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mars1129 [50]
3 years ago
15

Divide 114÷7 explain the anwser

Mathematics
2 answers:
bezimeni [28]3 years ago
5 0
To get the answer you must see how many times 7 can go in 114
aniked [119]3 years ago
5 0
114 divided by 7 means how many times 114 goes into 7 so I went onto a calculator and calculated it...
it's in a decimal
<span>16.2857142857</span>
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Ben and Allison each decide to wager 1 unit against the other person on flips of an unfair coin, with probability 0.6 of landing
dolphi86 [110]

Answer:

(A) 75 flips

(B) 75 flips

(C) 75 flips

Step-by-step explanation:

Normally, the coin will have to land on tail 30 sure times (Allison will win 30 units from Ben) before Ben will be broke.

This does not mean that the first 30 flips will favour Allison (that Ben will get broke in the first 30 flips) hence we use the probability of tail to ascertain how many times the coin will be flipped until 30 tails are gotten. And for each sure tail, the coin will be tossed/flipped a number of times before the probability of tail will be one.

Also note that the coin used for this experiment is a biased or unfair coin. That is, both sides - head and tail - don't have an equal probability of occurrence which is 1/2 or 0.5

Same method applies for Head. The coin will have to land on Head 45 sure times (where in each time, probability of head occurring is 1) before Allison will be broke.

(A) Average number of flips needed until Ben is broke

This is equal to the average number of flips it takes for a tail to be gotten for sure X the number of units Ben will lose until he's broke.

The number of flips it takes to get a tail for sure is 2.5 flips.

How? 3 flips will get p(T) = 1.2

Hence 2.5 flips will get p(T) = 1

And that is when Ben loses a unit of his money

Now, if in 2.5 flips we have a tail, it will take X flips for us to get 30 tails

Cross multiply:

X = (2.5×30) / 1 = 75 flips

(B) Using the same cross multiplication method, we find that it takes 1.667 flips for Ben to win 1 unit of Allison's money because in 2 flips, the probability of head is 1.2, which is above 1.

So since it takes 1.667 for Allison to lose 1 unit of his money, it will take X flips for Allison to lose 45 units of his money

Cross multiply:

X = (45×1.667)/1 = 75 flips

(C) We would have had to use a formula for this one but there is no need, since it takes the same 75 flips for either Ben or Allison to get broke.

5 0
3 years ago
Ms. Masi is going to be paid $11.25 per day to look after Ms. Simms’ dog. She wants to save all of her earnings, but she owes he
alekssr [168]

Answer:

7 days

Step-by-step explanation:

So! Ms. Masi earns $11.25 everyday, and is paying her brother back everyday. Let's make an equation to solve for the number of days!

11.25d = 72 <em>(d = # of days)</em>

<em>Now, we have to solve this equation to see how many days (d) it will take Ms. Masi to pay her brother back.</em>

<em></em>

11.25d = 72

÷11.25   ÷11.25 (Divide by "11.25" to get the variable by itself)

d = 6.4

<em>Since, she only gets 1 pay per day, Ms. Masi will have to wait til her 7th day to pay her brother back.</em>

<em></em>

Hope this Helps! :)

<em>Have any questions? Ask below in the comments and I will try my best to answer.</em>

-SGO

7 0
3 years ago
Find the value of x in the rectangle below.​
ololo11 [35]
Isolate the variable by dividing each side by factors that don't contain the variable.
Exact Form:
x
=
13
3
x
=
13
3
Decimal Form:
x
=
4.
¯
3
x
=
Mixed Number Form:
x
=
4
1
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6 0
2 years ago
#2) The Ramy family went
suter [353]
If there were only sandwiches bought, there would be 15, if there were only salads bought there would be 20. There’s probably more than one possibility, but that’s the best I can do, considering how long it’s been since I’ve done this type of problem. I’m all the way to learning determinants, so I really have to think to remember these. Sorry in advance if this doesn’t help at all, I’m not the best at this, but I can still try.

5 0
2 years ago
Need help plz and thnks
Serjik [45]

Answer: y=13

hope this helps!

3 0
2 years ago
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