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3 years ago

You want to know about how long it takes to walk around a circular pond.

Mathematics

1 answer:

vova2212 [387]3 years ago

5 0

Answer:

A. Circumference

General Formulas and Concepts:

Geometry

Circumference is the length of the edge of a shape
Area is the space it takes up in total

Step-by-step explanation:

Since we are walking around the lake and not trying to figure out how much space it is taking up, we would be dealing with circumference in this case.

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Find the x-intercept and y-intercept of the line.

Mice21 [21]

$5y = 6x + 21 \\ y = \frac{6}{5} x + \frac{21}{5}$

y intercept:

$y = \frac{21}{5}$

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3 years ago

Share £747 in the ratio 2:7

ivanzaharov [21]

Ratio: 2:7
2+7 = 9

747 / 9 = 83

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Answer:

-3

Step-by-step explanation:

you start with the parentheses -16-9 turns into -16 + (-9)

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3 years ago

Find the volume of this sphere.

Sholpan [36]

<h3>Calculate the volume of the sphere</h3>

To start finding the volume of this sphere, we get the following data:

π = 3
r = 2 ft²

To find the volume we apply the following formula:

$\boldsymbol{\sf{V= \dfrac{3}{4}\pi r^{2} }}$ , where

v = volume
π = pi
r = radius

We substitute our data in the formula and solve:

Substituting values into the equation

$\boldsymbol{\sf{V=\dfrac{3}{4}*3*(2 \ ft)^{3} }}$

Calculate exponent cubed

$\boldsymbol{\sf{V=\dfrac{3}{4}*3*8 \ ft^{3} }}$

Multiplying

$\boxed{\boldsymbol{\sf{V=32 \ ft^{3} }}}$

Therefore, the volume of the sphere is 32 ft³.

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2 years ago

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Customers at an ice-cream shop took a survey. The results showed that 144 customers rated the shop as being “very satisfactory.”

Oksana_A [137]

Answer:

320 Customers took the survey

Step-by-step explanation:

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