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slava [35]
3 years ago
8

19 + x/2 = 4 How do I do this

Mathematics
1 answer:
GuDViN [60]3 years ago
6 0

Answer: x = -30

Steps:  19 + x/2 = 4

Subtract 19 from both sides: 19 + x/2 - 19 = 4 - 19

Simplify: x/2 = 15

Multiply both sides by two: x/2 (2) = -15 (2)

Simplify: x = -30

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The cup, on the 9th hole of a golf course, is located, dead center, in the middle of a circular green, which is 35 feet in radiu
ale4655 [162]

Answer:

± 27.33 ft

Step-by-step explanation:

For the given problem, we can estimate the initial and final coordinates of the line of the ball path as (-40,-50) and (0,0). Therefore, the slope is:

(-50-0)/(-40-0) = 50/40 = 1.25

Similarly, we can estimate the slope of a perpendicular line to the line of the ball path as: -1*(1/1.25) = -0.8.

Therefore, using (0,0) and the slope -0.8, the equation of the perpendicular line is: -0.8 = (y-0)/(x-0);

-0.8 = y/x

y = -0.8x

Furthermore, we are given the circle radius as 35 ft and we can use the distance formula to find the two points 35 ft far from the origin:

35^2 = x^2 + y^2

y = -0.8x

35^2 = x^2 + (-0.8x)^2

1225 = (x^2 + 0.64x^2)

1225 = 1.64x^2

x^2 = 1225/1.64 = 746.95

x = sqrt(746.95) = ± 27.33 ft

5 0
3 years ago
What is the balance on a deposit of $1,150 that earns 9% interest compounded annually for 2 years
igor_vitrenko [27]
Step One: Calculate interest.

1150*0.09=103.5

Step Two: Calculate the amount at the end of the first year.

1150+103.5=1253.5

Step Three: Calculate the amount at the end of the second year. This will be your final answer.

1253.5+103.5=1357

$1357 balance
3 0
3 years ago
These two are messing with me, can someone help?
soldier1979 [14.2K]

Answer:

i dont understand, can you elaborate

Step-by-step explanation:

7 0
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A letter that represents a number
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3 years ago
Urgent please help!!
wolverine [178]

Answer:

i think it would be B because if AC= 80 and thats like the distane between then abc would be 80 if im thinking right

Step-by-step explanation:

but  hey if im wrong ill have my friend punch me in the arm to make it even

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2 years ago
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