Latrell is packing boxes that can contain two types of items. Board games weigh 3 pounds and remote controlled cars weigh 1.5 pounds. The box can hold no more than 25 pounds.Let x represent the number of board games. Let y represent the number of remote controlled cars.
Enter an inequality that represents the situation.
Answers
The correct answer is:
3x + 1.5y ≤ 25
Explanation:
The variable x represents the number of board games. Each one weighs 3 pounds, which gives us the expression 3x.
The variable y represents the number of remote control cars. Each one weighs 1.5 pounds, which gives us the expression 1.5y.
The sum of their weights gives us the expression 3x+1.5y.
Since the box can hold no more than 25 pounds, the inequality must be less than or equal to:
3x+1.5y≤25
Answer:
THE ANSWER IS 3x+1.5y ≤ 25
Step-by-step explanation:
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the ages of John and Mary total 27 years. Mary's age plus twice john's age is 40. how old is each person?
These two functions represent the growth of two different bacterial cultures in terms of the number of bacteria after x days.f(x) = 2,000(2)^x (other one on the graph)Answer the following:A) Which function has the higher initial amount of bacteria? g(x) or f(x)B) Which function has the greater amount of bacteria after two days? g(x) or f(x)
describe how the problem 24000/50 could be solved without dividing 24000/5, then find the answer. help pls
B. ZY
C. XZ
D. YX
Answers
YX is corresponding with ED
Hope it helps.
Please mark me brainliest
Answers
Answer:
54 miles in one hour.
Step-by-step explanation:
A car travels in 3 hours = 162 miles
We have to calculate the speed of car in one hour.
Therefore, we use the formula of speed =
=
= 54 miles/hour
The car travels 54 miles in one hour.
Solve for p.
Answers
Answers
We can use formula for half life of radioactive substance to get the needed time interval's length.
Option: C: 30 years.
After 30 years, the activity level of this sample will be 0.25
Given that:
- Length of half life = b = 10 years
- Activity level = 2 curies
Let after y years, the activity level of this sample be 0.25.
What is the relationship between half life and amount remaining?
,
where λ₁ = remainingamount of sample, λ = original amount of sample, a = total time length for disintegration, b = halflife.
How to find the remaining time for sample to be with 0.25 activity level?
Putting values
Thus, after 30 years, the activity level of this sample will be 0.25
Thus, option C : 30 years is correct.
Learn more about half life of radioactive substances here:
Answer:
c. 30 years
Step-by-step explanation:
The expression for half life of a radioactive substance is given as
λ/λ₁ = 2⁽ᵃ/ᵇ⁾.............. Equation 1
Where λ₁ = remaining sample, λ = original sample, a = Total disintegration time, b = half life.
Given: λ = 2 curies, λ₁ = 0.25 curies, b = 10 years.
Substituting these values into equation 1
2/0.25 = 2⁽ᵃ/¹⁰⁾
8 = 2⁽ᵃ/¹⁰⁾
2³ = 2⁽ᵃ/¹⁰⁾
Since the base in both side of the equation is the same, we can equate the base.
3 = a/10
a/10 = 3
a = 10×3
a = 30 years.
Thus it will take 30 years for the activity level of the sample to be 0.25 curie
The right option is c. 30 years
Eli signed up to take 6 lessons with a pro instructor, and each lesson cost $52.00 for a 1-hour session. Eli bought a bag of bulk practice balls to use during his lessons. After buying a bag of 40 golf balls, the total cost for his lessons and golf balls is $319.20.
Damien signed up to take 5 lessons with pro instructor, and each lesson cost $28.00 for a 30-minute session. Based on the instructor's advise, he bought a bag of 24 golf balls to use during his lessons. The total cost for his lessons and golf balls is $144.08.
Place the students in order from the least amount to the greatest amount that they paid per golf ball.
Answers
bryan: 32*4 = 128
132.48 - 128 = 4.48
4.48 /32 = 0.14 per golf ball
Eli: 52 *6 = 312
319.20 - 312 = 7.20
7.20 / 40 = 0.18 per golf ball
Damien: 28*5 = 140
144.08 - 140 = 4.08
4.08 / 24 = 0.17 per ball
least to greatest:
Bryan, Damien, Eli