At a school for performance art students 2

A 4 pound bag of sugar contains 454 one teaspoon servings and costs $3.49. A batch of muffins uses 3/4 cup of sugar. How many ba

nika2105 [10]

I don't know the answer

6 0

2 years ago

a builder has built 1/6 of the floors of a new skyscraper.if the builder has built 13 floors,how many floors will the skyscraper

madam [21]

You do 13 times 6

this equals, 78 floors

3 0

3 years ago

What is the max or min and range of y=2x^2+20x-12

shtirl [24]

Answer: its x = 3

Step-by-step explanation:

The maximum or minimum of a quadratic function occurs at

x

=

−

b

2

a

. If

a

is negative, the maximum value of the function is

f

(

−

b

2

a

)

. If

a

is positive, the minimum value of the function is

f

(

−

b

2

a

)

.

f

min

x

=

a

x

2

+

b

x

+

c

occurs at

x

=

−

b

2

a

Find the value of

x

equal to

−

b

2

a

.

x

=

−

b

2

a

Substitute in the values of

a

and

b

.

x

=

−

12

2

(

2

)

Remove parentheses.

x

=

−

12

2

(

2

)

Simplify

−

12

2

(

2

)

.

Tap for more steps...

x

=

3

The maximum or minimum of a quadratic function occurs at

x

=

−

b

2

a

. If

a

is negative, the maximum value of the function is

f

(

−

b

2

a

)

. If

a

is positive, the minimum value of the function is

f

(

−

b

2

a

)

.

f

min

x

=

a

x

2

+

b

x

+

c

occurs at

x

=

−

b

2

a

Find the value of

x

equal to

−

b

2

a

.

x

=

−

b

2

a

Substitute in the values of

a

and

b

.

x

=

−

12

2

(

2

)

Remove parentheses.

x

=

−

12

2

(

2

)

Simplify

−

12

2

(

2

)

.

Tap for more steps...

x

=

3

4 0

2 years ago

An athlete trains for 95 min each day for as many days as possible.Write an equation that relates the number of days d that the

mrs_skeptik [129]

855=95d

855 minutes is equal to 95 minutes times the number of days run

6 0

3 years ago

For safety reasons, 4 different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills

Evgen [1.6K]

Answer:

Step-by-step explanation:

<u>Probability of Independent Events</u>

Given the probability of success of each detector is 0.84 independently of the others, their combined success/failure probability can be computed with the product rule.

We can calculate the required probability by using the binomial distribution, but it's easier to calculate the probability of the negated event an subtract from 1.

We want to know the probability that a least one of the 4 systems detects the occurrence of theft. That probability is the sum of the probabilities that one of them, two of them, three of them or all of them succeed. The negated event is that NONE of them actually detects the theft. Being p the individual probability of success, p=0.84. Being q the probability of failure, q=0.16.

The probability that none of the systems detect the theft is

$P(0)=q^4=0.16^4=0.00065536$

Thus, the probability that at least one of the systems detect the theft is

$P(x\geq1)=1-P(0)=1-0.00065536=0.9993$

That means a 99.93%

3 0

2 years ago