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Svetlanka [38]
3 years ago
5

W(h) =12h is wages earned for h hours at $12 per hour. What does W(30) = 360 mean?

Mathematics
1 answer:
Ann [662]3 years ago
3 0
It would be d. none of the above

this would mean $360 earned in 30 hours
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If sinA =3/5 and A+B =90 find cosB
-Dominant- [34]

A+B=90^o\to B=90^o-A\\\\\cos B=\cos(90^o-A)=\cos90^o\cos A+\sin90^o\sin A\\\\=\cos A+1\cdot\dfrac{3}{5}=0+\dfrac{3}{5}=\dfrac{3}{5}\\\\\boxed{\cos B=\dfrac{3}{5}}

Used:\\\\\cos(x+y)=\cos x\cos y+\sin x\sin y\\\\\cos90^o=0,\ sin90^o=1

Other method:

Look at the picture.

\sin\theta=\dfrac{opposite}{hypotenuse}\\\\\sin A=\dfrac{3}{5}\to opposite=3\ and\ hypotenuse=5

\cos\theta=\dfrac{adjacent}{hypotenuse}\\\\adjacent=3\ and\ hypotenuse=5\to\cos B=\dfrac{3}{5}

8 0
3 years ago
Can anyone help me with this question? <3 please and thank you!
vazorg [7]

Answer: 3/2 I’m on something similar rn

Step-by-step explanation:

6 0
3 years ago
Y = -6x + 3 y = 5x - 8 Question 1 options: (-3, -1) (3, -1) (1, -3) (1, 3)
OleMash [197]

Answer:

-3,-1 so a

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Please help ill give brainiest answer!
eduard

1. First of all, this is a isosceles triangle, meaning measurement I=58°, which makes it way easier to find T.

58 + 58 + x = 180

116 + x = 180

x = 64

1. m{t}°=64 m{I}°=58

2. This one is easy because algebra is the key.

100 - x + 30 + 4x + 7x = 180

Add like-terms.

130 +10x = 180

10x = 50

\frac{50}{10}  = x = 5

x=5

The only thing that confuses me is the y. Is it 7xy, y as a side, or what? Feel free to reply

8 0
3 years ago
Can you help me please!!
ahrayia [7]
I believe it would be 30

8 0
3 years ago
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