P=-25/4
You can divide 25/4 and you will get 6.25 or 6 (1/4)
Answer:
Step-by-step explanation:
Given : A major issue facing many states is whether to legalize casino gambling. Suppose the governor of one state believes that more than 55% of the state’s registered voters would favor some form of legal casino gambling.
i.e. claim :
Since alternative hypothesis shows there is statistical difference between the groups tested , it takes >, < or , ≠ sign.
Thus , the given claim is representing the alternative hypothesis :
Then, the null hypothesis will be (exactly opposite of alternative hypothesis ):
Thus , the appropriate null and alternative hypotheses.:
Answer:
$50.00
Step-by-step explanation:
25% in decimal form is 0.25
Multiply 0.25 by 40
40×0.25=10
Add 10 to the sale price, 40
The ten is the discount taken off. So add the sale price plus the discount to get the original
Answer:
<u>44 cows and 36 ducks.</u>
Step-by-step explanation:
x is ducks and y is cows.
Assuming both have 1 head each, we can write:
x + y = 80.
Let's assume each x(cow) has 4 legs and each y(duck) has two legs.
Then we can add the numbers of legs:
2x + 4y = 248 legs
Now rearrange x + y = 80 to:
x = 80-y
and substitute:
2x + 4y = 248 legs
2(80-y) + 4y = 248 legs
160 - 2y + 4y = 248 legs
2y = 88 legs
<u>y = 44 [There are 44 cows]</u>
Use this value to find the number of ducks:
x + y = 80
44 + y = 80
<u>y = 36 [There are 36 ducks]</u>
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Check:
Do 44 cows and 36 ducks have a total of 248 legs?
4*44 + 2*36 = 248 ?
176 + 72 = 248?
<u>YES</u>