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2 years ago

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PLEASE HELP NOW I WILL MARK BRAINLYST IF CORRECT What property of equality is demonstrated below? 2 + (5 + 6) = (2 + 5) + 6

1 answer:

deff fn [24]2 years ago

6 0

The property demonstrated in the example 2 + (5 + 6) = (2 + 5) + 6 is The Associative Property.

We can tell this is the associative property because of what the associative property states. The associative property states that it doesn't matter where you put parenthesis when adding or multiplying numbers. Since we see an equation that has addition, and two equations being equal to each other, despite having different placements of parenthesis, we can see that this equation is demonstrating The Associative Property.

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Apopulation grows from its initial levelof 22,000 at a continuous growth rcte of 7.1% per year.a) Write a function to model the

solong [7]

Answer:

a) $P(t) = 22000(1.071)^{t}$

b) The population increases 7.1% each year.

Step-by-step explanation:

The continuous population growth model is given by:

$P(t) = P_{0}(1+r)^{t}$

In which $P(t)$ is the population after t years, $P_{0}$ is the initial population and r is the growth rate.

In this problem, we have that:

A population grows from its initial levelof 22,000 at a continuous growth rcte of 7.1% per year.

This means that $P_{0} = 22000, r = 0.071$

a) Write a function to model the population increase.

$P(t) = 22000(1 + 0.071)~{t}$

$P(t) = 22000(1.071)^{t}$

b) By what percent does the populaiion increase each year?

$r = 0.071$

So the population increases 7.1% each year.

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2 years ago

George took a test with a certain number of questions. Each question had the same value. He answered 10 questions incorrectly, w

stepan [7]

10 questions = 40%

X question = 100%

40x = 1000

X = 25 questions

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2 years ago

If one inch represents 5 feet, what dimensions would you use to make a scale drawing of a building 30 feet by 65 feet?

iogann1982 [59]

Answer:

30×5=150 feet and for 65 feet 65×5 = 325

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2 years ago

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A map has a scale of 1 inch =35 miles what is the distance if the distance on the map is 3.5

iren2701 [21]

Answer: 122.5 Miles.

Step-by-step explanation: This is because if you multiply 35 miles by 3.5 inches, you get 122.5 miles.

Hope this helps!

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2 years ago

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Can you guys help me out!! Also can y’all show the work!

Lelechka [254]

Answer:

233.3 cubic units

Step-by-step explanation:

Volume of a pyramid

$= \frac{1}{3}$ × base area × height

The volume of the pyramid

$= \frac{1}{3} \times (10 \times 10) \times 7$

$= \frac{1}{3} \times 100 \times 7$

$= 233.333...$

= 233.3 cubic units (rounded to the nearest tenth)

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2 years ago

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