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Novosadov [1.4K]
3 years ago
8

Just help me x.x And pls explain how you got the answer .-.

Mathematics
2 answers:
klio [65]3 years ago
6 0

Step-by-step explanation:

Distribute -1 across

-t-8=-7.1

-8+7.1=t

t=-0.9

ivanzaharov [21]3 years ago
4 0

Answer:

-0.9

Step-by-step explanation:

1

Distribute

-1(t+8) = -7.1

-t - 8= -7.1

2

Add  8  to both sides of the equation

3

Simplify

4

Divide both sides of the equation by the same term

5

Simplify

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aleksklad [387]

Given:

a.) The population of Arizona is estimated to increase by 6.2% every year.

b.) The population was 4.18 million in 2016.

For us to be able to determine the population in 2022, we will be using the following formula:

\text{ P = P}_0e^{rt}

Where,

P = Total population after time (t)

P₀ = Starting population = 4.18 million

r = Growth rate (in decimal form) = 6.2%/100 = 0.062

t = time (in years) = 2022 - 2016 = 6 years

e = Euler's number = 2.71828182845

We get,

\text{ P = P}_0e^{rt}\text{ = (4,180,000)(}2.71828182845)^{0.062(6)}\text{ P = 6,063,645.861797897 }\approx\text{ 6,063,646}

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One of the fastest recorded speeds of a cheetah is 26.8 m/s. Approximately, what is this speed in kilo meters per hour?
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96.48 kilometers per hour
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Consider the functions f(x) = 2x + 1 and g(x) = x^2 − 10 What is the value of f[g(3)]?
HACTEHA [7]

Answer:

-1

Step-by-step explanation:

Tip: Remember to always start from the inside, which would be g(3), in this case.

The first step in solving this problem is to solve for g(3).

To accomplish this, you must substitute 3 for x into the given equation g(x) = x^2 - 10

  • g(3) = 3^2 - 10
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The next step is to substitute the answer of g(3), -1, for x in the given equation f(x) = 2x + 1.

Because the equation is asking for f[g(3)], it becomes f(-1) because g(3) = -1.

  • f(-1) = 2(-1) + 1
  • f(-1) = -2 + 1
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Therefore, f[g(3)], or f(-1), equals -1

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3 years ago
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Answer:

Concept: Algebraic Representation

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