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insens350 [35]
2 years ago
11

PLEASE HELP!

Mathematics
1 answer:
Fed [463]2 years ago
8 0

Not sure for (b)

Step-by-step explanation:

(a)55+80+x=180 (angles inside the triangle)

135+×=+180

x=180-135

x=45

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Please help me with this math problem!! :) Will give BRAINLIEST!! :)
Kitty [74]

The rate of change will be positive and a point in the graph will be (1,250);
the function then would be y = 250x;
after 1 year she will owe USD 5,250;
she will have to make 33 payments.

How to form equation using slope and one point?
y - y1 = m(x - x1) is the equation of a straight line's point slope form, where m is the line's slope and (x1, y1) is the point through which the provided line passes.

Using slope-point equation, the equation for the payment can be taken as:
y-250 = [(500-250)/(2-1)]*(x-1)
y - 250 = 250*(x-1)
y = 250 + 250x - 250 = 250x;
Putting x = 12, for a year the amount paid is USD 3,000.
Amount she owes = USD (8250-3000) = USD 5,250;
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Thus, number of payments required = 8250/250 = 33

Thus, the rate of change will be positive and a point in the graph will be (1,250); the function then would be y = 250x; after 1 year she will owe USD 5,250; she will have to make 33 payments.

To learn more about slope point equation form tap on the link below:
brainly.com/question/24907633

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The diagram shows one way to develop the formula for the area of a circle. Pieces of a circle with radius r are rearranged to cr
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Question:

a. A = (2πr)(r)

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d. A =\frac{1}{2} (2\pi r)(2r)

Answer:

The correct option is A =\frac{1}{2} (2\pi r)(r)

Step-by-step explanation:

The formula for the area, A of a parallelogram = base, b × height, h

Therefore, since the base dimension is approximately half the perimeter of a circle, we have;

Base, b = 2·π·r × 1/2

Where the height of the parallelogram, as shown in the diagram is approximately the radius of the circle, we have;

Height, h = r

Therefore, the approximate area, A of the parallelogram is given by the following relation;

A = b × h =  2·π·r × 1/2 × r Which is the same as A = \frac{1}{2} (2\pi r)(r).

4 0
2 years ago
Write the first five multiples of 6 and 8?​
navik [9.2K]

Answer: The first five Multiples of 6 is 6,12,18,24,30.

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