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kap26 [50]
3 years ago
8

A) how many 3/5s are in 1 b) use the answer to part A to find the number of 3/5s in 2

Mathematics
2 answers:
BabaBlast [244]3 years ago
5 0
a)\frac{1}{\frac{3}{5}}=1*\frac{5}{3}=\frac{5}{3}\\\\
There\ are\ 1\frac{2}{3}\ of\ \frac{3}{5}s\ in\ 1.\\\\
b)\frac{2}{\frac{3}{5}}=2*\frac{5}{3}=\frac{10}{3}\\\\There\ are\ 3\frac{1}{3}\ of\ \frac{3}{5}s\ in\ 2.
Amiraneli [1.4K]3 years ago
5 0
3/5*n=1

Therefore n=5/3=3/3+2/3=1+2/3

----------------------------

3/5*x=2

3x=10

x=10/3=9/3+1/3=3+1/3
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Mattie Evans drove 180 miles in the same amount of time that it took a turbopropeller plane to travel 630 miles. The speed of th
AysviL [449]

Answer:

the speed of the plane was 210 mph.

Step-by-step explanation:

3 0
3 years ago
Assume that different groups of couples use the XSORT method of gender selection and each couple gives birth to one baby. The XS
olganol [36]

Answer:

Mean and Standard deviation for the numbers of girls in groups of 36 births are 18 and 3 respectively.

Step-by-step explanation:

We are given that he X SORT method is designed to increase the likelihood that a baby will be a girl, but assume that the method has no effect, so the probability of a girl is 0.5.

Now consider a group consisting of 36 couples.

The above situation can be represented through binomial distribution;

P(X=r)=\binom{n}{r} \times p^{r} \times (1-p)^{n-r} ;x=0,1,2,3,.....

where, n = number of trials (samples) taken = 36 couples

            r = number of success

            p = probability of success which in our question is probability

                   of a girl, i.e.; p = 0.5

<em><u>Let X = Numbers of girls in groups of 36 births </u></em>

So, X ~ Binom(n = 36, p = 0.5)

Now, mean for the numbers of girls in groups of 36 births is given by;

         <u>Mean</u>, E(X) = n \times p = 36 \times 0.5 = 18

Also, standard deviation for the numbers of girls in groups of 36 births is given by;

        <u>Standard deviation</u>, S.D.(X) =  \sqrt{n\times p\times (1-p)}

                                                      =  \sqrt{36\times 0.5\times (1-0.5)}

                                                      =  3

3 0
3 years ago
Please help me I don’t know how to do this and it is due at 10:00 please help
Blizzard [7]

Answer:

number 12 is

\frac{3}{125}

4 0
3 years ago
Read 2 more answers
Someone do this thanks
Arturiano [62]

Answer:

2

Step-by-step explanation:

12-2= m(2+3)

m= 10/5=2

4 0
3 years ago
If a stadium pays $11000 for labor and $7000 for parking what would the stadiums parking revenue be if the stadium is hoping par
Alchen [17]

Answer:

$300,000

Step-by-step explanation:

Labor  cost = $11,000

Parking  cost= $7,000

Parking Labor cost = $ 18,000

Parking Revenue = ?

From the question, parking labor cost is 6% of Parking revenue.

6% =   Parking Labor cost/ Parking Revenue------------------------------------ (1)

Further substituting in (1) gives:

6/100  =  18,000/ Parking Revenue

Making Parking Revenue the subject of the formula, we have:

Parking Revenue = (100 x 18,000)/6

                             = $300,000

4 0
3 years ago
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