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3 years ago

Define a variablr and write an enquality to model each situation

Mathematics

1 answer:

stich3 [128]3 years ago

6 0

Let n be the number of people in the restaurant: 0 ≤ n ≤ 172
Let a be a person's age. a ≥ 35

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If a circle has a Diameter of 4m and a Radius of 4 units. Then what is Circumference and Area of the circle?

Fiesta28 [93]

Answer & Step-by-step explanation:

$Circumference=d\pi \\Area=r^2\pi$

The diameter of the circle is 8 m and the radius of the circle is 4 units. So, now we have to plug in the numbers so we can find the circumference and the area of the circle.

$Circumference=(8)\pi$

$Circumference=25.12$

So, the circumference of the circle is 25.12 m.

$Area=(4)^2\pi$

$Area=16\pi$

$Area=50.24$

So, the area of the circle is 50.24 units².

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3 years ago

0.005680 is how much greater than 0.0004359

Lesechka [4]

Answer:

Answer is: 0.0052441

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3 years ago

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Sphere with a volume of 1767.1 . what is the radius?

Llana [10]

$\bf \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ V=1767.1 \end{cases}\implies 1767.1=\cfrac{4\pi r^3}{3}\implies 5301.3=4\pi r^3 \\\\\\ \cfrac{5301.3}{4\pi }=r^3\implies \sqrt[3]{\cfrac{5301.3}{4\pi }}=r\implies 7.4999\approx r$

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3 years ago

Sarah has a floor plan of the Jefferson building. The actual building is 168 feet long. What is the scale factor for the floor p

Bas_tet [7]

The answer is B. Hope I helped!

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3 years ago

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What is the value of x?<br>Enter your answer, as a decimal, in the box.

Oksana_A [137]

Answer:

42.9m

Step-by-step explanation:

The topic is on similar triangle

you are comparing triangle MNP with triangle MAB

side AB is similar to NP

side MA is similar to MN

side MB is similar to MP

now MA = MN - AN

= 67.2 - 32

= 35.2m

MA/MN = MB/MP

35.2/67.2 = x/81.9

cross multiply and solve

x = 42.9m

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3 years ago

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