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2 years ago

Find the number of two-letter permutations of the letters. Q, I, E, R, T, Y, U

Mathematics

1 answer:

fenix001 [56]2 years ago

5 0

A sword is Saskatchewan. Mdkdodn idioms has nsito day you can come to sleep early tomorrow and you yo me

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Twenty less than 8 times a number is the same as 15 more than the number

anygoal [31]

$x-\ number\\\\
8x-20=15+x\ \ \ | subtract\ x\\\\
7x-20=15\ \ \ | add\ 20\\\\
7x=35\ \ \ | divide\ by\ 7\\\\
x=5\\\\Number\ is\ 5.$

6 0

2 years ago

How to solve a mixed number fraction

lesantik [10]

You find a common denominator (the bottom one) and then add the numerator (the top) but you don't add the denominator, you just make it the same

8 0

3 years ago

What is the domain of y = cos ^-1x?

Bas_tet [7]

Answer:

Step-by-step explanation:

Correct option is

[1,(1+π)

]

f(x)=(1+sec

−1

(x))(1+cos

−1

(x))

Here the limiting component is cos

−1

(x), since the domain of cos

−1

(x) is [−1,1].

Therefore,

f(1)=(1+0)(1+0)

f(−1)=(1+π)(1+π)

=(1+π)

Hence range of f(x)=[1,(1+π)

]

8 0

2 years ago

Order these numbers from Least to Greatest 4,209 2,438 4,703 3,026

Virty [35]

2,438 3,026 4,209 4,703

7 0

3 years ago

Between 10 a.M. And 11 a.M., 48 people came into Brad's store. 40 of them made a purchase. What is the experimental probability

irina [24]

Answer: The required probability is $\dfrac{5}{6}$

Step-by-step explanation:

Since we have given that

Number of people came into Brad's store = 48

Number of them made a purchase = 40

So, the experimental probability that the next person to come into the store will make a purchase would be

$\dfrac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}\\\\=\dfrac{40}{48}\\\\=\dfrac{5}{6}$

Hence, the required probability is $\dfrac{5}{6}$

4 0

3 years ago