Answer:
h(1)=−31
h(n)=h(n−1)+(−7)
Step-by-step explanation:
I got it wrong- and then i found the answer :)
The recursive function is h(n) = h(n−1 ) + (−7) where h(1) = −31.
What is recursive rule?A rule defined such that its definition includes itself.
Example:
F(x) = F(x-1) + c is one such recursive rule.
Given;
h(1) = −31
This means that the function h(n) has the following parameters:
First term = −31
Rate = -7
Hence, the recursive function is h(n) = h(n−1 ) + (−7) where h(1) = −31.
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In Jason's class, 1/2 of the boys have brown eyes, 1/5 of the boys have blue eyes, and 3/10 of the boys have hazel eyes. How many more of the boys have brown eyes than hazel eyes?
Answer:
2
Step-by-step explanation:
ist you have to lind the lcd of each fraction. that would be 10.
1/2x5/5=5/10 of the boys have brown eyes
1/5x2/2=2/10 of the boys have blue eyes
3/10=3/10 of the boys have hazel eyes
The question is asking to see how many more boys have brown eyes than hazel eyes.
Subtract 3/10 from 5/10
and that gives you 2/10
The answer is 1/5.
We know that half of the boys in Jason's class has brown eyes, while three-tenths of the boys in his class have hazel eyes. Therefore, if we subtract the two values, you should get your answer.
\(\frac{1}{2} -\frac{3}{10} =\frac{2}{10}\)
1/5 is the simplified version of 2/10. Therefore, 1/5 is your answer.
Percentages
Gunpowder contains 75% nitre and 10% sulfur. Find the amount of gunpowder which carries 9 kg nitre. What amount of gunpowder would contain 2.3 kg sulfur?
Answer:
Let the amount of gunpowder that contains 9 kg nitre be x kg. ∴ The amount of gunpowder containing 9 kg nitre is 12 kg.
So, about 200 kg gunpowder
a rectangle is 1/4 taller than it is wide. let h = height, let w = width. create an equation and a chart identifying 4 coordinate pairs that reflects this situation. plot the coordinate pairs on a graph. create a line. label the x and y axis and point of origin
please help, this is on a test and im already failing :(
Answer:
Sorry no one answered your question bro hope you pass):
Have yourself a wonderful summer break
Step-by-step explanation:
what is the average between (25,28.8,39.2,51.2,64.8,80)? Please help me!
Answer:
48.17
Step-by-step explanation:
Average = sum of numbers / number of numbers
Sum of numbers = 25 + 28.8 + 39.2 + 51.2 + 64.8 + 80 = 289
Number of numbers = 6
Average = 289 / 6 = 48.17
PLS HELP I WOULD REALLY APPRECIATE IT!!!!
Answer:
37.2222° C
Equation:
(99°F − 32) × 5/9 = 37.222°C
Answer:
37.22°c
c=(5/9)(99-32)
c=(5/9)(67)
c=37.22
A time line is a useful way to represent important dates and events throughout history. It's common to divide a historical time line into events that occurred either BC (to the left of zero) or AD (to the right of zero). The year you're living in right now takes place in AD. BC AD 0 When performing mathematical operations involving dates, we can think of a historical time line as a number line. On the number line, the years increase from left to right. If zero represents the origin, the years to the right of zero are considered positive numbers and the years to the left of zero are considered negative numbers. Using this analogy, here are some events that might appear on a historical number line:
Event Historical Time Line Number Line
(The first ancient games take place in Olympia, Greece. 776 BC -776)
(Construction begins on the Great Wall of China. 221 )
(BC -221 World War I begins in central Europe. AD 1914 1,914 (or 1914)
Use these ideas about time lines and number lines to answer the questions that follow.
Part A The year in which the US Civil War ended was 25 percent later than the year Christopher Columbus set sail from Spain. If c represents the year Columbus set sail, we can write the year the Civil War ended as C +0.25c.
Rewrite this expression as a single term.
Keira said that if 6 tickets are sold, there should be 2 tickets left. Is Keira correct?
V to the power of 2 = 47
(I'M IN CLASS HELP THERES 6 MINUTES LEFT)
Answer:
Well even though you dont need it now the answer is v = 42 squared
Step-by-step explanation:
I used g00g1e like a normal person would
Most populations, like the rabbit population represented here, are stable over time. In this model, we can imagine an increase in the death rate, followed by a decrease in the birth rate. What is another factor we could introduce to the model that would help to stabilize the rabbit population over time?
a. Introduce a predator to the area.
b. Climate change.
Answer: predator is a tiger
climate change is making the rabbit heat up
Step-by-step explanation:
Answer:
Step-by-step explanation:
Introducing a predator to the area would help to stabilize the rabbit population over time. As the predator hunts the rabbits, it would reduce the population, preventing it from growing too large and potentially causing overgrazing and resource depletion. This would lead to a more stable population over time. Climate change is unlikely to have a stabilizing effect on the population as it can have unpredictable and often negative impacts on ecosystems and their inhabitants.
