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inysia [295]
2 years ago
10

Mia is finally able to upgrade her cellphone.The one she wants costs $220 but she can get it for 60% off

Mathematics
2 answers:
Fiesta28 [93]2 years ago
8 0

Answer:

she gets it for 88 40% of 220 is 88

Step-by-step explanation:

kirill115 [55]2 years ago
3 0

Answer:

The answer would be  $79.20

Step-by-step explanation:

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If point A is located at (5,-7) and there are 8 points between A and B, what could be the possible coordinates for point B?
aleksandr82 [10.1K]

Answer: The possible cordinates (X,Y) of B can be found with the formula Y = √(8^2 - (X- 5)^2) - 7 where  -3 ≤ X ≤ 13

Step-by-step explanation:

The point A is located at (5, -7)

And we know that we have 8 units of difference between A and B.

The equation of a circle centerd in the point (x0, y0) is:

(x - x0)^2 + (y - y0)^2 = r2

where r is the radius of the circle

So we can draw a circle of 8 units around A, and get:

(X - 5)^2 + (Y - (-7))^2 = 8^2

So from this equation we can find all the possible values of B, for this we can isolate one of the variables in one side and get a function.

Y = √(8^2 - (X- 5)^2) - 7

So for a given value of X, you can find the value of Y. where you need to remember that (8^2 - (X-5)^2) can not be a negative number, so we must have that:

8^2 ≥ (X - 5)^2

So X can go from -3 (because (-3 - 5)^2 = 8^2)

to X = 13 (because (13 - 5)^2 = 8^2)

So X is in the range {-3, 13}

4 0
3 years ago
Read 2 more answers
Reflect each point in the x-axis and y-axis
Vilka [71]

Step-by-step explanation:

1. x: (-12, -13) y: (12, 13)

2. x: (4 ,9) y: (-4, -9)

3. x: (-10, 8) y: (10, -8)

7 0
3 years ago
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Alex needs 2.5 yards of fabric to make a costume for homecoming .how many inches of fabric does he need?
zzz [600]

2.5*36=90 inches

Alex need 90 inches of fabric to make a costume for homecoming.

6 0
3 years ago
What is the opposite of 56?What is the value of –(-4)?
kicyunya [14]

Answer:

-56;+4

Step-by-step explanation:

56 oopposite is -56

-(-4)=+4

4 0
2 years ago
A machine laying underground cable can place 125 meters of cable in 5 minutes.What is the rate per minute?
kaheart [24]

Answer:

25 m of cable per minute

Step-by-step explanation:

The unit rate is:

125 m of cable

---------------------- = 25 m of cable per minute

      5 minutes

7 0
3 years ago
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