Answer:
See explanation.
Step-by-step explanation:
Aim of experiment:
To discover the amount of time (average amount of time) that 7th grade students spend on homework each week.
Name of researcher:
Mary.
Requirements for the experiment:
- knowledge of the number of hours that some or all of the students spend on homework each week
- knowledge of the total number of 7th grade students (population statistics)
The issue or problem with this question is that it doesn't say what Mary found out after her research. There are no result statistics from the experiment! Mary surveyed 20 students out of the 164. Her findings will/can be used to infer about the population. Those findings are absent here, hence the question can't be solved.
I need this answered
What is the volume of the container?
Answer:
600
Step-by-step explanation:
Formula - length x width x height
(5 x 12 x 10)
plz solve i really need this
what is the mean,median,mode ,and range of 24,12,10,15,10,22,12
Answer:
24, 12, 10, 15, 10, 22, 12
mean: 7
median: 12
mode: 12
Range: 14
Step-by-step explanation:
Answer: Mean=15, Median=12, Mode=10 and 12, Range=14
Step-by-step explanation:
Data:
Numbers: 10, 10, 12, 12, 15, 22, 24
Mean: x, Median: x, Mode: x, Range: x
Step One, Find the Mean by adding all of the numbers and dividing them by the number of numbers
10+10+12+12+15+22+24=105/7=15
Mean=15
Reason: By adding all of the numbers together and dividing them by the number of numbers, you can find the mean because that is the method on finding the mean.
Step Two, Find the Median(middle) by finding the number in the middle
10, 10, 12, 12, 15, 22, 24
Median=12
Reason: Since the median is the number in the middle, 12 would be the median since it is the number in the middle of the array of numbers.
Step Three, Find the mode by finding the number that show up the most
10, 10, 12, 12, 15, 22, 24
Mode=10 and 12
Reason: Since mode is finding the number that shows up the most, 10 and 12 would be the answer for that reason and that they show up the same number of times in the array of numbers.
Step Four, Find the range by subtracting the biggest number by the smallest
24-10=14
Reason: Since to find the range you have to subtract the biggest number(24) by the smallest(10) the answer has to be 14 because that us the answer to 24-10.
I hope this helps!
Mark earns $550.00 per month. If he spends
$220.00 a month on gas, what percent of his
total monthly income does he spend on gas?
Answer:
40%
Step-by-step explanation:
Find the percent by dividing 220 by 550
220/550
= 0.4
So, he spends 40% of his monthly income on gas
Answer: 40%
Step-by-step explanation:
I would put an explanation but I am supposed to be in class!
HELPPP PLZ WHATS THE ANSWER PLZ DONT SEND A FILE PLZ. what is this question going across is going across the y or it going across the x ??? ONLY ANSWER IF YOU REALLY KNOW THE ANSWER. I NEED THE ANSWER FOR 5,and 6
number 3 going across the x axis
number 5 going across the y axis
What is the y-intercept of the graph?
Answer:
6
Step-by-step explanation:
What is 1 plus 1
This is just a test because literally no one has been answering my questions.
What is up with people and posting files
How do you write 3.37 as a percentage?
Answer:
Step-by-step explanation:
What is 3.37 as a percent?
To write 3.37 as a percent have to remember that 1 equal 100% and that what you need to do is just to multiply the number by 100 and add at the end symbol % .
3.37 * 100 = 337%
And finally we have:
3.37 as a percent equals 337%
Answer:
337%
Step-by-step explanation:
3.37x100=337
Solve for x. Round your answer to the nearest tenth if necessary.
Answer:
Step-by-step explanation:
9^2 + 15^2 = x^2
81 + 225 = x
17.49 = x
Rounded to the nearest tenth:
x = 17.5
When a button is pressed, a computer program outputs a random digit greater than 0 and less than 7. You press the button six times. How many possible outcomes are there?
