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3 years ago

A) How much was Tom’s service charge for each month?

Mathematics

2 answers:

IrinaVladis [17]3 years ago

6 0

Answer:

see below

Step-by-step explanation:

April 148 = 6 dollar charge

May 201. 97 = 4 dollar charge

June = 101.61 = 6 dollar charge

July 418.53 = no charge

August 248.29 = 4 dollar charge

September 154.36 = 6 dollar charge

Total charge = 6+4+6+0+4+6 = 26

diamong [38]3 years ago

4 0

Answer:

April: $6

May: $4

June: $6

July: $0

August: $4

September: $6

b) $26

Step-by-step explanation:

April: $6

May: $4

June: $6

July: $0

August: $4

September: $6

Total: 6+4+6+0+4+6 = $26

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I need help PLEASE!!!

Stella [2.4K]

9514 1404 393

Answer:

y = -4/3x +23/2

Step-by-step explanation:

The tangent of interest is perpendicular to the radius at the given point on the circle. To find the perpendicular, it helps to know the slope of the radius segment. To find that, we need the center of the circle.

The center of the circle can be found by completing the square for each variable.

(x^2 -2x) +(y^2 +4y) = 20

(x^2 -2x +1) +(y^2 +4y +4) = 20 +1 +4

(x -1)^2 +(y +2)^2 = 25

Comparing this equation to the standard form equation for a circle, we can find the center.

(x -h)^2 +(y -k)^2 = r^2 . . . . . . . circle of radius r centered at (h, k)

The center of circle P is (1, -2).

The slope m' of the line segment between (1, -2) and (5, 1) is given by ...

m' = (y2 -y1)/(x2 -x1)

m' = (1 -(-2))/(5 -1) = 3/4

The slope m of the perpendicular line is the opposite reciprocal of this, so is ...

m = -1/m' = -1/(3/4) = -4/3

The y-intercept of the desired line can be found from ...

b = y -mx . . . . . . . for m=-4/3 and (x, y) = (5, 1)

b = 1 -(-4/3)(5) = 23/3

Then the equation of tangent line AB is ...

y = mx +b

y = -4/3x +23/3

6 0

3 years ago

Someone please help me!!!

allochka39001 [22]

first find the midpoint using formula and then use distance formula to find the radius and apply the formula for eqn of circle when center are given.

and answer is A

5 0

4 years ago

Is y = 5 a solution to the inequality below?<br><br> y > 4

Elena-2011 [213]

Answer: Yes and it could be greater than 5 but it has to be greater than 4

7 0

3 years ago

Read 2 more answers

A person on the ground looks up at an angle of 28° and sees the top of a tree and the top of a building aligned. The tree is 20

lorasvet [3.4K]

Answer:

21.27 meters.

Step-by-step explanation:

Please find the attachment.

Let H and h represent height of building and tree respectively.

We have been given that a person on the ground looks up at an angle of 28° and sees the top of a tree and the top of a building aligned. The tree is 20 m away from the person and the building is 60 m away from the person.

We know that tangent relates opposite side of a right triangle with its adjacent side.

$\text{tan}=\frac{\text{Opposite}}{\text{Adjacent}}$