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omeli [17]
3 years ago
12

The monthly profit for a small company that makes long-sleeve T-shirts depends on the price per shirt. If the price is too high,

Mathematics
1 answer:
max2010maxim [7]3 years ago
5 0

Answer:

This was in 2019 hope they solved it..

Step-by-step explanation:

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19.25 rounded to the near ones
Leya [2.2K]
19.25 rounded to the nearest ones is 20
4 0
3 years ago
Read 2 more answers
Let X denote a random variable which corresponds to the number of players in a team who get injured during a game. If we assume
Feliz [49]

Answer:

(a)

The values of X can be 0, 1, 2 , ..., 10 . So, X is a discrete random variable.

(b)

The distribution of X is Binomial distribution with the parameters n = 10 and p = 0.2

(c)

Probability that no one or one person will be injured = P(X = 0) + P(X = 1)

= 10C0 * 0.20 * (1 - 0.2)10-0 + 10C1 * 0.21 * (1 - 0.2)10-1

= 0.810 + 10 * 0.2 * 0.89

= 0.3758096

(d)

Average value of X = np

Average value of X = 10 * 0.2 = 2

(e)

Variance of X = np(1-p)

Variance of X = 10 * 0.2 * (1 - 0.2) = 1.6

(f)

Number of ways in which 2 people gets injured = 10C2 = 10! / ((10-2)! 2!) = (10 * 9) / (2 * 1) = 45

Assume the best player got injures, number of ways in which one people out of remaining 9 people gets injured = 9C1

= 9! / ((9-1)! 1!)

= 9

Probability that the best player got injured = Number of ways in which 1 people gets out of 9 and best person gets injured / Number of ways in which 2 people gets injured

= 9 / 45

= 0.2

4 0
3 years ago
Write the equation of the parabola in vertex form.<br><br><br>Vertex: (−4,6); Point: (−2,−2)
gtnhenbr [62]

Answer:

y = - 2(x + 4)² + 6

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k ) = (- 4, 6 ) , thus

y = a(x - (- 4) )² + 6 , that is

y = a(x + 4)² + 6

To find a substitute (- 2, - 2) into the equation

- 2 = a(- 2 + 4)² + 6 ( subtract 6 from both sides )

- 8 = a(2)² = 4a ( divide both sides by 4 )

- 2 = a , thus

y = - 2(x + 4)² + 6 ← equation in vertex form

5 0
3 years ago
PLEASE HELP ASAP <br><br>Given: m∠DEA=46°, m∠P=14°<br>Find the measurements of arc AD and arc BC.
antoniya [11.8K]

Answer:

The measurement of arc AD is 53°

The measurement of arc BC is 39°

Step-by-step explanation:

Let

x----> the measurement of arc AD

y---> the measurement of arc BC

we know that

The measure of the internal angle is the semi-sum of the arcs comprising it and its opposite

so

m∠DEA=(1/2)[x+y]

substitute the value

46°=(1/2)[x+y]

92°=[x+y] -----> equation A

The measurement of the external angle is the semi-difference of the arcs which comprises

m∠P=(1/2)[x-y]

substitute the value

14°=(1/2)[x-y]

28°=[x-y] -----> equation B

Adds equation A and equation B

92°+14°=2x

x=106°/2=53°

Find the value of y

substitute in the equation A the value of x

92°=[53°+y]

y=92°-53°=39°

8 0
3 years ago
Read 2 more answers
Each person in a group buys a movie ticket, a drink, and a popcorn. How much does the group pay when there are 5 people in the g
Leya [2.2K]

Answer:

10.75$

Step-by-step explanation:

$5.00 + $2.75 + $3.00 = $10.75 x5 = $53.75

Ticket     Drink   Popcorn   Multiply it by five,

Results is $53.75

Make sure to brainiest me!

- Jackson

8 0
1 year ago
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