Answer:
MELA PELA Y SE LA CHUPO GONORREA. SAPO HPTA
Step-by-step explanation:
XD :V
The slope of the line that contains the points (1, -1) and (2, 3) is 4. What is the y-intercept? A. 5 B. 4 C. -4 D. -5
Answer:
4
Step-by-step explanation:
m= y2-y1
x2-x1
m= 3+1 (anything minus a negative is a positive!)
2-1
m=4
The points plotted below are on the graph of a polynomial. How many roots
of the polynomial lie between x = -4 and x = 3?
URGENT
Given:
The graph of a polynomial.
To find:
The number of roots of the polynomial lie between x = -4 and x = 3.
Solution:
From the given graph it is clear that the graph is a downward U-shaped curve. It means the given graph represents a quadratic polynomial.
The graph of the polynomial is below the x-axis immediate before x=-2 and above the x-axis immediate after x=-2. It means the graph intersect the x-axis at x=-2.
The graph of the polynomial is above the x-axis immediate before x=2 and below the x-axis immediate after x=2. It means the graph intersect the x-axis at x=2.
Since the graph of the polynomial divides the x-axis two times between x = -4 and x = 3, therefore the two roots of the polynomial lie between x = -4 and x = 3.
A ladder leans against the side of a house. The angle of elevation of the ladder is 75° when the bottom the ladder is 16 ft from the side of the house. Find the length of the ladder. Round your answer to the nearest tenth. 
Answer:
cos 75 = 16/x ---> x = 16/cos75 = 61.8 ft.
Perpendicular to x+y=6 and passing through (0,1)
Answer:
y = x + 1
Step-by-step explanation:
x + y = 6
y = -x + 6
Perpendicular slope to -1 is 1
(0,1)
y - y1 = m(x - x1)
y - 1 = 1(x - 0)
y - 1 = x
y = x + 1
Standard form:
y = x + 1
-x + y = 1
A certain gecko measured 3.5 inches as a hatchling, and then grows at a steady rate of 1.2 inches per month for the first 12 months. After that, the gecko grows at 0.4 inches per month for the next 16 months. How many inches long will the gecko be 20 months after hatching? please I need help and no link
Answer:
21.1 inches
Step-by-step explanation:
The gecko is 3.5 inches to start with.
If it grows at a rate of 1.2 inches per month for the first 12 months, after 12 months the gecko will be 14.4 inches larger. (Because 12 times 1.2 is 14.4)
So, after 12 months the gecko will be 17.9 inches.
Since the gecko grows at 0.4 inches per month for the next 16 months, and the gecko has grown for 20 months, all we need to do is subtract 12 from 20 (since we already calculated how long it will be after 12 months) and multiply that by 0.4.
Since 20 - 12 is 8, we just multiply 8 by 0.4 to get 3.2. We now add 3.2 to 17.9 to get 21.1 inches.
Hope this helps!
the formula for converting temperature from Fahrenheit (f) to celsius (c) is c= 5/4(f-32). if the temperature is 77 Fahrenheit, what is it in celsius?
a) 60 5/9 degrees c
B) 45 degrees c
c) 41 2/3 degrees c
D) 25 degrees c
Answer:
the answer is D) 25 degrees c
Answer: D) 25 degrees c
Step-by-step explanation:
A bacteria population is doubling every hour. By what factor does the population change in 1/3 hour?
Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
Answer:
A) 35/12
Step-by-step explanation:
The tangent of an angle is the opposite side of that angle over the adjacent side of the angle
Mr. Miller is putting a border around the edges of a rectangular ceiling. The perimiter of the ceiling is 18 meters. What are the two dimensions?
Answer:
Length & Breadth could be : 4 meters , 5 meters
Step-by-step explanation:
Border, ie perimeter measurement of Rectangle = 2 ( Length + Breadth )
So, 2 (Length + Breadth) = 18
Length + Breadth = 18 / 2
Length + Breadth = 9
So, sum of length & breadth must be = 9.
