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stira [4]
2 years ago
14

Y’all can you help on this?

Mathematics
1 answer:
Vladimir [108]2 years ago
8 0
It would be option b . i can help you out if you’re still awake lol lol ok i is just ok i love you too much bye love.
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By what percent (%) will a fraction change if its numerator is decreased by 10% and its denominator is decreased by 70%?
grandymaker [24]
Answer: 200% increase
7 0
2 years ago
PLZ HELP ASAP SIMMILAR AND CONGRUENT TRIANGLES
Dvinal [7]
LA=3.5; AY=7
LW=?

LW=LA+AW
AW=?

Let's analyze triangles LAY and YAW
1) Triangle LAY
Angle LAY is 90°
Suppose Angle ALY is x
The angle LYA is the complement of x, for example y:
x+y=90°→y=90°-x

2) Triangle YAW
Angle AYW is the complement of angle LAY (y), then the angle AYW must be equal to x.
Angle YAW is 90°, because the angle LAY is 90°

The triangles LAY and YAW are similars, because they have to congruent angles:
Angle LAY = 90° = Angle YAW
Angle ALY = x = Angle AYW
Then the sides of triangles LAY and YAW must be proportionals:
AW/AY=AY/LA
Replacing the known values:
AW/7=7/3.5
AW/7=2
Solving for AW. Multiplying both sides of the equation by 7:
7(AW/7)=7(2)
AW=14

Now:
LW=LA+AW
LW=3.5+14
LW=17.5

Answer: LW=17.5 units

  
8 0
2 years ago
What is the answer for 4² + (7+2) ÷ 3.
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The answer would be 19
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The difference between the solutions to the equation x2 = a is 30. What is a? Show that your answer is correct
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A would equal 60 because you would divide 60 by 2 there for getting 30

hope this helps
5 0
3 years ago
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