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2 years ago

15

The school cafeteria sells 22 drinks every 10 minutes predict how many drinks the cafeteria would send during the 45 minutes lun

ch periodo? use double number line

2 answers:

Ghella [55]2 years ago

8 0

99 drinks. There are 4.5 10-minute intervals in 45-minute period, therefore multiply 22 by 4.5, and that will give you 99

RSB [31]2 years ago

8 0

Answer:

99 drinks in 45 minutes

Step-by-step explanation:

You might be interested in

Please answer what the answer for ? Is.

vitfil [10]

Answer:

5/8

Step-by-step explanation:

A. 2/3 × 4/5 × m = 1/3 B. 4/5 × 2/3 × m = 1/3

8/15 × m = 1/3 8/ 15 × m = 1/3

m = 1/3 ÷ 8/15 m = 1/3 ÷ 8/15

m = 1/3 ×15/8 m = 1/3 × 15/8

m = 5/8 m = 5/8

C. 2/3 × 4/5 = 1/3 ÷ m

8/15 = 1/3 × 1/m

8/15 = 1/3m cross multiply

(3m) × (8) = 15

24m = 15

m = 15/24

m= 5/8

4 0

2 years ago

The market and Stock J have the following probability distributions:

denis-greek [22]

Answer:

1) $E(M) = 14*0.3 + 10*0.4 + 19*0.3 = 13.9 \%$

2) $E(J)= 22*0.3 + 4*0.4 + 12*0.3 = 11.8 \%$

3) $E(M^2) = 14^2*0.3 + 10^2*0.4 + 19^2*0.3 = 207.1$

And the variance would be given by:

$Var (M)= E(M^2) -[E(M)]^2 = 207.1 -(13.9^2)= 13.89$

And the deviation would be:

$Sd(M) = \sqrt{13.89}= 3.73$

4) $E(J^2) = 22^2*0.3 + 4^2*0.4 + 12^2*0.3 =194.8$

And the variance would be given by:

$Var (J)= E(J^2) -[E(J)]^2 = 194.8 -(11.8^2)= 55.56$

And the deviation would be:

$Sd(M) = \sqrt{55.56}= 7.45$

Step-by-step explanation:

For this case we have the following distributions given:

Probability M J

0.3 14% 22%

0.4 10% 4%

0.3 19% 12%

Part 1

The expected value is given by this formula:

$E(X)=\sum_{i=1}^n X_i P(X_i)$

And replacing we got:

$E(M) = 14*0.3 + 10*0.4 + 19*0.3 = 13.9 \%$

Part 2

$E(J)= 22*0.3 + 4*0.4 + 12*0.3 = 11.8 \%$

Part 3

We can calculate the second moment first with the following formula:

$E(M^2) = 14^2*0.3 + 10^2*0.4 + 19^2*0.3 = 207.1$

And the variance would be given by:

$Var (M)= E(M^2) -[E(M)]^2 = 207.1 -(13.9^2)= 13.89$

And the deviation would be:

$Sd(M) = \sqrt{13.89}= 3.73$

Part 4

We can calculate the second moment first with the following formula:

$E(J^2) = 22^2*0.3 + 4^2*0.4 + 12^2*0.3 =194.8$

And the variance would be given by:

$Var (J)= E(J^2) -[E(J)]^2 = 194.8 -(11.8^2)= 55.56$

And the deviation would be:

$Sd(M) = \sqrt{55.56}= 7.45$

8 0

2 years ago

Please help with my math

Makovka662 [10]

first one is C and second is D

4 0

3 years ago

vodomira [7]

Answer:

The population will be 240,116

Step-by-step explanation:

Exponential growth can be represented by the expression:

$P(t) = P_i\,(1+r)^t$

where:

$P(t)$ is the population at time (t)

$P_i$ is the initial value of the population

"r" is the annual rate of growth (written in decimal form)

and "t" is the time in years.

Therefore in this situation, P(16) is what we want to find [the population after 16 years]

the initial population $P_i$ is 110,000

the rate of growth is 0.05 [decimal form of 5%]

and t is 16 years.

Replacing all these in the given functional form gives:

$P(t) = P_i\,(1+r)^t\\P(16)=110000\,(1+0.05)^16\\P(16)=240116$

4 0

2 years ago

4x+ 2( 3 – 3x) = 6 answer

motikmotik

Answer:

0

Step-by-step explanation:

4x+ 2( 3 – 3x) = 6

4x+6-6x=6

6-2x=6

6-6=2x

0/2=x

x=0

7 0

2 years ago

Read 2 more answers