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galben [10]
3 years ago
11

David bought a poster for an art project. The poster is 2.7 ft wide and 3.9 ft tall. What is the area of the poster? Enter your

answer as a decimal in the box.
Mathematics
1 answer:
algol133 years ago
7 0
10.53 ft is the Area. :D:D
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Find the value of x. If necessary, round to the nearest tenth.
barxatty [35]
A = 1/2bh
27 = 1/2 x^2
x^2 = 54
x = 7.3

answer
x = 7.3
8 0
3 years ago
Can someone please help me
Kryger [21]

Based on definition of <em>unit</em> circle and <em>angle</em> properties on <em>Cartesian</em> plane, we find the following results: A: π/5, B: 3π/7, C: 4π/3.

<h3>How to determine angles in a unit circle</h3>

<em>Units</em> circles are commonly used to understand angles and <em>trigonometric</em> functions in a simple way. Vectors in a <em>unit</em> circle are <em>ordered</em> pairs of <em>polar</em> form: (x, y) = (cos θ, sin θ).

To solve this problem, we must take these tips into account:

  1. Angles in the <em>first</em> quadrant are within 0 < θ < π/2.
  2. Angles in the <em>second</em> quadrant are within π/2 < θ < π.
  3. Angles in the <em>third</em> quadrant are within π < θ < 3π/2.
  4. Angles in the <em>fourth</em> quadrant are within 3π/2 < θ < 2π.

Then, we have the following results: A: π/5, B: 3π/7, C: 4π/3.

To learn more on angles: brainly.com/question/13954458

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3 0
2 years ago
Write the virtud for a parabola that satisfies the condition given. Then write the equation in the form y=ax^2+bc+c. Vertex (3,1
avanturin [10]

Answer:

  • y = 3(x -3)^2 +1
  • y = 3x^2 -18x +28

Step-by-step explanation:

For vertex (h, k) and vertical scale factor "a", the vertex form of the equation of a parabola is ...

  y = a(x -h)^2 +k

For (h, k) = (3, 1) and a = 3, the equation in vertex form is ...

  y = 3(x -3)^2 +1

__

Expanding this gives the equation in standard form.

  y = 3(x^2 -6x +9) +1

  y = 3x^2 -18x +28

8 0
3 years ago
An architect is designing a new windmill with four sails. In her sketch, the sails' center of rotation is the origin, (0,0), and
cupoosta [38]
Anwser: 2 and 9

step by step explanation:
5 0
3 years ago
.What is the crude mortality rate for Regionville? Regionville is a community of 100,000 persons. During 1985 there were 1,000 d
RSB [31]

Answer: C

Step-by-step explanation:

Crude mortality rate= total no of deaths in 1 year ÷ total population per 1000

total number of death that year 1985 is 1000 and the total population is 100000

= 1000/100,000

= 10 per 1000.

3 0
3 years ago
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