1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
bagirrra123 [75]
3 years ago
5

On Monday morning, a school cafeteria had 97.88 gallons of milk. At lunch, the students drank 8

Mathematics
1 answer:
AlekseyPX3 years ago
4 0

Answer:

89.88 gallons of milk

Step-by-step explanation:

97.88-8=89.88

You might be interested in
Help meeeee pleaseeeee:(
Marat540 [252]

Answer:

1 to 100m..............

7 0
2 years ago
Rounded to the nearest hundredth, what is the positive solution to the quadratic equation 0 = 2x2 + 3x – 8? Quadratic formula: x
Lynna [10]

ANSWER

1.39

EXPLANATION

The given quadratic equation is

0 = 2 {x}^{2}  + 3x - 8

This is the same as,

2 {x}^{2}  + 3x - 8 = 0

Comparing to

a {x}^{2}  + bx  + c = 0

We have

a=2, b=3,c=-8

Using the quadratic formula, the solution is given by:

x =  \frac{ - b \pm \:  \sqrt{ {b}^{2}  - 4ac} }{2a}

We substitute the values to get,

x =  \frac{ - 3\pm \:  \sqrt{ {3}^{2}  - 4(2)( - 8)} }{2(2)}

x =  \frac{ - 3\pm \:  \sqrt{ 73} }{4}

The positive root is

x =  \frac{ - 3 + \:  \sqrt{ 73} }{4} = 1.39

to the nearest hundredth.

4 0
3 years ago
Read 2 more answers
Elizabeth lives in San Francisco and works in Mountain View. In the morning, she has 3 transportation options (take a bus, a cab
mina [271]

Answer:

If Elizabeth randomly chooses her ride in the morning and in the evening, 2/3 is the probability that she'll use a cab exactly one time

3 0
2 years ago
Read 2 more answers
Margie needs 7 ticket to the same soccer game.
Ivahew [28]
Do 3 divided by 53 to find the cost of one ticket and then multiply the that number with 7
7 0
3 years ago
Read 2 more answers
In a certain clinical study, 15% of participants were classified as heavy smokers, 25% as light-smokers, and the rest as non-smo
Natasha_Volkova [10]

Answer:

There is a 28.57% probability that a randomly selected participant who died by the end of the study was a non-smoker.

Step-by-step explanation:

We have the following probabilities:

A 15% probability that a participant is classified as a heavy smoker.

A 25% probability that a participant is classified as a light smoker.

A 100% - 25% - 15% = 60% probability that a participant is classified as a non smoker.

A x% probability that a non smoker dies.

A 3x% probability that a light smoker dies.

A 5x% probability that a heavy smoker dies.

This can be formulated as the following problem:

What is the probability of B happening, knowing that A has happened.

It can be calculated by the following formula

P = \frac{P(B).P(A/B)}{P(A)}

Where P(B) is the probability of B happening, P(A/B) is the probability of A happening knowing that B happened and P(A) is the probability of A happening.

This problem is:

What is the probability of the participant being a non-smoker, given that he died?

P(B) is the probability that the participant is a non smoker. So

P(B) = 0.6

P(A/B) is the probability that the participant dies, given that he is a non smoker. So:

P(A/B) = x

P(A) is the probability that the participant dies:

P(A) = P_{1} + P_{2} + P_{3}

P_{1} is the probability that a heavy smoker is selected and that he dies. So:

P_{1} = 0.15*5x = 0.75x

P_{2} is the probability that a light smoker is selected and that he dies. So:

P_{2} = 0.25*3x = 0.75x

P_{3} is the probability that a non-smoker is selected and that he dies. So:

P_{3} = 0.60*x = 0.60x

The probability that a participant dies is:

P(A) = P_{1} + P_{2} + P_{3} = 0.75x + 0.75x + 0.60x = 2.10x

The probability of the participant being a non-smoker, given that he died, is:

P = \frac{P(B).P(A/B)}{P(A)} = \frac{0.6x}{2.10x} = \frac{0.6}{2.10} = 0.2857

There is a 28.57% probability that a randomly selected participant who died by the end of the study was a non-smoker.

7 0
3 years ago
Other questions:
  • Which symbol completes the statement 5/8 _____ 11/16?<br><br>A: &gt;<br>B: &lt;<br>C: =
    8·2 answers
  • I’m so confused about this
    7·2 answers
  • The floor of a round hut has a diameter of 6 meters. What is the floor's area? Use 3.14 for ​pi.
    6·1 answer
  • 18x2 - 54x – 20<br><br> Expand and simplify
    11·2 answers
  • Find last year’s salary if, after a 3% pay raise, this year’s salary is $30,900
    10·2 answers
  • 24 x 10 x 90 = 90 x 2,400 True or False?
    15·2 answers
  • Will give brainliest - somebody please help me
    9·1 answer
  • Can anyone help with this pls
    12·2 answers
  • ----------------------------------------------------------------------------------------------------------
    13·1 answer
  • Last year, Gareth paid £e each month for electricity. This year his monthly payment went down. His total bill for the first 5 mo
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!