A carpenter needs 36 screws that are 1.5 inches long, 24 screws that are 2 inches long, and 12 screws that are 2.5 inches long.
There are three different sized screws shown. The screws are marked two and a half inches, two inches, and one and a half inches.
What is the ratio of the total length of the 2-inch screws to the total length of all the screws? Do not reduce.
The ratio of the total length of the 2-inch screws to the total length of all the screws will be 4 / 11.
What are ratio and proportion?A ratio is a group of sequentially ordered numbers a and b expressed as a/b, where b is never equal to zero. When two objects are equal, a statement is said to be proportional.
A carpenter needs 36 screws that are 1.5 inches long, 24 screws that are 2 inches long, and 12 screws that are 2.5 inches long.
There are three different-sized screws shown. The screws are marked two and a half inches, two inches, and one and a half inches.
The total length of the 2-inch screws is calculated as,
⇒ 24 × 2
⇒ 48 inches
The total length of all screws is calculated as,
⇒ 36 × 1.5 + 24 × 2 + 12 × 2.5
⇒ 132
Then the ratio is calculated as,
⇒ 48 / 132
⇒ 4 / 11
The ratio of the total length of the 2-inch screws to the total length of all the screws will be 4 / 11.
More about the ratio and the proportion link is given below.
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Find the perimeter of this shape.
Answer:
draw a line that makes a triangle and rectangle.
hypotenuse= 30
3k-4k-5k triangle
18-24-30
so the short part of triangle is 18 cm
10+10+18+24+30 equals 92
sorry for language I am not familiar with English
the perimeter of this shape is
24+10+10+30+\(\sqrt{30^{2} -24^{2} }\) = 92 cm
THIS IS NOT MULTIPLE CHOICE!!!!! ANSWER EACH PART!!!!
A sandwich shop serves 4 ounces of meat and 3 ounces of cheese on each sandwich. After making sandwiches for an hour, the shop owner has used 91 combined ounces of meat and cheese.
How many combined ounces of meat and cheese are used on each sandwich?
How many sandwiches were made in the hour?
How many ounces of meat were used?
How many ounces of cheese were used?
Label your answers a, b, c, and d.
Answer:
A-7
B-13
C-52
D-39
Step-by-step explanation:
A-3+4=7
B-91\7=13
C-4•13=52
D-3•13=39
What if Sara decides to buy a bottle of water that costs $1.85? What are all the different ways she can make exactly $1.85 with the bills and coins she has? Which coin must Sara use?
Answer:
If Sara decides to buy a bottle of water that costs $1.85, then
1 bill, 3 quarters, 1 dime; 1 bill, 3 quarters, 2 nickels; quarter
Step-by-step explanation:
Answer:
1 bill, 3 quarters, 1 dime
Step-by-step explanation:
I think I need to know which coins she has with her to answer this correctly but this is still a possibility
Can someone help me.
Answer:
A. x = -6
B. x = 15
Step-by-step explanation:
A.
\(\frac{x}{3}-5=-7\\\frac{x}{3}-\frac{15}{3}=-7\\\frac{x-15}{3}=-7\\x-15 = -7*3\\x-15=-21\\x=-21+15\\x=-6\)
B.
\(\frac{x}{2}-5=2.5\\\frac{x}{2}-\frac{10}{2} = 2.5\\\frac{x-10}{2}=2.5\\x-10= 2.5*2\\x-10=5\\x=5+10\\x=15\\\)
I hope this helps brother! :D
Which equation correctly applies the distributive property?
I think the answer is D but I'm not sure. Thanks for helping
Answer:
Yes you are correct, the answer is D
Step-by-step explanation:
the answer is still 420 regardless if you do :
\(42*(3.5+1.3+5.2)\\\)
or
\((42* 3.5)+(42* 1.3)+(42 *5.2)\)
Zoe says an equilateral triangle is always an acute triangle, but an acute triangle is never an equilateral triangle. Which statement explains whether Zoe is correct or not?
a. Zoe is not correct because equilateral triangles are acute triangles with three sides of equal length. Acute triangles can sometimes be equilateral triangles.
b. Zoe is not correct because equilateral triangles have three acute angles. Acute triangles have three acute angles, so acute triangles are always equilateral triangles.
c. Zoe is correct because equilateral triangles have three sides of equal length, and acute triangles have three sides of different lengths.
d. Zoe is correct because equilateral triangles have three acute angles. Acute triangles have one acute angle, so an acute triangle cannot be an equilateral triangle
Answer:
Zoe is not correct because equilateral triangles are acute triangles with three sides of equal length. Acute triangles can sometimes be equilateral triangles.
Step-by-step explanation:
Which solution is best represented by the inequality? please help
25x + 15 ≥ 395
A Susan needs to save up enough money to repair her car. She has already saved $25 and can save another $15 per week. How many weeks will it take for Susan to save enough for auto repairs?
B James has his eye on a new stereo. The one he really wants is $395. James has already saved $15 and can save an additional $25 per week. How many weeks (x) will it take for him to save enough to purchase the stereo?
