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konstantin123 [22]
3 years ago
9

12. Find the radius of a circle with a circumference of 457 centimeters.

Mathematics
1 answer:
irga5000 [103]3 years ago
6 0

Step-by-step explanation:

Circumference=d\pi\\Circumference=2r\pi

Since we need to find the radius, then we will rearrange the second formula.

Radius=\frac{C}{2\pi }

Radius=\frac{457}{2\pi }

Radius=\frac{457}{6.28}

Radius= 72.8 (rounded)

So, the radius of a circle that has a circumference of 457 is about 72.8 cm

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Three times a number increased by 8 is no more than 24
Naily [24]

Answer:

3x + 8 ≤ 24

Step-by-step explanation:

Three times a number

3x

increased by 8

+ 8

no more than 24

≤ 24

---------------------

Altogether

3x + 8 ≤ 24

5 0
3 years ago
Help will give brainlessly
zysi [14]
90 for the first one

120 for the second one

4 0
3 years ago
Jeremy has a set of wooden sticks with the length of 10cm, 12cm, and 15cm. Explain whether or not he would be able to form a tri
Wewaii [24]

Answer:

YES, he would be able to form a triangle with these tree sticks

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The sum of the lengths of any two sides of a triangle is greater than the length of the third side. And this MUST be true with all combinations

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10+15 is greater than 12

15 +12 is greater than 10

5 0
3 years ago
um sapato é vendido a r$ 180,00. se a compra for a vista a loja oferece um desconto de 10%. qual o valordo sapato na compra a vi
WARRIOR [948]

Preço de um sapato = $ 180,00

Desconto concedido se o sapato for comprado em dinheiro = 10%

Custo do calçado quando comprado à vista :

=\tt 180 - 10\%  \:  \: de  \:  \: 180

= \tt180 -  \frac{10}{100}  \times 180

=\tt180 -  \frac{10 \times 180}{100}

= \tt180 -  \frac{1800}{100}

=\tt 180 - 18

\color{plum} =\tt\$162.00

▪︎<em>Assim, preço do sapato quando comprado em dinheiro = $ 162,00</em>

3 0
3 years ago
URGENT
SVETLANKA909090 [29]

Given that there is a survey of 100 randomly selected female members of the gym about choosing between "easy weight-lifting machines or the harder free weights".

Report of the survey says that "female members at the gym prefer the weight-lifting machines over the free weights."

Now we have to select from the given statements that correctly evaluate the report.

According to me "The question is biased towards a response of preferring to use weight-lifting machines." because description of word "hard" is used for "free weights" while word "easy" is used for "machines". That may persuade some people to choose the machine.


Since 100 females are randomly selected not specifically so "The sample is not biased."


Hence final answer should have two statements:

1) The question is biased towards a response of preferring to use weight-lifting machines.

2) The sample is not biased.

5 0
3 years ago
Read 2 more answers
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