A bag contains 120 marbles. Some are red and the rest are black. There are 9 marbles for every black marble. How many red marble

Step-by-step explanation:

i hope this helps its kind of hard to see but i tried lol

Answer:

5

Step-by-step explanation:

Assuming both players can answer the same question, the minimum number of questions is the smallest number that when multiplied by either 0.60 or 0.80 yields a whole number.

Let x be the number of questions, solving by trial and error:

Therefore, the minimum number of questions in the game is 5.

Answer:

It would be...

Step-by-step explanation:

Similar By: 22.5 and 27

ABCD: G AND H AND F

I am not sure but I try hard

So we set it up like beofre

c=number of calzones
s=number of slices



total of 59 so
c+s=59

total money was 456
9c+6s=456
we can divide both sides by 3 to simplify
3c+2s=152

use subsitution

c+s=59
minus s both sides
c=59-s
subsitute 59-s for c in other equation

3c+2s=152
3(59-s)+2s=152
177-3s+2s=152
177-s=152
minus 177 both sides
-s=-25
s=25


sub back
c=59-s
c=59-25
c=34


34 calzones
25 slices

Answer:

• 36 grams

Step-by-step explanation:

• Amount of radioactive material = 576 grams
• Half-life = 64 hours
• Time = 256 hours

<u>Cycles of reduction:</u>

• 256/64 = 4

<u>Material will be left:</u>

• 576*(1/2)^4 =
• 576*1/16 =
• 36 grams