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RUDIKE [14]
3 years ago
7

What is the radius of sphere with a surface area of 100cm2

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
5 0

Answer:

10cm2

Step-by-step explanation:

You might be interested in
Log7^x-log7^3=1 <br>if anyone can help me with this problem please help me
vagabundo [1.1K]
Log7 (x+3) - log7 (x-3) = 1
log7 [(x+3) / (x-3)] = 1
raise both sides to power of 7
(x+3) / (x-3) = 7
7x – 21 = x + 3
6x = 24
x = 4
5 0
4 years ago
THIS IS VERY IMPORTANT I WILL GIVE BRAINLIEST TO THE PERSON WHO DOES ALL 4 QUESTIONS FOR ME.
devlian [24]

Answer:

6. 130/130.5

7. C, 14 pink roses and 26 red roses

8. A, 18 model cars and 27 model airplanes

9. $359.10

Step-by-step explanation:

Number 6 involves two potential answers because although 30% of 435 is 130.5 you cannot have half of a person at a baseball game.

6 0
3 years ago
Name all 4 angels shown in the picture
MrMuchimi
<h3>The angles are:</h3>
  1. ∠ABC
  2. ∠CBE
  3. ∠DBE
  4. ∠ABD

Hope it helps

4 0
3 years ago
There are 80 skittles in a bag you pick a handful of 12 purple 6 orange 3 red 5 green 4 yellow. How many red skittles do you exp
frozen [14]

Answer

12

Step-by-step explanation

there is 15 of each color  3 take away 15 equals 12 red skittles left

7 0
3 years ago
Xác suất xảy ra môt sự kiện là 0.3. Xác suất để sự kiện đó không xảy ra là?
hodyreva [135]

Câu trả lời:

0,7

Giải thích từng bước:

Xác suất để một sự kiện xảy ra = 0,3

Cho sự kiện = A

P (A) = 0,3

Xác suất mà sự kiện không xảy ra có thể thu được bằng cách sử dụng quy tắc bổ sung;

P (A ') = 1 - P (A)

Vì thế,

P (A ') = 1 - 0,3 = 0,7

3 0
3 years ago
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