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irga5000 [103]
4 years ago
5

Select the equation or inequality that matches the number sentence below.

Mathematics
1 answer:
kakasveta [241]4 years ago
7 0

< = less than

> = greater than

57 is less than(<) x minus(-) 19

57 < x - 19

Your answer is the 4th option because:

The 1st option is not the answer because 19 is subtracted by x when it should be x minus 19, and the sign is > when it should be <

The 2nd option is not the answer because it should be x minus 19

The 3rd option is not the answer because the sign is > when it should be <

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Find the angle of x please!
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Check the picture below.

Make sure your calculator is in Degree mode.

6 0
2 years ago
What is square root of 27/4 to the nearest interger
Radda [10]
<h3 /><h3>\sqrt{ \frac{27}{4} }  =  \frac{ \sqrt{27} }{ \sqrt{4} }  =  \frac{ \sqrt{3 \times 2} }{ \sqrt{ {2}^{2} } }  =  \frac{3 \sqrt{3} }{2}  =  \frac{3}{2}  \sqrt{3}  \\</h3>

<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>

7 0
3 years ago
A small regional carrier accepted 21 reservations for a particular flight with 19 seats. 10 reservations went to regular custome
Viefleur [7K]

We have 19 available seats, and 21 reservations.

Of the 21 reservations, 10 are sure, so we have 10 out of the 19 seats that are surely occupied.

Then, we have 9 seats for 11 reservations, each one with 44% chance of being occupied.

We have to calculate the probability that the plane is overbooked. This means that more than 9 of the reservations arrive.

This can be modelled as a binomial distirbution with n = 11 and p = 0.44, representing the 44% chance.

Then, we have to calculate P(x > 9).

This can be calculated as:

P(x>9)=P(x=10)+P(x=11)

and each of the terms can be calculated as:

\begin{gathered} P(x=10)=\dbinom{11}{10}\cdot0.44^{10}\cdot0.56^1=11\cdot0.0003\cdot0.56=0.0017 \\ P(x=11)=\dbinom{11}{11}\cdot0.44^{11}\cdot0.56^0=1\cdot0.0001\cdot1=0.0001 \end{gathered}

Then:

P(x>9)=P(x=10)+P(x=11)=0.0017+0.0001=0.0018

We have a probability of 0.18% of being overbooked (P = 0.0018).

If we want to calculate the probability of having empty seats, we need to calculate P(x<9), meaning that less than 9 of the reservations arrive.

We can express this as:

P(x

We have to calculate P(x=9) as we already have calculated the other two terms:

P(x=9)=\dbinom{11}{9}\cdot0.44^9\cdot0.56^2=55\cdot0.0006\cdot0.3136=0.0107

Finally, we can calculate:

\begin{gathered} P(x

There is a probability of 0.9875 that there is one or more empty seats.

Answer:

There is a probability of 0.0018 of being overbooked.

There is a probability of 0.9875 of having at least one empty seat.

7 0
1 year ago
M is the midpoint of CF for the points C(1, 2) and F(7, 10). Find MF.
MaRussiya [10]
M=(1+7/2,2+10/2)=(4,6)
mf=squr(4-7)^2+(6-10)^2=5
7 0
4 years ago
I NEED HELPPPP PLEASE
9966 [12]

Answer:

B

Step-by-step explanation:

x=-2, f(-2)=-7

x=0, f(0)=5

x=1, f(1)=2

8 0
3 years ago
Read 2 more answers
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