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PolarNik [594]
3 years ago
6

HELP HELP HELP 100PTS sin(x)= - 0.8. If x and y are complementary, what is cos(y)

Mathematics
2 answers:
Pepsi [2]3 years ago
8 0

Answer:

Step-by-step explanation:

sin (x)=-0.8\\x+y=90\\x=90-y\\sin(90-y)=-0.8\\cos (y)=-0.8\\sin (90-\alpha )=cos\alpha

satela [25.4K]3 years ago
3 0

Answer:

0.8

Step-by-step explanation:

BRAINLIEST

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  $96.19

Step-by-step explanation:

Gilbert's overtime hours were ...

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for a total of 3.75 hours of overtime for the week. Her overtime pay is ...

  3.75×1.5×$17.10 = $96.1875 ≈ $96.19

Gilbert's overtime pay for the week was $96.19.

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What does “three more” mean in a verbal expression?
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3 years ago
To make orange fizz, Noah mixes 4 scoops of powder with 6 cups of water. Andre mixes 5 scoops of powder with 8 cups of water. Pa
n200080 [17]

Answer:

The tables are given below and

since,

 \frac{4}{6} = \frac{16}{24} > \frac{15}{24} = \frac{5}{8}

so, Noah's mixture will taste more like orange, than Andre's mixture.              

 

Step-by-step explanation:

To make orange fizz, Noah mixes 4 scoops of powder with 6 cups of water, Andre mixes 5 scoops of powder with 8 cups of water.

so, can construct the following tables -

A) table that shows  different amounts of powder and water that taste the same as Noah's mixture :-

Serial no.  Powder in  scoops       cups of water

      1                 8                                   12

      2               12                                   18

      3               16                                    24

      4.               20                                   30

      5.               24                                   36              

B) table that shows  different amounts of powder and water that taste the same as Andre 's mixture :-

Serial no.  Powder in  scoops       cups of water

      1                 10                                   16

      2                15                                   24

      3                20                                   32

      4.               25                                   40

      5.               30                                   48

C) Since,

 \frac{4}{6} = \frac{16}{24} > \frac{15}{24} = \frac{5}{8}

so, Noah's mixture wili taste more like orange, than Andre's mixture.              

6 0
3 years ago
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