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Helen [10]
3 years ago
14

Find angle A using sin-1

Mathematics
1 answer:
ki77a [65]3 years ago
5 0

Answer:

75°

Step-by-step explanation:

firstly, use the pythagoras theorem

Square root(8²-2²) = 7.75

Then, use sine

sine A= 7.75/8

Sine A=0.9688

A= (sine power of -1) x (0.9688)

A=75.63

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Step-by-step explanation:

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Lisa works part time at the cookie jar. She earns $4.25 an hour. Last week she worked from 6 p.m to 9 p.m on monday, tuesday, an
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5 0
4 years ago
Read 2 more answers
Chen is bringing fruit and veggies to serve at an afternoon meeting. He spends a total of $28.70 on 5 pints of cut veggies and 7
Arlecino [84]

Answer:

$1.75

Step-by-step explanation:

Total spends on veggies and fruits by Chen = $28.70

Total pints of cut veggies bought = 5

Total pints of cut fruit bought = 7

Let '<em>v</em>' be the cost of each pint of veggies bought and

'<em>f</em>' be the cost of each pint of fruit bought.

Cost for veggies = 5 \times v

Cost of fruit = 7 \times f

Total cost = Cost of veggies + Cost of fruit

Putting the values:

28.7=5\times v+7 \times f\\

Given that f = $2.85

Then v = ?

Putting value of in the above equation and finding the value of v:

28.7=5\times v+7 \times 2.85\\\Rightarrow 28.7 = 5v + 19.95\\\Rightarrow 5v = 28.7 - 19.95\\\Rightarrow 5v = 8.75\\\Rightarrow v = $1.75

So, the price of a pint of veggies, v = \$1.75.

9 0
4 years ago
Read 2 more answers
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