C Susan needs to save up enough money to repair her car. She has already saved $15 and can save another $25 per week. How many weeks will it take for Susan to save enough for auto repairs?
D James has his eye on a new stereo. The one he really wants is $395. James has already saved $25 and can save an additional $15 per week. How many weeks (x) will it take for him to save enough to purchase the stereo
Answer: B
Step-by-step explanation: James needs $395 or more, so it can't be A or D because those problems don't mention 395$. B is saying that he already has $15, and can save 25$ per week, (x represents the number of weeks) while D is saying he already has 25$ and can save 15$ per week.
2x - 1/4y = 1
What is the value of y?
Show all steps.
Answer:
2x-1/4y=1
-1/4y=1-2x
1/4y=-1+2x
y=-4+8x
y=8x-4
Step-by-step explanation:
Have a great day!
PLEASE 15 POINTS. IT'S VERY URGENT
the physical environment (plants, animals, soils, climate) in a place *
Answer: A habitat
Step-by-step explanation:
A bag contained 18 red marbles, 14 green marbles, and 20 blue marbles. A marble was randomly pulled, the color recorded, and then put back into the bag. This table above shows the results after 25 pulls.
What was the relative frequency of selecting a red or blue marble?
Red:8
Blue8
Green9
Number of red marbles pulled = 8
Number of blue marbles pulled = 8
Total marbles pulled = 25
Relative Frequency = Total Frequency / Total number of data values
Relative Frequency of red marble = 8/25
= 32%
Relative Frequency of blue marble = 8/25
= 32%
Learn more about Relative Frequency here
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Hope my answer helps you✌️
Mark BRAINLIEST
If there are 27 lollipops and 54 candy bars for a gift bag, fill out all of the possible ratios of lollipops to candy bars that could be made.
Answer:
1:2
Step-by-step explanation: 54 divided by 27 is 2 so 1 lollipop is 2 candy bars!
Each week Sara's science teacher gives a 15
-point quiz.
Her current scores are shown in the table.
What is Sara's mean quiz score?
Answer:31
Step-by-step explanation:
If the order of the numbers in a sum matters, then in how many ways can you represent the number 9 as the sum of three positive integers?
I already tried: 18, 32, and 30. None of them were right :(
Answer:
3
Step-by-step explanation: 9
can be expressed in three such ways, 2+3+4
, 4+5
or simply 9
A lake fishing map is laid out on a coordinate plane with each unit equal to 1 mile. The boat is launched from the point (−6, 0) and goes to point (−6, −6) to fish. From there, the boat travels to (0, 0) to fish and then goes back to the launch point.
Determine the total number of miles traveled. Round to the nearest whole number.
72 miles
20 miles
8 miles
6 miles
The total distance travelled in the journey is 20 mile.
What is distance?Distance is the total movement of an object without any regard to direction.
Given that, A lake fishing map is laid out on a coordinate plane with each unit equal to 1 mile. The boat is launched from the point (−6, 0) and goes to point (−6, −6) to fish. From there, the boat travels to (0, 0) to fish and then goes back to the launch point.
The total distance is divided into three parts, obtained as follows:
First part: From point (-6,0) to point (-6,-6).
Second part: From point (-6,-6) to point (0,0).
Third part: From point (0,0) back to the launch point of (-6,-6).
The generic notation of two points is given as follows:
(x1,x2), (y2.y1)
The distance between two points is then given by the equation presented as follows:
D = √(x2-x1)²+(y2-y1)²
Therefore, each distance in this problem is given as follows:
First part: 6 miles.
Second part: 8.48 miles.
Third part: 6 miles.
The total distance is the sum of each distance, hence it is given as follows:
6+8.48+6 = 20.48 ≈ 20
Hence, The total distance travelled in the journey is 20 mile.
Learned about the distance between two points;
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what is 2y -5 ≤-29 ?
PLZZZ HELP ME I NEED HELP AND I HAVE A TIMER AND I WILL GIVE YOU BRAINLEST
On a coordinate plane, 2 lines intersect around (3.8, negative 1.5).
Given the graph of a system of equations, which statements are true about the solution? Check all that apply.
The x-value is an integer.
The x-value is between 3 and 4.
The y-value is between –2 and –1.
The x-value is positive.
The x- and y-values have the same sign
Answer:
b,c,d
Step-by-step explanation:
I just did the assignment
Answer:
b, c. d
Step-by-step explanation:
Is this correct? or should i change it
Every day at a factory, each of 32 employees assembles 8 skateboards. The company needs to know how many skateboards they would assemble over a period of 31 days. Which is the most reasonable estimate?
Please help it's due at 12am!!
Options :
A. 90 skateboards
B. 900 skateboards
C. 9,000 skateboards
D. 10,000 skateboards
I need helpppp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
No, Trey is not correct.
Step-by-step explanation:
3^4 = 3 • 3 • 3 • 3 = 81
4^3 = 4 • 4 • 4 = 64
81 is not equal to 64, so 3^4 is not equal to 4^3.