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fomenos
3 years ago
8

What is the percentage

Mathematics
2 answers:
Misha Larkins [42]3 years ago
3 0

Answer:

a percentage is a part of 100 or a fraction over 100

Oxana [17]3 years ago
3 0
Part divided by whole then move the decimal over 2 to the right then you have a percentage
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Solve the inequality and give the interval notation
laila [671]
|7 - x| >= 1

When solving for x inside an absolute value, you can set up two equations. One for the positive and one for the negative(since we’re dealing with absolutes.

We end up with:
7 - x >= 1
7 - x <= -1 (inequalities’ signs flip when multiplying or dividing by a negative.)

7 - x >= 1
7 - 1 >= x
X <= 6

7 - x <= -1
7 + 1 <= x
X>= 8

X: (-infinity, 6]U[8, infinity)
6 0
3 years ago
7z² 5z⁴ d³ d⁸ what strategy to simplify or model
Shalnov [3]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
tims math homework is on five consecutive pages in the math textbook, and the sum of those page numbers is 630. what is the page
Brrunno [24]

Answer:129

Step-by-step explanation:

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3 0
3 years ago
Solve as a difference equation.
zhannawk [14.2K]

Solution :

Let y = amount of caffeine at a given time in body.

n = number of hours

So $\frac{dy}{dn}= - \ Y$

$\Rightarrow \frac{dY}{Y}=- 0.01 \ dn

ln Y = -0.01 n + C

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ln 130 = -0.01 x 0 + C

C = ln 130

$ \ln \frac{Y}{130} =- 0.01 \ n$

$Y = 130 \ e^{-0.01n}$

When Y = 65

$65 = 130 \ e^{-0.01 n }$

$\frac{65}{130}=e^{-0.01n}$

$\ln \frac{1}{2} = -0.01 \ n$

n = 69.315 hours

At n = 24 hours

$Y = 130 \ e^{-0.01 \times 24}$

Y = 102.26 mg

8 0
3 years ago
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larisa [96]
The domain of a function f(x) is a set of all values for which the function is defined. The range of is a set of all values that f takes.
5 0
3 years ago
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