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svlad2 [7]
3 years ago
14

Write an equation for the relation.

Mathematics
1 answer:
NeX [460]3 years ago
8 0

Answer:

the answer is f(x)= x-2

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Cindy is baking a 2-layer cake. The top layer has a diameter of 8 inches and the bottom layer has a diameter of 10 inches. What
Alenkinab [10]

The difference in area between the top surfaces of the two cakes is 28.26 inches²

<h3>Area of a circle</h3>
  • area = πr²

where

r = radius

Therefore,

area of top layer = πr²

d = 2r

r = d / 2

r = 8 / 2

r = 4 inches

area of top layer = 3.14 × 4²

area of top layer = 3.14 × 16

area of top layer = 50.24 inches²

area of the bottom layer = πr²

r = 10 / 2 = 5 inches

area of the bottom layer = 3.14 × 5²

area of the bottom layer = 3.14 ×25

area of the bottom layer = 78.5 inches²

Difference in area between the top surfaces of the two cakes can be found as follows:

  • 78.5 - 50.24 = 28.26 inches²

learn more on circle here: brainly.com/question/10264279

5 0
3 years ago
Work Out The Area Of The Shape:<br><br> (Picture is shown in attachment)
Elenna [48]

Answer:

<h2><u>Solution</u><u> </u><u>:</u><u>-</u></h2>

The given shape is known as Trapezium or Trapezoid.

Area of trapezium = ½(Sum of parallel dides) × Height

Area = ½ (3 + 6) × 4

Area = (3 + 6) × 2

Area = 9 × 2

Area = 18 m²

\\

7 0
2 years ago
Solve x^2 + 6x + 4=0?
kati45 [8]
You need to use the quadratic formula for this question.
\frac{-b+- \sqrt{b^2-4ac} }{2a}
In your equation, a is 1, b is 6, and c is 4. (I couldn't find a plus minus sign, so that's what the +- means, sorry if there's confusion.)
Sub those into the quadratic formula, and 
\frac{-6+- \sqrt{(6)^2-4(1)(4)} }{2(1)}
For the first answer, we should get 
x1=-0.7639, when you add the √6^2-4(1)(4)
For the second answer, we get
x2=-5.2361 when we subtract the √6^2-4(1)(4)
Therefore, the x values that make this equation equal to 0 should be approximately -0.7639 and -5.2361.
The more specific answers are
x1= -3+√5 and x2=-3-√5.

4 0
3 years ago
A small resort is situated on an island off a part of the coast of Mexico that has a perfectly straight north-south shoreline. T
topjm [15]
 1.7*(x2+9)0.5+(10-x)=min

Also, the 2 is an exponent.
4 0
3 years ago
Which statements below are true?
Alex17521 [72]

Answer:

A. Distance is always greater than or equal to the magnitude of the

displacement

Step-by-step explanation:

5 0
3 years ago
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