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Amiraneli [1.4K]

3 years ago

7

ANSWER ASAP GIVING BRAINLIEST 5 STARS AND A HEART!

2 answers:

Alenkinab [10]3 years ago

8 0

Answer:

If the radius of a Circle is tripled, then its diameter is also tripled, and subsequently, its circumference is also tripled. Pi remains a constant.If the diameter is doubled (say the original length was 2, now the length is 4), the circumference will also double (the original circumference is 2π , now the circumference is 4π )

Step-by-step explanation:

Look Above!

mina [271]3 years ago

3 0

Hello, I am BrotherEye

Answer:

If the radius of a Circle is tripled, then its diameter is also tripled, and subsequently, its circumference is also tripled. Pi remains a constant.If the diameter is doubled (say the original length was 2, now the length is 4), the circumference will also double (the original circumference is 2π , now the circumference is 4π )

Step-by-step explanation:

Look Above!

Best Of Luck

~

BrotherEye

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The 8th and 20th terms of an arithmetic sequence are 20 and 56 respectively. What is the 1st term of the sequence.

Ostrovityanka [42]

Answer:

<h3> a₁ = -1</h3>

Step-by-step explanation:

$a_n=a_1+d(n-1)\\\\a_8=a_1+d\cdot7\\\\a_{20}=a_1+d\cdot19\\\\a_{20}-a_8=a_1+19d-(a_1+7d)=12d\\\\56-20=2d\\\\12d=36\\\\d=3\\\\\\ a_1+3\cdot7=20\\\\a_1=20-21=-1$

6 0

3 years ago

The minute hand of a clock is 7 inches long. How far does the tip of the minute hand move in 5 minutes? If necessary, round the

FromTheMoon [43]

The movement of the minute hand is circular.

Tangence speed is V=2Rπ/T= 2*7*3.14/3600 inches/sec=0.012211 inches/sec

The path (distance) that minute hand past is D=V*t = 0.012211 * 5 min= 0.012211 * 300sec=>

D=3.663≈3.66 inches

Good luck!!!

6 0

3 years ago

5/22 is that rational number

PIT_PIT [208]

Yes because 5/22 is 4 2/5 and that equals .4

3 0

3 years ago

Hom many 1/4 ft fish food boxes could fit in a 3 3/4 ft box

IrinaK [193]

Answer : There are 13 fish food bags are could fit in a box of size $3\frac{1}{4} ft$ .

Explanation :

Length of box = $3\frac{3}{4}$ ft

Length of fish food box = $\frac{1}{4}$ ft

Number of fish food boxes could fit in a box = $\frac{\text{length of a box}}{\text{length of fish food box}}$

Number of fish food boxes could fit in a box $=\frac{3\frac{1}{4}}{\frac{1}{4}}\\=\frac{\frac{13}{4}}{\frac{1}{4}}\\= \frac{13}{1}$

Hence, there are 13 fish food bags are could fit in a box of size $3\frac{1}{4} ft$ .

3 0

3 years ago

Help me please lolll

Sergeu [11.5K]

Answer:

2.423

Step-by-step explanation:

Surface that is not water: 5.1 - 3.61 = 1.49

How many times water is bigger than not water: 3.61/1.49 = 2.423

4 0

2 years ago