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Paha777
7 days ago
9

Let X denote the reaction time, in seconds, to a certain stimulus and Y denote the temperature (◦F) at which a certain reaction

starts to take place. Suppose that two random variables X and Y have the joint density f(x,y)= 4xy, 0
Mathematics
1 answer:
AnnZ [11.9K]7 days ago
5 0
The likelihood that 0≤x≤1/2 and 1/4≤y≤1/2 is calculated to be 3/64 (4.68%).
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Which is the solution of the quadratic equation (4y-3)^2=72 ?
babunello [11329]
Greetings: 
<span>(4y-3)²=72 
4y-3 = </span>±√72
thus, y= (3+√72) /4   or y= (3 - √72) /4
7 0
1 month ago
Jada plans to serve milk and healthy cookies for a book club meeting. She is preparing 12 ounces of milk and 4 cookies per perso
Zina [11999]

Jada intends to provide milk and nutritious cookies at a gathering for her book club. She has planned to offer 12 ounces of milk and 4 cookies for each participant. With her included, the total number of club members is 15. Each package of cookies has 24 cookies and is priced at $4.50. A gallon of milk has 128 ounces and costs $3. Let n denote the club members, m for the ounces of milk, c for the cookies, and b for Jada's budget in dollars. Identify all equations that could represent the relevant quantities and constraints in this scenario.

â m = 12(15)

n refers to the club members

b. 3m + 4.5c = 6

c. 4n =

m stands for ounces of milk

& 44.50) = C

c indicates the cookies

e b=2(3) + 3(4.50)

b denotes Jada's budget in

currency

The equations applicable for representing the quantities and constraints in this scenario are:

a) m = 12(15)

c)4n = c

e) b = 2(3) + 3(4.50)

Detailed explanation:

Jada is set to provide milk and nutritious cookies for her book club meeting

She plans to prepare 12 ounces of milk and 4 cookies for each individual

She has 15 members in total

A pack of cookies contains 24 cookies and costs $4.50

A gallon of milk has 128 ounces and costs $3

Designate the total members by n

Ounces of milk = m

The number of cookies = c

Jada's budget in dollars = d

y = 12(15)

Each individual will receive 4 cookies

4n = c

As one pack contains 24 cookies

She requires = 15 × 4 = 60 cookies

60 ÷ 24 = 2.5

Thus, she would need to purchase 3 packs of cookies

She needs = 15 × 12 = 180 ounces of milk

A gallon of milk contains 128 ounces

180 ÷ 128 = 1.406

She will need to acquire 2 gallons of milk

It's noted: from the prompt

Each gallon of milk costs $3

Each package of cookies costs $4.50

b serves as Jada's dollar budget

b = 2(3) + 3(4.50)

<pThe relevant equations that could signify the quantities and constraints in this scenario are:

Options a, c and e are valid

3 0
1 month ago
(03.02 MC)
Leona [12131]

Answer: refer to the image

Step-by-step explanation:

5 0
8 days ago
Tyler wants to use $300 he has saved to buy a new guitar and join a music club. The guitar costs $140. The music club has a $25
tester [11911]

Answer:

ok __?__ equals 11 and ___ equals 3.55

Step-by-step explanation:

Start by subtracting 140 and 25 from 300, then divide by 11.95 which results in 11; subsequently, multiply 11 by 11.95 and deduct that from 135.

4 0
1 month ago
Read 2 more answers
Henry works at a warehouse where he earns $23.56 per hour. How much money will Henry earn after working for 37 hours and 42 minu
babunello [11329]

Response:

$888.21

Detailed explanation:

We'll split this problem into two parts.

First, determine how much money Henry earns after working for 37 hours. He makes $23.56 an hour, thus you multiply his worked hours (37) by his hourly rate (23.56) which results in $871.72.

Next, you need to account for the additional 42 minutes after the 37 hours. Since there are 60 minutes in an hour, you convert 42 minutes to hours by dividing by 60, giving you 0.7. Multiply 0.7 by $23.56 (his hourly rate) to obtain $16.49.

Combining both sums gives a total of 888.21 dollars.

8 0
26 days ago
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