Answer:
1. 11
2. 7
3. 4
4. 10
.
5. 17.2
6. 2.2
7. 3.3
8. 7.9
Step-by-step explanation:
When calculating square root, you always need to find a number multiplied by itself twice that gives the number
Example: 
What number multiplied by itself twice gives 64? Number 8! because 8 × 8 = 64
Now cube root is a little bit different. This time, you will need to find a number multiplied by itself three times that gives that number.
Example: 
What number multiplied by itself three times gives 125? Number 5! because 5 × 5 × 5 = 125
Hope this helps!
Answer: The answer is y=-1/3x+2.
Explanation:The slope equals,m=-1/3,when you do the rise over run method.Then the y-intercept equals,b=2,so that is how you get the answer y=-1/3x+2.
The given ratios 3: 5 and 15: 25 are equal. Because when you divide the ratio 15: 25 by 5 on both numerator and denominator, the first ratio 3: 5 can be obtained. Similarly, when you multiply the first ratio 3: 5 by 5, the ratio 15: 25 can be obtained.
They aren't independent since the probability uses all the cards in the deck
So at the first deal we have the chance of 26/52 of getting a red card, at the second deal we have the chance of a 25/51 of getting another red card, so they aren't independent
Answer:
$290
Step-by-step explanation:
We are told that 1 out of 5 buyers change to a more expensive sofa than the one in the sale advertisement.
Now we are told that the advertised sofa is $250 and the more expensive sofa is $450.
Thus;
P(x) for expensive sofa = 1/5
P(x) for sofa in sale advertisement = 4/5
Thus, expected value is;
E(X) = (1/5)450 + (4/5)250
E(x) = 90 + 200
E(x) = $290
