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nadya68 [22]
3 years ago
11

The definition of a circle uses the undefined term? ..

Mathematics
1 answer:
Naddika [18.5K]3 years ago
6 0

Answer:

Plane

Step-by-step explanation:

or C

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Find the eslope of the line pasing throungh the points A(5,-9) and B (-5,7).
Elena L [17]

Step-by-step explanation:

(7+9)/(-5-5)= 16/-10= -8/5

y + 9 = -8/5(x - 5)

y + 9 = -8/5x + 8

y = -8/5x - 1

3 0
2 years ago
Does the associative property hold true for division of integers
LuckyWell [14K]

Answer:

The associative property of integers does not hold true for subtraction and division of integers, as, in the case of subtraction and division, the order of the numbers is important and cannot be changed.

Step-by-step explanation:

For example, 2 - (8 - 9) = 2 - (-1) = 3. Now, if we change the order as 8 - (2 - 9) = 8 - (-7) = 15

7 0
2 years ago
What is the graph of the equation y=-2
Dimas [21]
It is a straight horizontal line going through the Y axis at -2 :)
8 0
3 years ago
What is the decibel level of the noise from a firecracker with intensity 10^-4 watts per square inch? Use a logarithmic model
vagabundo [1.1K]

Answer:

\large \boxed{\text{110 db}}

Step-by-step explanation:

The intensity β of a sound wave in decibels is given by the formula

\beta = 10 \log \left (\dfrac{I}{I_{0}} \right)

and I₀ = the reference intensity (10⁻¹² W/m²)

Data:

I = 10⁻⁴ W·in⁻²

Calculations:

1. Convert watts per square inch to watts per square metre

\text{Sound level} = \dfrac{10^{-4}\text{ W}}{\text{1 in}^{2}} \times \left(\dfrac{\text{39.37 in}}{\text{1 m}}\right )^{2} = 1.5 \times 10^{-1} \text{ W$\cdot$m}^{-2}

2. Convert the intensity to decibels.

\beta = 10 \log \left (\dfrac{1.5 \times 10^{-1}}{1\times 10^{-12}} \right) = 10\log(1.5 \times 10^{11}) = 10 \times 11 = \textbf{110 db}\\\text{The sound intensity of the firecracker is $\large \boxed{\textbf{110 db}}$}

4 0
3 years ago
Read 2 more answers
Which symbol will make the number sentence true?
Oksanka [162]

Answer:

<

Step-by-step explanation:

8/11=0.72727272727272727272727272 just repeated over and over again so its less

4 0
3 years ago
Read 2 more answers
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