be found in the picture

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3 years ago