3 years ago

A circle has a circumfence of 3.14 units what is the diameter of this circle ?

Mathematics

1 answer:

Agata [3.3K]3 years ago

4 0

Answer:

Step-by-step explanation:

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Choose True Or False Question #1. (3×5)+(5×5)=8×5 Question #2. (3×2)+(8×3)=8×5

lions [1.4K]

1: True

This is because (3×5)+(5×5)=40, and 8x5=40


2: False

This is because (3×2)+(8×3)=30, not 40.

I hope i helped :)

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3 years ago

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Kaleb rode his bike at a rate of 10 mph for 2 hours. How far did he ride?

Westkost [7]

20 miles! :)

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3 years ago

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The area of the octagon is how many meters squared? Show your work.

kykrilka [37]

It’s 18 have a amazing day?????? yeah hah spring break

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3 years ago

Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE

EleoNora [17]

Answer:

0, 10

Step-by-step explanation:

The given function is:

$g(y) = \frac{y-5}{y^2-3y+15}$

According to the quotient rule:

$d(\frac{f(y)}{h(y)}) = \frac{f(y)*h'(y)-h(y)*f'(y)}{h^2(y)}$

Applying the quotient rule:

$g(y) = \frac{y-5}{y^2-3y+15}\\g'(y)=\frac{(y-5)*(2y-3)-(y^2-3y+15)*(1)}{(y^2-3y+15)^2}$

The values for which g'(y) are zero are the critical points:

$g'(y)=0=\frac{(y-5)*(2y-3)-(y^2-3y+15)*(1)}{(y^2-3y+15)^2}\\(y-5)*(2y-3)-(y^2-3y+15)=0\\2y^2-3y-10y+15-y^2+3y-15\\y^2-10y=0\\y=\frac{10\pm \sqrt 100}{2}\\y_1=\frac{10-10}{2}= 0\\y_2=\frac{10+10}{2}=10$

The critical values are y = 0 and y = 10.

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3 years ago

Humans can hear sounds with frequencies up to 20,000 Hz, while dolphins can hear sounds as high as 150,000 Hz. Write these numbe

Goshia [24]

20,000 Hz = 2 × 10^4 Hz

150,000 Hz = 1.5 × 10^5 Hz

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3 years ago