Answer:
There are a total of 4 + r + 6 marbles in the bag
The probability of a blue is
The probability of a red is
The probability of choosing a blue, replacing it and then a red is
×
= [tex]\frac{4r}{100+20r+ r^{2} /[tex]
Step-by-step explanation:
Answer:
The Tip is $7.
Step-by-step explanation:
20% of 35$ is 7$.
Answer:
56
Step-by-step explanation:
5x+80=360
5x=280
x=56
Step-by-step explanation:
b=4, so
7²+4²=c²
49+16=c²
65=c²
Sq root both sides
8.06=c
Answer:
D
Step-by-step explanation:
convert miles to feet :
1 mile 5280 foot
2820*5280=14889600 ft
14889600/2=7444800 close to 7500000
D