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grin007 [14]
2 years ago
6

Bob gets paid 64 hour heard that is 2/3 Melissa makes how much is Alicia paid per hour

Mathematics
1 answer:
Thepotemich [5.8K]2 years ago
4 0

Answer:

64

Step-by-step explanation:

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in an isosceles triangle the base angle are equal and the vertex is 80 degree find the measurement of the base angle​
Oliga [24]

Answer:

50 each base angle

Base Angle_1 + Base Angle_2 + Vertex = 180

50 + 50 + 80 = 180

180 = 180

Step-by-step explanation:

Sum of interior angles of Triangle is 18- degrees.

2b + vertex = 180

2b + 80 = 180

2b + 80 -80 = 180 - 80

2b = 100

b = 50

7 0
2 years ago
A No solution
malfutka [58]
One solution I beleve
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What is 15=-3y+21x in slope intercept form?
sweet [91]
Slope intercept form = Y = Mx + B

15 = -3y + 21x

3y = 21x - 15

Y = 21/3 X - 15/3

Y = 7x - 5 = SI Form
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3 years ago
Using t=tanx/2, write an expression for sinx and cosx in terms of t.
Dafna11 [192]

Assume 0 < <em>x</em>/2 < <em>π</em>/2. Then

tan²(<em>x</em>/2) + 1 = sec²(<em>x</em>/2)   ===>   sec(<em>x</em>/2) = √(1 - tan²(<em>x</em>/2))

===>   cos(<em>x</em>/2) = 1/√(1 - tan²(<em>x</em>/2))

===>   cos(<em>x</em>/2) = 1/√(1 - <em>t</em> ²)

We also know that

sin²(<em>x</em>/2) + cos²(<em>x</em>/2) = 1   ===>   sin(<em>x</em>/2) = √(1 - cos²(<em>x</em>/2))

Recall the double angle identities:

cos(<em>x</em>) = 2 cos²(<em>x</em>/2) - 1

sin(<em>x</em>) = 2 sin(<em>x</em>/2) cos(<em>x</em>/2)

Then

cos(<em>x</em>) = 2/(1 - <em>t</em> ²) - 1 = (1 + <em>t</em> ²)/(1 - <em>t</em> ²)

sin(<em>x</em>) = 2 √(1 - 1/(1 - <em>t</em> ²)) / √(1 - <em>t</em> ²) = 2<em>t</em>/(1 - <em>t</em> ²)

7 0
2 years ago
What percent of 480 is 160?<br> A. 0.3%<br> B. 3%<br> C. 30%<br> D. 33.3%<br> E. 300%
Kaylis [27]
Answer: E

Explanation: If you are using a calculator, simply enter 480÷160×100 which will give you 300 as the answer.
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2 years ago
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