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3 years ago

Help please i don’t understand

Mathematics

1 answer:

blagie [28]3 years ago

6 0

Answer:

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Step-by-step explanation:

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a pie tin has a circumference of about 25 inches. which is the best approximation for the radius of the tin

Kruka [31]

Let's model the problem like a circle.

The circumference of a circle is given by:

$C = 2 \pi r$

Where,

r: radius of the circle.

Clearing the radius we have:

$r = \frac{C}{2\pi }$

Then, replacing values we have:

$r = \frac{25}{2\pi }$

$r = 3.98 inches$

Answer:

The best approximation for the radius of the tin is:

$r = 3.98 inches$

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3 years ago

3^2•3^n simplifies to 3^20 what is the value of the exponent n?

Lemur [1.5K]

Given that:
$3^2 \times 3^n = 3^20$
Solving for n.
Divide both sides by 3²
$\frac{3^2 \times 3^n}{3^2} = \frac{3^{20}}{3^2}$
Simplify
$3^n= 3^{20-2} \\
3^n=3^{18} \\$
$if \ a^{f(x)}=a^{g(x)} , \ then \ f(x)=g(x)$
So, n=18

Answer: n=18

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3 years ago

3 shapes are combined to form a composite figure. a semicircle is on the bottom, and then a small rectangle connects the semicir

lakkis [162]

Answer:

(d) as a triangle, a rectangle, and a semicircle

Step-by-step explanation:

The description of the shape tells you how to decompose it. The shape is described as a semicircle, a rectangle, and a triangle. The appropriate decomposition is ...

as a triangle, a rectangle, and a semicircle

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3 years ago

What is the GCF of 16 and 72?

MrRissso [65]

The GCF for 16 and 72 is 8, as that is the largest multiple they can both be multiples by.

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3 years ago

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Answer:

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