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Cloud [144]
2 years ago
12

Given that cos a equals 4/5 what is sin a/2

Mathematics
1 answer:
astra-53 [7]2 years ago
8 0

-0.31622... yeah i think it is that

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Solve for y:<br>5(x + y) = 20 + 3x​
son4ous [18]
5(x+y)= 20+ 3x
5x+5y=20+3x
5x+5y-3x=20+3x-3x
2x+5y=20
2x+5y-2x=20-2x
5y=-2x+20
5y/5=-2x/5+20/5
y=-2/5x+4

ANSWER: y=-2/5x+4
5 0
3 years ago
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2 times 2 times 13 what is the missing number
atroni [7]
The answer is 52 if you are looking for the answer to 2x2x13=? then it is 52. Otherwise idk what you are asking.
5 0
3 years ago
determine whether the equation represents a direct varation. if it does, find the constant, find the constant variation. 2y = 5x
SVETLANKA909090 [29]
Is it 5x1?
or 5x+1   cause i'm confused 
6 0
3 years ago
I need help i dont know how to do it and i dont know the answer
Aloiza [94]

Answer:

125 ft²

Step-by-step explanation:

We know that that surface area of the triangular prism that will be covered with insulation is equal to the area of the two triangular faces, plus the two lateral rectangular faces.

So you get:

SA = 2 [\frac{1}{2}\\(15)(15)] + 2 [(30)(15)] = 1,125 ft²

3 0
3 years ago
Match each angle below with its measurement.
brilliants [131]
A = 90 degrees
B = 50 degrees
D = 140 degrees
E = 40 degrees
HOPE THIS HELPS!
7 0
3 years ago
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