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ss7ja [257]
3 years ago
11

Which of the following lists of ordered pairs is a function?

Mathematics
1 answer:
Hitman42 [59]3 years ago
7 0
I think it’s C but I’m not sure
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Use cosine to find the missing value round to 2 decimal places #trigonometry
Naddika [18.5K]

Answer:

1. 17.27 cm

2. 19.32 cm

3. 24.07°

4. 36.87°

Step-by-step explanation:

1. Determination of the value of x.

Angle θ = 46°

Adjacent = 12 cm

Hypothenus = x

Using cosine ratio, the value of x can be obtained as follow:

Cos θ = Adjacent /Hypothenus

Cos 46 = 12/x

Cross multiply

x × Cos 46 = 12

Divide both side by Cos 46

x = 12/Cos 46

x = 17.27 cm

2. Determination of the value of x.

Angle θ = 42°

Adjacent = x

Hypothenus = 26 cm

Using cosine ratio, the value of x can be obtained as follow:

Cos θ = Adjacent /Hypothenus

Cos 42 = x/26

Cross multiply

x = 26 × Cos 42

x = 19.32 cm

3. Determination of angle θ

Adjacent = 21 cm

Hypothenus = 23 cm

Angle θ =?

Using cosine ratio, the value of θ can be obtained as follow:

Cos θ = Adjacent /Hypothenus

Cos θ = 21/23

Take the inverse of Cos

θ = Cos¯¹(21/23)

θ = 24.07°

4. Determination of angle θ

Adjacent = 12 cm

Hypothenus = 15cm

Angle θ =?

Using cosine ratio, the value of θ can be obtained as follow:

Cos θ = Adjacent /Hypothenus

Cos θ = 12/15

Take the inverse of Cos

θ = Cos¯¹(12/15)

θ = 36.87°

8 0
3 years ago
DONT SCAM ME WILL GIVE BRAILIST
Anni [7]

Answer:

1. attachment↑

its grade 8

Step-by-step explanation:

mark me as brainliest if it helps

3 0
2 years ago
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Wanda jumped rope 25 times every minute. What is the algebraic equation to express the function of the total number of times Wan
jasenka [17]
The answer is a m=25j
8 0
3 years ago
There are 2 green,5 yellow, 6 red,and 7 blue marbles in a bag. Erin picks one marble from the bag without looking. What is the p
Svetach [21]

Answer:

c 35%

Step-by-step explanation:

2 green,5 yellow, 6 red,and 7 blue marbles

2+5+6+7 = 20 marbles

P(blue) = blue marbles / total marbles

             = 7/20

              = 35/100

               =35%

7 0
3 years ago
A group of volunteers made 21,736 sandwiches for a community service project. There are 143 volunteers in the group. On
Inessa05 [86]

Answer:

b

Step-by-step explanation:

21,736 divided by 143 is 157

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3 years ago
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