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3 years ago

The linear function graphed below represents Tim’s age in the years since he was married. Which of these statements is correct?

Mathematics

2 answers:

MAVERICK [17]3 years ago

5 0

The correct answer is

C) The initial value is 32, and the rate of change is 1.

I just took the quiz on edge

sukhopar [10]3 years ago

4 0

Answer:

B) The initial value is 22, and the rate of change is 15.

Step-by-step explanation:

The first point is located at (22, 54). This means the initial value is 22.

The rate of change is found using the formula

$m=\frac{y_2-y_1}{x_2-x_1}$

Using the first two points, we have

$m=\frac{69-54}{37-22}\\\\=\frac{15}{15}=1$

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A toxic radioactive substance with a density of 9 milligrams per square centimeter is detected in the ventilating ducts of a nuc

Nutka1998 [239]

60.5 milligrams per square centimeter First, determine how many half lives have expired by dividing the time by the half-life. So: 55/20 = 2.75 That means that only 2^(-2.75) = 0.148650889 = 14.8650889% of the original substance remains. So just divide the amount remaining by 0.148650889 to get the original amount. 9 / 0.148650889 = 60.5445419 So originally, there was 60.5 milligrams per square centimeter 55 years ago.

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3 years ago

Read 2 more answers

PLEASE HURRY IM TIMED!!!

andriy [413]

Answer-

A. Brandon’s sound intensity level is 1/4th as compared to Ahmad’s.

Solution-

Given that, loudness measured in dB is

$L=10\log \frac{I}{I_0}$

Where,

I = Sound intensity,

I₀ = 10⁻¹² and is the least intense sound a human ear can hear

Given in the question,

I₁ = Intensity at Brandon's = 10⁻¹⁰

I₂ = Intensity at Ahmad's = 10⁻⁴

Then,

$L_1=10\log \frac{I_1}{I_0}=10\log \frac{10^{-10}}{10^{-12}}=10\log \frac{1}{10^{-2}}=10\log 10^{2}=2\times10\log 10=20$

$L_2=10\log \frac{I_2}{I_0}=10\log \frac{10^{-4}}{10^{-12}}=10\log \frac{1}{10^{-8}}=10\log 10^{8}=8\times10\log 10=80$

$\therefore \frac{L_1}{L_2} =\frac{20}{80} =\frac{1}{4}$

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3 years ago

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Georgia [21]

2/5= 40%, so no, they are not equivalent numbers,

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3 years ago

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Tema [17]

Answer:

the answer will be 0.462

Step-by-step explanation:

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2 years ago