Answer:
answer is B 38-18
Step-by-step explanation:
38 + (-18)
38-18
X^2 +x -12 = 0
<span>Factor : ( x -3 )*( x +4 )</span>
Answer:
4w.
Step-by-step explanation:
Replace w with 9.
7(9)=63
4(9)=36
6(9)=54
5(9)=45
Therefore the answer is 4w.
Answer:
12.5 or 12 1/2 (may be wrong)
Step-by-step explanation:
First I set up a formula to solve how many ounces of salt there were out of 30,
x/30=20/100, I crossed multiplied and got 5/30, next, I set up the same formula for how many ounces of salt there were out of 25, x/25=30/100, I got 7.5, the last thing I did was add them both together leading me to the answer 12.5 or 12 1/2. Hope this helps! Please say if I am wrong.
FORMULAS
If A and B are any events then:
If A and B are mutually exclusive events then P(A and B) = 0, so then:
The probability of an event happening is given to be:
SOLUTION STEPS
The total number of pets in the store is calculated to be:
The probability of picking a puppy is:
The probability of picking a kitten is:
Therefore, the probability of choosing a puppy or a kitten is gotten to be:
ANSWER
The probability is 3/4 or 0.75.