MATHEMATICS HIGH SCHOOL

Suppose that the cost of a paving stone is $2.50 plus $.18 for every 4 in.³ of concrete how much would each paving stone cost ?

Answers

Answer 1
Answer: We need to know the dimension of the paving stone.

For example, the paving stone is shaped like a rectangular prism with the following dimension.

Length = 10 inches
Width = 3 inches
Height = 2 inches

Volume of a rectangular prism = Length * Width * Height
V = 10 in * 3 in * 2 in
V = 60 in³

60 in³ / 4 in³ = 15

cost of paving stone = 2.50 + .18(15) = 2.50 + 2.7 = 5.20 per paving stone.

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Help!The _______ is the key to deriving the equations for four conic sections.

Midpoint formula

Pythagorean theorem

Distance formula

Answers

Answer:

The correct answer is Distance Formula

Step-by-step explanation:

The shape of the conics in the conic section is characterized by a factor called eccentricity of the conic and further derivations are done using this factor.

And the eccentricity of the conics can be calculated by taking the center-to-focus distance and dividing it by the semi-major axis distance. So, to find the eccentricity of the conic, one must know how to apply the distance formula.

Hence, Distance Formula is the key to deriving the equations for conic sections

Answer:

answer is Distance Formula

Step-by-step explanation:

In the diagram ce =12 and be=5 based on the given info ae =

Answers

the answer is ae=12 that what i got right on my test
12 - it is congruent to CE

How do you find the f(x) inverse using fractions?

Answers

for example.. 1) switch places of x and y. x=3y+1 x=3 y +1
2) try to solve for y. so multiply the denominator by x to get rid of it
3) after multiplying, ur left with xy+x=3 x y + x=3
4) that converts to 2xy= x y =3
5) get rid of 2x on left by placing it on the right
6) convert y to inverse function

Cecilia says she can use addition to solve multiplication problems. is cecilia correct?

Answers

she is correct you can just add the number you are trying to multiply various times like for example 3x32 it can just be 32+32+32
Yes. For example, if you are trying to get the answer to the multiplication problem 3x2, the answer would be 6 and if you did addition, you would be adding 3+3 and get the same answer. 3x5 would be 3+3+3+3+3.

Determine the equation of combined variation. Then solve for the missing value.x varies directly with y and inversely with z.
x = 5 when y = 10 and z = 5.
Find x when y = 20 and z = 10.

its not 10

Answers

The answer might be 15

Which of the following statements is true of a reflection? Select all that apply. It is an isometry. It slides a plane. The transformation is done over a line of reflection. It flips a plane about a fixed line. It changes the size of the figure being reflected.

Answers

Answer: It is an isometry.

The transformation is done over a line of reflection.


Step-by-step explanation:

A reflection is a transformation that flips a figure on the coordinate plane across a given line without changing the shape or size of the figure.

From the definition of reflection, the figure and its image are congruent ,thus it is an isometry.

It does not slides a plane or flips a plane and does not changes the size of the figure.

It is an isometry and the transformation is done over a line of reflection. Option (a) and option (c) is correct.

Further explanation:

Given:

The statements about reflection are as follows,

(a). It is an isometry.

(b). It slides a plane.

(c). The transformation is done over a line of reflection.

(d). It flips a plane about a fixed line.

(e). It changes the size of the figure being reflected.

Explanation:

Isometryis a mapping of space to another space so that the length between the points is same as the length in the original space. Translation and the rotation are the isometries of plane.

Reflection is a transformation. The preimage is just flipped along a line of reflection to get a new image.

It is an isometry and the transformation is done over a line of reflection.

Option (a) is correct.

Option (b) is not correct.

Option (c) is correct.

Option (d) is not correct.

Option (e) is not correct.

Learn more:

  1. Learn more about inverse of the function brainly.com/question/1632445.
  2. Learn more about equation of circle brainly.com/question/1506955.
  3. Learn more about range and domain of the function brainly.com/question/3412497

Answer details:

Grade: Middle School

Subject: Mathematics

Chapter: Number System

Keywords: statements, true, reflection, isometry, slides, plane, transformation, done, over, line of reflection, flips, plane, fixed line, changes, the size, reflected, translation.
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