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MariettaO [177]
3 years ago
9

I have underlined the volume of water needed (left) and the volume of chemicals needed (right). How much of the chemical would I

need if I used 16 oz. of water?

Mathematics
1 answer:
makkiz [27]3 years ago
8 0
3.2 I do believe....
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4 is 20% of what number
KiRa [710]
4 is 20% of 20. Hope this helps!
7 0
3 years ago
Read 2 more answers
100 Brainliest up for grabs to person who can answer all of these with no links:
kogti [31]

Using a discrete probability distribution, it is found that:

a) There is a 0.3 = 30% probability that he will mow exactly 2 lawns on a randomly selected day.

b) There is a 0.8 = 80% probability that he will mow at least 1 lawn on a randomly selected day.

c) The expected value is of 1.3 lawns mowed on a randomly selected day.

<h3>What is the discrete probability distribution?</h3>

Researching the problem on the internet, it is found that the distribution for the number of lawns mowed on a randomly selected dayis given by:

  • P(X = 0) = 0.2.
  • P(X = 1) = 0.4.
  • P(X = 2) = 0.3.
  • P(X = 3) = 0.1.

Item a:

P(X = 2) = 0.3, hence, there is a 0.3 = 30% probability that he will mow exactly 2 lawns on a randomly selected day.

Item b:

P(X \geq 1) = 1 - P(X = 0) = 1 - 0.2 = 0.8

There is a 0.8 = 80% probability that he will mow at least 1 lawn on a randomly selected day.

Item c:

The expected value of a discrete distribution is given by the <u>sum of each value multiplied by it's respective probability</u>, hence:

E(X) = 0(0.2) + 1(0.4) + 2(0.3) + 3(0.1) = 1.3.

The expected value is of 1.3 lawns mowed on a randomly selected day.

More can be learned about discrete probability distributions at brainly.com/question/24855677

6 0
2 years ago
What equation represent 3x3/5 as a multiple of a unit fraction
Agata [3.3K]
The answer is 9/5 as 3×3 is 9 and you are dividing it by 5.
4 0
3 years ago
For all values of x,<br> x² + 6x - 2 = (x+p)² + q<br> Find the value of p and the value of q.
Vlad [161]

Step-by-step explanation:

{x}^{2}  + 6x - 2 =  {x}^{2}  + 2px +  {p}^{2}  + q

2p = 6

{p}^{2}  + q =   - 2

p = 3

{3}^{2}  + q =  - 2

q =  - 11

p=3, q=-11

3 0
2 years ago
A gym membership is offered in January for 14.99 per month. If you pay upfront for the year, you are given a 15% discount on the
hoa [83]

Answer:

$27 approx

Step-by-step explanation:

Given data

Membership fee= 14.99 per month

for a year the fee is 14.99*12= 179.88

discount = 15%

=15/100*179.88

=0.15*179.88

=26.982

Hence for a year, you will save $27 approx

6 0
3 years ago
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