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3 years ago

Solve the following equation for d. Show all of your work t= b + d/2f

Mathematics

1 answer:

ANTONII [103]3 years ago

6 0

Subtract b:
T-b=d/2f

Multiply by 2f:
2f(t-b)=d

Rearrange:
D=2f(t-b)

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Consider two people being randomly selected. (For simplicity, ignore leap years.)

inna [77]

Answer:

$(a) = \frac{144}{133225} \\\\(b) = \frac{1}{365}$

Step-by-step explanation:

Part (a) the probability that two people have a birthday on the 9th of any month.

Neglecting leap year, there are 365 days in a year.

There are 12 possible 9th in months that make a year calendar.

If two people have birthday on 9th; P(1st person) and P(2nd person).

$=\frac{12}{365} X\frac{12}{365} = \frac{144}{133225}$

Part (b) the probability that two people have a birthday on the same day of the same month

P(2 people selected have birthday on the same day of same month) + P(2 people selected not having birthday on same day of same month) = 1

P(2 people selected not having birthday on same day of same month):

$= \frac{365}{365} X \frac{364}{365} =\frac{364}{365}$

P(2 people selected have birthday on the same day of same month) $= 1-\frac{364}{365} \\\\= \frac{1}{365}$

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3 years ago

What is the answer to 5x=37-5/7

loris [4]

X = (37 - 5/7)/5 = 7.26

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3 years ago

Read 2 more answers

If there are twelve apples and someone takes -24 how many apples will there be left

wolverine [178]

Equation = 12 - -24 = ?

After keep, change, flip: 12 + 24 = ?

Answer = 36

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3 years ago

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270 american dollar and recevied 3000 pesos when he returned from mexico he had 100 pesos left. how many will he recevie when he

AURORKA [14]

To solve this problem we can use simple proportion
If
270$ -------------------------3000 pesos
x $ ---------------------------100 pesos (x$ means that we dont know how much)
Now we crossmultiplying to get proportion
x*3000=270*100
Now we just to solve eq
3000x=27000 /:3000
x=27000:3000
x=9$ - its the result

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3 years ago

Jane solved an equation and got a solution of X=3. The teacher then asked what the value of 6X would be. Which of the answer is

weeeeeb [17]

If the solution of x is 3, then the solution of 6x would be 18, because 3*6=18. :)

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3 years ago