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2 years ago

Please answer these questions! will mark brainlist!

Mathematics

2 answers:

timofeeve [1]2 years ago

7 0

1st photo....

Yes

Explanation

All when divided becomes 1/3 , so it is proportional...

Pls mark brainliest

2nd photo....

Yes

Explaination

Also when divided becomes 1/3... Same proportional

lions [1.4K]2 years ago

7 0

Answer:

1: yes 2: 3 cookies per pouch 3: 1, 2, 36 4: 10, 20, 30, 40 5: yes

Step-by-step explanation:

1: they all equal three when divided so it is proportional

2: when you divide each set the answer is three so the number of cookies in each pouch is three

3: since it is proportional you can divide 27 by three to get 9. then figure out what number times 9 gives you the answer which is 1 and 2. then for the last answer you just multiply 9 times 4 which equals 36.

4: each set represents 10 reps so each time it would go up by 10

5: every hour he adds 3 logs so it is proportional because every hour the number of logs will increase by 3.

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3 years ago

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3 years ago

How many solutions does this system have?

Lena [83]

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3 years ago

How do I find the surface area of a right circular cone?

UkoKoshka [18]

Greetings!

"How do I find the surface area of a right circular cone?"...

The formula to find the surface area of a right cone is :
$=\pi r(r+ \sqrt h^2+r^2)$

Lets it out:
$r=5$ and $h=12$

$=\pi(5)((5)+ \sqrt (12)^2+(5)^2)$
Follow PEDMAS.
$=\pi(5)((5)+ \sqrt 169)$
$=\pi(5)((5)+ 13)$
$=\pi(5)(18)$
$=15.7079633(18)$
$=282.743339$

The SA of the cone would be 282.743339.

Hope this helps.
-Benjamin

8 0

3 years ago