(L, B) = (2,5) ; (2,8) ; (2,9) and (3,5) ; (3,8) ; (3,9) don't satisfy this condition. (4,5) ; (4,8) also don't.
(L, B) = (4,5) satisfy it. As sum 4 + 5 = 9.
On saturday, Mark sold 2 7/8 gallons of lemonade. On the same day, Regan sold 2/3 as much lemonade as Mark. How much lemonade, in gallons, did Regan sell?
The green shape is a dilation Of the black shape. What is the scale factor of the dilation?
Help plz...
No links!! I repeat No links!!
The distance on the map between Rocky Creek State Park and Hillcrest Elementary is 4.2 cm.
Approximately how far is Rocky Creek State Park from Hillcrest Elementary?
Answer:2
Step-by-step explanation: because
Answer: c. 420 m
Step-by-step explanation:
PLEASE I AM BEGGING YOU EXTRA POINTS AND BRAINLIEST!!!!!!!!!!!!!!!!!
Answer:
2/3(x+9)=22
Step-by-step explanation:
Answer:
1.12 2.12.gg
Step-by-step explanation:
1 and 2. ggg dude ytsr5e3uvrrhitghhbnnmkooyffrrcchutddb
Dos hermanos se llevan 7 años de diferencia y la suma de los cuadrados de sus edades es 337. ¿Qué edad tiene cada uno?
Answer:
Primer hermano = x = 16 años
Segundo hermano = y = 9 años
Step-by-step explanation:
Representemos sus edades como:
Primer hermano = x
Segundo hermano = y
Dos hermanos tienen 7 años de diferencia
= x - y = 7
x = 7 + y
La suma de los cuadrados de sus edades es 337.
x² + y² = 337
Sustituyendo
(7 + y) ² + y² = 337
Cuadrado
(7 + y) (7 + y) + y² = 337
49 + 7y + 7y + y² + y² - 337 = 0
2y² + 14y - 288 = 0
Paso 1: Factoriza el lado izquierdo de la ecuación.
2 (y − 9) (y + 16) = 0
Paso 2: Iguala los factores a 0.
y - 9 = 0 o y + 16 = 0
y = 9 o y = −16
Por tanto, y = 9 años
x = 7 + y
x = 7 + 9
x = 16 años
Primer hermano = x = 16 años
Segundo hermano = y = 9 años
Which graph best represents the change in population of the two cities? Tell me which ones cuz I can’t label it!
Answer:
Which graph best represents the change in population of the two cities?
Year Townville Village City
1960 37,500 17,500
1970 42,500 25,000
1980 35,000 20,000
1990 30,000 30,000
2000 15,000 32,500
Step-by-step explanation:
A. is right
A garden table and a bench cost $772 combined. The garden table costs $72 more than the bench. What is the cost of the bench?
Answer: 700
Step-by-step explanation:
772
-72
____
700
Help pleaseeee, I am lost and need help
Answer:
I'm pretty sure it is the second one because > means it won't be filled in and it means greater than so greater than 2
Sheila either walks or cycles to school. The probability that she walks is 0.65, is she walks the probability she is late is 0.4. If she cycles the probability that she is late is 0.1. Work out the probability that on any one day Sheila will not be late for school
Answer:
0.705
Step-by-step explanation:
From the question :
P(not being late) = p(walking and not late) + P(cycling and not late)
P(walking and not being late) = 0.65 * (1 - 0.4) = 0.65 * 0.6 = 0.39
P(cycling and not being late ) = (1 - 0.65) * (1 - 0.1) = 0.35 * 0.9 = 0.315
Hence,
P(not being late) = 0.39 + 0.315 = 0.705
Hannah selects a marble randomly from a jar containing 11 green, 5 yellow, and 4 red marbles. Develop a probability model based on theoretical probability
55%green25%yellow20%red