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Vedmedyk [2.9K]
3 years ago
12

PLEASE HELP!!!

Mathematics
2 answers:
AnnZ [28]3 years ago
6 0

Answer:

= 15.7 \:  \: units \\  = 5\pi

Step-by-step explanation:

\frac{180}{360}  \times 2\pi \: r \\  \frac{1}{2}  \times 2 \times 3.14 \times 5 \\  = 15.7 \:  \: units \\  = 5\pi

hope this helps

brainliest appreciated

good luck! have a nice day!

Eva8 [605]3 years ago
4 0

Answer:

5π or 15.7

Step-by-step explanation:

the arc of the semicircle 1/2 circumference of circle = diameter*π =2*radius*π

radius = 5 so

1/2 *2*5*π =5π or 5*3.14 = 15.7

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20liters of mixture contain milk nad water in the ratio 5:3 if 4liters of the mixture are replaced by 4 liters of milk find the
Finger [1]

Answer:

the new ratio milk/water is  14:6  or 7:3

Step-by-step explanation:

milk/water=5/3

milk +water=5+3=8

ratio of milk=5/8  and ratio of water=3/8

if 4 liter removed from mixture then: 20=4= 16 liter

the amount of milk in 16 liter=16*5/8=10 liter of milk

the amount of water in 16 liter=16*3/8= 6 liter

add 4 liter of milk to the mixture: 10+4=14 liter of milk and 6 liter of water

the new ratio milk/water is  14:6  or 7:3

5 0
3 years ago
Tariq lives in Palm Beach, Florida, and purchased a house for $250,000. The amount of millage for property tax is 11.8. What is
IRISSAK [1]

Answer:

$29500

Step-by-step explanation:

We have been given that Tariq lives in Palm Beach, Florida, and purchased a house for $250,000. The amount of millage for property tax is 11.8%. We are asked to find the amount of property tax that Tariq paid.

To find the amount of property tax paid by Tariq, we need to calculate 11.8% of $250,000.

\text{Amount of property tax paid by Tariq}=\$250,000\times \frac{11.8}{100}

\text{Amount of property tax paid by Tariq}=\$2500\times 11.8

\text{Amount of property tax paid by Tariq}=\$29,500

Therefore, Tariq paid an amount of $29500 in tax.

6 0
3 years ago
Simplify the expression with using scientific notation (4 times 10 8)2
kifflom [539]

The scientific notation:

a\cdot10^n\\\\1\leq a < 10;\ n\in\mathbb{Z}

(4\cdot10^8)^2=4^2(10^8)^2=16\cdot10^{8\cdot2}=16\cdot10^{16}\\\\=1.6\cdot10\cdot10^{16}=1.6\cdot10^{17}

Used:

(a\cdot b)^n=a^n\cdot b^n\\\\(a^n)^m=a^{n\cdot m}\\\\a^n\cdot a=a^{n+1}

Answer: (4 × 10⁸)² = 1.6 × 10¹⁷

8 0
3 years ago
A certain country has 266.76 million acres of forest. Every year, the country loses 3.51 million acres of forest mainly due to d
djverab [1.8K]

Answer:

50 Years

Step-by-step explanation:

175.5 million (The difference) divided by 3.51 million equals 50.

3 0
3 years ago
Whoever answers all of these correctly gets a brainilist
Licemer1 [7]

1. 5.75x29.99 (the totals the answer)

2. 7.5x649.999

Do you understand what I'm trying to show? Do it with all of them and you should have the answers... but sorry if its wrong. Its been a while since I learned this.

6 0
3 years ago
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