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2 years ago

I NEED HELP PLEASE !

Mathematics

1 answer:

ASHA 777 [7]2 years ago

6 0

Answer:

Umm. I believe this is a answer 27.2 sorry dude I will tell an expert to check this out just wait 2-3 min

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Question 1

allochka39001 [22]

Answer:

Step-by-step explanation:

Perimeter of quarter circle = r + r + $\frac{1}{4}*2*\pi *r$

$= 10 + 10 + \frac{1}{4}*2*3.14*10\\\\= 10 + 10 + 3.14*5\\\\\\= 10 + 10 + 15.70\\\\= 35.70 cm$

2) d = 2*10 = 20 cm

Perimeter of semicircle = diameter + (1/2) * circumference of circle

$= 20 + \frac{1}{2}* 2*\pi *r\\\\= 20 + \frac{1}{2}*2*3.14*10\\\\= 20 + 3.14*10\\\\= 20 + 31.4\\\\= 51.40 cm$

3) Perimeter of three-quarter = r + r + (3/4)* circumference of circle

$= 10 + 10 + \frac{3}{4}*2*\pi *r\\\\= 10 + 10 + \frac{3}{4} * 2 * 3.14 * 10\\\\= 10 + 10 + 3 * 3.14 * 5\\\\= 10 + 10 + 47.1\\\\= 67.1 cm$

5 0

3 years ago

Heyy!!

rosijanka [135]

Answer:

$6^{10}$

Step-by-step explanation:

We can use the following rule of surds to solve the problem:

$\boxed{a^m \times a^n = a^{m + n}}$ ,

which means that when multiplying two numbers with the same bases, we can simply add their powers while keeping the base the same.

Applying this rule:

$6^2 \times 6^8$

⇒ $6^{2 + 8}$

⇒ $\bf 6^{10}$

8 0

1 year ago

Explain how to solve the equation 9=q-4

castortr0y [4]

add them both then you get the awnser if the four is not a negative. if the four is a negative use division.

4 0

2 years ago

Read 2 more answers

What fraction is equal to the decimal 0.32

dangina [55]

8/25 is the answer. Hope this helps.

6 0

2 years ago

Read 2 more answers

On Friday,

dimaraw [331]

I would make both denominators the same, and the lowest one that works is 18. So I'd make 1/9 into 2/18, and 1/6 into 3/18. They already used these times so combine them to make 5/18 then subtract that from the total time they had (18/18) and you would get 13/18 they spent playing music.

5 0

3 years ago