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seropon [69]
3 years ago
5

Quran records that his hamster an turn the wheel in its cage to make 1 revolution in 0.5 minuet. How many revolutions can the ha

mster make in 20.5 minuets
Mathematics
2 answers:
s344n2d4d5 [400]3 years ago
6 0
20.5 divided by 0.5 = 41 rev
Illusion [34]3 years ago
5 0
It takes 0.5 minute for 1 revolution.

20.5/0.5 = 41

20.5 minutes is 41 times 0.5 minutes, so it can do 41 times as many revolutions as it can do in 0.5 minute.

41 * 1 = 41

Answer: 41 revolutions
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mel-nik [20]
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3 years ago
Solve the equation x^2-3x-10=0 by factoring
Molodets [167]

Answer:

Step-by-step explanation:

hello :

x²-3x-10=0  means : (x-5)(x+2)=0

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6 0
3 years ago
Consider the explicit formulas for two sequence ​
BaLLatris [955]

These are the formulas right?.. I hope so, anyways..

- f(n)= 2^(n-1) -1

- g(n)=3n+6  

f(7)=2^{7-1}-1  -  f(7)=2^{6}-1  -  f(7)=64-1  -  f<u>(7) = 63 </u>

g(10)=3\X 10+6  -  g(10)=30+6  -  g<u>(10) = 36</u>

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I hope that it helped..

6 0
4 years ago
Anyone? please help asap i really want to finish this
Nesterboy [21]

Answer:

Question 3: b \geq 2

Question 4: r < -5

Question 5: y \leq -6

Step-by-step explanation:

Question 3:

b + 2 \geq 4\\b + 2  -2 \geq 4 - 2\\b \geq 2\\

Question 4:

13 > 18 + r\\13 - 18 > 18 -18 + r\\\\-5 > r\\ r < -5sign flips when r switches sides

Question 5:

3y \leq 2y - 6\\3y - 2y \leq 2y - 2y - 6\\\\y \leq - 6\\

8 0
2 years ago
How are 25:5 and 10:2 equivalent ratios?
stira [4]

Answer:

Multipy by 2.5

Step-by-step explanation:

If you multiply 10 and 2 by 2.5 you would get 25 and 5

7 0
3 years ago
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