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Natali5045456 [20]
2 years ago
7

You are debating about whether to buy a new computer for $800.00 or a refurbished computer with the same equipment for $640.00.

If you are paid $10.00/hour and your deductions are FICA (7.65%), federal tax withholding (12%), and state tax withholding (8%), how many hours do you have to work to pay for the new computer?
111 hours

98 hours

87 hours
Mathematics
1 answer:
Naily [24]2 years ago
7 0

Total deduction

  • 7.65+12+8
  • 19.65+8
  • 27.65%

Now

Earnings after deduction

  • 10-10(0.2765)
  • 10-2.765
  • 7.335$

Total hours:-

  • 640/7.335
  • 87.25
  • 87hours
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Which pair of equations below is a result of constructing the altitude, h, in traingle ABC?
Korolek [52]

Answer:

sinA = h/c; sinC = h/a

Step-by-step explanation:

Which pair of equations below is a result of constructing the altitude, h, in Triangle ABC?

sinA= h/c

sinC= h/a

sinA= h/c

sinB= b/c

sinA= b/c

sinC= b/a

Solution:

A triangle is a polygon with three sides and three angles. There are different types of triangles such as right angled, acute, obtuse and isosceles triangle.

In right angle triangle, one angle is 90°. From Pythagoras theorem, the square of the longest side (hypotenuse) is equal to the sum of the square of the two sides.

In right triangle, trigonometric identities are used to show the relationship between the sides of a triangle and the angles.

sinθ = opposite / hypotenuse, cosθ = adjacent / hypotenuse, tanθ = opposite / adjacent

Therefore in triangle ABC:

sinA = h/c;  sinC = h/a

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2 years ago
The sum of three numbers is 50. One number is five more than a second number. It is also twice the third. Find the numbers.
Blababa [14]
Let
One Number = x
Second Number =x-10
Third Number=x/2

Sum of three numbers is 50
x+x-10+x/2=50
2x-10+x/2=50
Multiply by 2 both sides
2*(2x-10+x/2)=50*2

4x-20+x=100
5x=100+20
5x=120
x=120/5
x=24

One number = x=24
Second number =x-10=24-10=14
Third number= x/2=24/2= 12
8 0
3 years ago
A circle has its center at (−1, 2) and a radius of 3 units. Find the equation of the circle using the Pythagorean Theorem. PLEAS
notka56 [123]
Pythagorean Theorem is for triangles not circles. 

The equation of a circle is (x - h)² + (y - k)² = radius² where (h, k) is the center.

Plug in your given information and simplify.

(x - (- 1))² + (y - 2)² = (3)²

(x + 1)² + (y - 2)² = 9 is your equation. 
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3 years ago
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slega [8]

Answer:

option 1

Step-by-step explanation:

Corresponding parts of congruent triangles are equal or congruent

5 0
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vladimir1956 [14]
B is the righ one i guess
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