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Blababa [14]
3 years ago
15

The variables y and x have a proportional relationship, and y = 28 when x = 21.

Mathematics
1 answer:
trapecia [35]3 years ago
4 0

Answer:

X=313

Step-by-step explanation:

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Plz help ill give 15 points
yan [13]

Answer:

b

Step-by-step explanation:

5 0
2 years ago
Joan mails a package that weighs 140 G about how many ounces is the package use 1 oz equals 28.4 gram
Dima020 [189]

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about 5 ounces

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3 years ago
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four distinct circles are drawn in a plane. what is the maximum number of points where at least two of the circles intersect?
kolezko [41]

90 points where at least two of the circles intersect.

<h3>Define circle.</h3>

A circle is a closed, two-dimensional object where every point in the plane is equally spaced from a central point. The line of reflection symmetry is formed by all lines that traverse the circle. Additionally, every angle has rotational symmetry around the centre.

Given,

Four distinct circles are drawn in a plane.

Start with two circles; they can only come together in two places. The third circle contacts each of the previous two circles in two spots each, bringing the total number of intersections up to four with the addition of a third circle. The total number of intersections will rise by another 6 when a fourth circle intersects the first three. And the list goes on.

As a result, we get a recognizable, regular pattern: for each additional circle, there are two more intersections overall than in the circle before it.

The total number of intersections can be expressed as the sum because the maximum number of intersections of 10 circles must occur when each circle contacts every other circle in 2 places each.

2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 = 90.

90 points where at least two of the circles intersect.

To learn more about circle, visit:

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3 0
1 year ago
May I know the answer of number 1 pls quick
tino4ka555 [31]

n=9 would be your answer. Hope I helped

5 0
3 years ago
Read 2 more answers
Marion Lamar establish a tutoring service at a local mall they tutor college students in math and English they charge $40 per ho
Readme [11.4K]

Answer: $3300 profit

Step-by-step explanation

P = 40(h) - expenses

h = 200

Expenses = 4000,325,375

P = 40(200) - (4000+325+375)

P = 8000 - 4700

P = 3300

4 0
3 years ago
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