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koban [17]
3 years ago
10

Each month a tax is deducted from lucy's earnings. Which best describes the tax that is deducted from her pay check

Mathematics
1 answer:
faust18 [17]3 years ago
7 0

Answer:

h property tax

Step-by-step explanation:

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Nina is 10 years younger than deepak. Deepak is 3 times as old as Nina. Which system of equations can be used to find d,deepaks
Vesna [10]

Answer:

We can use linear system of equation with one variable.

Step-by-step explanation:

It is given that,Nina is 10 years younger than Deepak.

Deepak is 3 times as old as Nina.

<u>To solve this using linear equation</u>

Let d be the age of Deepak and n be the age of NIna

we can write,

n = (d - 10)   ---(1)

d = 3n    

d = 3(d - 10)  --------(2)

d = 3d - 30

3d - d = 30

2d = 30

d = 30/2 = 15

n - d - 10 = 15 - 10 = 5

Therefore the age of Deepak = 15 and age of Nina = 5

3 0
3 years ago
Read 2 more answers
It is known that the mass, m(t), of a radio-active substance decreases as it decays, and that the equation governing this is m′(
Murljashka [212]

Answer:

m(t) = m₀ e⁻⁰•⁰¹⁵ᵗ

Half-Life = 46.21 years.

Step-by-step explanation:

Radioactive reactions always follow a first order reaction dynamic

Let the initial mass of radioactive substance be m₀ and the mass at any time be m

(dm/dt) = -Km (Minus sign because it's a rate of reduction)

The question provides K = 0.015 from the given differential equation

(dm/dt) = -0.015m

(dm/m) = -0.015dt

 ∫ (dm/m) = -0.015 ∫ dt 

Solving the two sides as definite integrals by integrating the left hand side from m₀ to m and the Right hand side from 0 to t.

We obtain

In (m/m₀) = -0.015t

(m/m₀) = (e^(-0.015t))

m = m₀ e^(-0.015t)) = m₀ e⁻⁰•⁰¹⁵ᵗ

m(t) = m₀ e⁻⁰•⁰¹⁵ᵗ

At half life, m(t) = (m₀/2), t = T(1/2)

(m₀/2) = = m₀ e⁻⁰•⁰¹⁵ᵗ

e⁻⁰•⁰¹⁵ᵗ = (1/2)

In e⁻⁰•⁰¹⁵ᵗ = In (1/2)

-0.015t = - In 2

t = (In 2)/0.015

t = (0.693/0.015)

t = 46.21 years

Half life = T(1/2) = t = 46.21 years.

Hope this Helps!!!

7 0
3 years ago
What is the equation for m is between -2 and 5
Hatshy [7]
3 is my guess, tricky question tough?
8 0
3 years ago
Answer and get brainliest
Nitella [24]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
Solve the system. 2x + y = 3 −2y = 14 − 6x Write each equation in slope-intercept form.
barxatty [35]

Answer:

2x + y = 3

y = -2x + 3 <==

-2y = 14 - 6x

y = -14/2 + 6/2x

y = -7 + 3x

y = 3x - 7 <===

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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