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Hunter-Best [27]
3 years ago
7

Mr & mrs have $5170 total in bank.. at end of month, mr deposits $450 & mrs deposits $626 into her account. they now hav

e an equal amount of money in their accounts? how much money did each of them have at first?
Mathematics
1 answer:
Valentin [98]3 years ago
4 0
$5170.00+$450.00+$626.00 DIVIDED BY 2
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Draw Figure 4 and 5 below. Tell how many dots Figure 4 has in the box.
sineoko [7]

Answer:

20

Step-by-step explanation:

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3 years ago
A bike rental company charges $60 for the first hour, and $25 for each additional hour. Michael wants to spend less than $200 on
ludmilkaskok [199]
$200-60 is 140 then you divide 140 by 25 which 5.6 add you first hour back in 6.6 so answer would is B
7 0
3 years ago
The secretary in Exercises 2.121 and 3.16 was given n computer passwords and tries the passwords at random. Exactly one of the p
Vlada [557]

Answer:

There is a \frac{(n-1)^{5}}{n^{6}} probability that the correct password is found on the sixth try.

Step-by-step explanation:

We have n passwords, only 1 is correct.

So,

Since a password is put back with other, at each try, we have that:

The probability that a password is correct is \frac{1}{n}

The probability that a password is incorrect is \frac{n-1}{n}.

There are 6 tries.

We want the first five to be wrong. So each one of the first five tries has a probability of \frac{n-1}{n}. So, for the first five tries, the probability of getting the desired outcome is \frac{(n-1)^{5}}{n^{5}}.

We want to get it right at the sixth try. The probability of sixth try being correct is \frac{1}{n}.

So, the probability that the first five tries are wrong AND the sixth is correct is:

P = \frac{(n-1)^{5}}{n^{5}}\frac{1}{n} = \frac{(n-1)^{5}}{n^{6}}

There is a \frac{(n-1)^{5}}{n^{6}} probability that the correct password is found on the sixth try.

5 0
3 years ago
On a recent day, 8 euros were worth $9 and 24 euros were worth $27. Enter an equation of the form y = kx to show the relationshi
Eddi Din [679]

Answer:

y=1.125x

Step-by-step explanation:

9/8 is the ratio

so, I would do 9/8 which is 1.125. so, one euro is worth 1.125 dollar

y(dollars)=1.125x(euros)

TEST

27 dollars=1.125 • 24

done

8 0
2 years ago
In ancient egypt, a scribe equated the area of a circle with a diameter of 9 units to the area of a square with a side length of
Rudik [331]

Answer:

\pi =3.160494

Step-by-step explanation:

step 1

Find the area of the circle with a diameter of 9 units

we know that

The area of a circle is equal to

A=\pi r^{2}

we have

r=9/2=4.5\ units ----> the radius is half the diameter

substitute

A=\pi (4.5)^{2}

A=20.25\pi\ units^2

step 2

Find the area of a square with a side length of 8 units

we know that

The area of the square is

A=b^2

where

b is the length side of the square

we have

b=8\ units

substitute

A=(8)^2=64\ units^2

step 3

Equate the areas

20.25\pi=64

solve for \pi

\pi =\frac{64}{20.25}=3.160494

5 0
3 years ago
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