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EleoNora [17]
2 years ago
5

Please help me with dis ion understand pwese help me :(

Mathematics
2 answers:
Morgarella [4.7K]2 years ago
6 0

Answer:

The formula for calculating the circumference of a circle is 2*pi*r. Because pi does not have an end, we'll use 3.14, since that is the approximate value of pi.

2*6*3.14 = 37.68

The outer rim of the pool is about 37.68 meters long

Step-by-step explanation:

It’s probably 40 because it says about how long not exactly.

I hope this helped

MrRa [10]2 years ago
4 0

Answer:

40m

Detailed explanation of answer:

Finding the length of the outer rim can be determined using the circumference of a circle formula. Since the rim is circular.

Therefore:

length of outer rim= 2πr

where its r is slightly larger than the radius of the pool

= 2 X ²²/7x 6

= 37.714metres

which is approximately 40m

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Cal is measuring temperature changes in four substances over different time periods as part of a school project. Which data show
djyliett [7]

Answer:

C) The third table. K= 5

C)\frac{10}{2}=\frac{15}{3}=\frac{25}{5}=\frac{40}{8}=k= 5

Step-by-step explanation:

1) Below there are the missing data:

A proportional relationship through a constant k. It is obtained when we divide:

k=\frac{y}{x}

2)In this case, when we divide the temperature (T) by the time (h).

k=\frac{T}{h}

3)So, examining the table below we are searching for a ratio k common to all measures (temperatures over hour).

A) \frac{12}{3}\neq\frac{25}{5}\neq\frac{36}{6}\neq\frac{81}{9}\\B) \frac{22.5}{3}\neq\frac{30}{4}\neq\frac{52.5}{7}\neq\frac{67.5}{8}\\C)\frac{10}{2}=\frac{15}{3}=\frac{25}{5}=\frac{40}{8}=k= 5\\D)\frac{8.5}{2}\neq\frac{22.5}{5}\neq\frac{28.5}{7}\neq\frac{36}{8}

3 0
3 years ago
Graph the image of F(-8, 10) after a rotation 180° counterclockwise around the origin.
pychu [463]

Answer:

F' is at (8, -10)

Step-by-step explanation:

clockwise or counter-clockwise do not matter when the rotation is 180°

6 0
2 years ago
Need answer ASAP <br> *MARKING BRAINLIEST
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Answer:

an = 4n +5

Step-by-step explanation:

First we need to find a common difference

d = a2-a1 = 13-9 = 4

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Distributing

an = 9+4n-4

Combine like terms

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andreev551 [17]

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Vladimir79 [104]

a right angle (90 degrees)

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3 years ago
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