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Gre4nikov [31]
2 years ago
12

The table below shows the linear relationship between the number of people at a picnic and the total cost of the picnic.

Mathematics
1 answer:
8_murik_8 [283]2 years ago
3 0

The true statements are:

  1. The independent variable is the number of people.
  2. The rate of change is $8.67 per person.
  3. As the number of people increases, the total cost of the picnic increases.

<h3>What are the true statements?</h3>

The independent variable is the variable that determines the value of the dependent variable. There is a positive relationship between the number of people at the picnic and the total cost. This is because it can be seen as the number of people at the picnic increases, the total cost changes.

Rate of change = total cost / number of people

$52 / 6 = $8.67

To learn more about independent variables, please check: brainly.com/question/26287880

#SPJ1

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If 3 x 742 = 2,226, then
Shkiper50 [21]

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Step-by-step explanation:

3 0
3 years ago
Here is a tunnel for a toy train.
jonny [76]

The <em>total</em> area of all six faces of the tunnel is 614.197\pi square centimeters.

<h2>Procedure - Surface area of a tunnel for a toy train</h2>

The surface area of the solid (A) used to represent the tunnel for a toy train is the sum of its six faces (two <em>semicircular</em> sections, inner <em>semicircular</em> arc section, outer <em>semicircular</em> arc section, two rectangles).

<h3>Determination of the surface area of the tunnel based on information of the diagram</h3>

We calculate the surface area as following:

A = 2\cdot \frac{\pi}{2} \cdot [(10\,cm)^{2}-(8\,cm)^{2}] + \pi\cdot (8\,cm)\cdot (30\,cm) + \pi\cdot (10\,cm)\cdot (30\,cm) + 2\cdot (2\,cm)\cdot (30\,cm)

A = 614.197\pi\,cm^{2}

The <em>total</em> area of all six faces of the tunnel is 614.197\pi square centimeters. \blacksquare

To learn more on surface areas, we kindly invite to check this verified question: brainly.com/question/2835293

5 0
2 years ago
A. X=3 m<br> B. X=5 m<br> C. X=6 m<br> D. X=9 m
enyata [817]

Answer:

ok so we can divide 15 by 5 to get 3

so we know the building is 3 times bigger

so we multiply 3 by 3 to get 9

so the answer is D

8 0
3 years ago
Read 2 more answers
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