3/20. Mischa can only shake out 20 coins. And three of them would be pennies. So the chance is 3/20
Answer:
Grace should use her phone for 58 minutes to maintain an average of 55 minutes.
Step-by-step explanation:
Usage of first month = 43 minutes
Second month = 62 minutes
Third Minutes = 57 minutes
Let, the usage of fourth month = k minutes
Mean of the data = 5 minutes
Now, Average of a Data = 
⇒
or, 55 x 4 = 162 + k
⇒ 220 - 162 = k
or, k = 58 minutes
So, Grace should use her phone for 58 minutes to maintain an average of 55 minutes.
Let's say we have an equation like this 7x + 3. Let x = 4. Then we will do the following:
7(4) + 3 - Replace the x with 4
28 + 3
31 - simplify down
Answer:
la respuesta es 480
Step-by-step explanation:
(-8)(-15)=8*15=120
120*(4)
480
Answer:
X=16*7/8= 14. by multiplying. 16 *7/8