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andrezito [222]
3 years ago
15

HELP PLEASE !!!

Mathematics
1 answer:
saul85 [17]3 years ago
5 0
X - 4y = 12 ----(1)
y = 1/4 x - 3 ----(2)

(2)*4 ; 4y= x-12
(1) is exactly the same equation with (2)
so there are many solutions (c)
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The diameter of a circle is 14 in. Find its area in terms of <br> π<br> π.
maksim [4K]

Answer:

49π in²

Step-by-step explanation:

Step 1: Find the radius.

  • To find radius given diameter, just divide the diameter by 2: \frac{14}{2}
  • 14/2 = 7, so the radius is 7.

Step 2: Apply area of circle formula.

  • The formula to find the area of a circle is πr², where r = radius.
  • Now, plug in the value of r: π(11)².

Step 3: Simplify.

  • π(11)²
  • π(121)
  • 121π

Since we're finding the area in terms of pi, we don't have to multiply 121 by pi, so the answer is 49π in².

4 0
3 years ago
A circle has a diameter of 16 cm. What is its circumference?
Olegator [25]

Answer:

the answer is 50.27 cm for your question

8 0
3 years ago
2. The population in the South in 2000 was 100,236,820. In 2010, the population in the South had increased by 14.3% from 2000. A
vovangra [49]
I'm pretty sure your answer would be <span>114,570,685 sorry if its wrong</span>
3 0
3 years ago
203 red, 117 white, and 28 blue. She asked the students to draw marbles from the box, one at a time and without looking. What is
grandymaker [24]

Answer:

7

Step-by-step explanation:

Since the goal is to draw three marbles of the same colour, regardless of which colour that is, the worst possible scenario would be drawing two marbles of each color in the first six picks (2 red, 2 white and 2 blue). At this point, with the 7th pick, no matter what colour marble the student picks will form three of the same kind.

Therefore, the minimum number of marbles which students should take from the box to ensure that at least three of them are of the same colour is 7.

8 0
3 years ago
Help please guys i need help
ra1l [238]

The area is found by multiplying the length by the width.

The original area = 60 x 40 = 2,400 square feet

He wants to make it 1/2 that size, so the new size would be 2,400 / 2 = 1,200 square feet.

To find the length divide the new area by the new width:

1,200 / 30 = 40

The new length should be 40 feet.

6 0
3 years ago
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