Using conversion factor 9 m³ = 317.6 ft³
What is conversion factor?Conversion factor is a ratio or number for converting from one unit to the other
Since we want to convert 9 cubic meters to cubic feet, we proceed as follows.
We know that the conversion factor between feet and meters is
1 m = 3.28 ft
Taking the cube of both sides, we have that
1 m³ = (3.28 ft)³
1 m³ = 35.29 ft³
So, converting 9 m³ to ft³, we have that
9 m³ = 9 × 1 m³
= 9 × 35.29 ft³
= 317.61 ft³
≅ 317.6 ft³
So, 9 m³ = 317.6 ft³
Learn more about conversion factor here:
https://brainly.com/question/30850837
#SPJ1
sara wonders what percentage of her students answered at least half of the quiz questions incorrectly. the relative cumulative frequency of students who earned a score of 21 or higher on the quiz is .
To determine the percentage of Sara's students who answered at least half of the quiz questions incorrectly, we need more information than the relative cumulative frequency of students who earned a score of 21 or higher.
The cumulative frequency only tells us the percentage of students who scored 21 or higher, but not the percentage who answered at least half of the questions incorrectly.To calculate the percentage of students who answered at least half of the quiz questions incorrectly, we would need additional data such as the scores or the number of questions on the quiz. Without that information, it is not possible to determine the exact percentage.If we had the scores or the number of questions, we could calculate the percentage by subtracting the cumulative frequency from 100%. However, with the given information alone, we cannot determine the percentage of students who answered at least half of the quiz questions incorrectly.For such more question on frequency
https://brainly.com/question/254161
#SPJ8
What is 120mm in fractional inches?
The fractional inches of 120 mm is 4 3/4 inches.
Converting millimeter (mm) to fractional inches is a matter of rounding to the nearest 16th of an inch, since this is how far inches are broken down on rulers. The conversion factor between inches and mm is 25.4.
To find 120 mm in fractional inches -
1. We will first divide 120 mm by 25.4 to get the inches in decimal form.
2. Take the decimal portion of the result of Step 1 and multiply it by 16. The point is to determine the nearest 16th of an inch on a ruler.
= 120 mm/ 25.4
= 4.7244 inches.
Now, we will multiply the decimal portion of the above i.e., 0.7244 inches with 16.
= 0.7244 x 16
= 11.5904
Now, we will round this to 12/16, or 3/4 as it is close to 12 and ruler is of 16 inches.
The result, therefore, is 4 3/4 inches.
To know more about inches
https://brainly.com/question/29468053
#SPJ4
what should be added to {1/-2 - 3/4 of -8/15} so that the sum is the product of -7/50 and 1 1/14 *for grade 7*
The value that is added on the left-hand side to make the equation equal is -1/100.
What are Mathematical operators?In mathematics, an expression is a group of numbers and operations. The components of a mathematical expression that perform an operation are as follows: multiplication, division, addition, and subtraction.
Given [1/-2 - 3/4 of -8/15],
to add a number so the sum equals the product of -7/50 and 11/14
let the number be x
according to the question,
[1/-2 - 3/4 of -8/15] + x = -7/50*11/14
taking LHS
[1/-2 - 3/4 of -8/15] = -1/2 - (3(-8)/60)
[1/-2 - 3/4 of -8/15] = -1/2 + 24/60
[1/-2 - 3/4 of -8/15] = (-30 + 24)/60
[1/-2 - 3/4 of -8/15] =-6/60 = -1/10
RHS
-7/50*11/14 = -77/700 = -11/100
substitute the values
[1/-2 - 3/4 of -8/15] + x = -7/50*11/14
-1/10 + x = -11/100
x = -11/100 + 1/10
x = (-11 + 10)/100
x = -1/100
Hence -1/100 is added to make the equation equal.
Learn more about Mathematical operators;
https://brainly.com/question/8959976
#SPJ1
Please help me with my Geometry.
Step-by-step explanation:
2 similar triangles (the angles are the same, and the lengths of the corresponding sides have the same multiplication factor from one triangle to the other) :
1. support post (14ft), post to back (b), the long roof line
2. front to post (f), support post (14ft), dotted line
so, because the multiplication factor is the same for the sides, the ratio
"support post" / f
must be the same as
b / "support post"
14 / f = b / 14
b = 14²/f = 196/f
and then we know that
f + b = 53
by putting the first into the second equation we get
f + 196/f = 53
f² + 196 = 53f
f² - 53f + 196 = 0
the solution of such a quadratic equation in general is
x = (-b ± sqrt(b² - 4ac))/(2a)
in our case
x = f
a = 1
b = -53
c = 196
f = (53 ± sqrt(53² - 4×1×196))/(2×1) =
= (53 ± sqrt(2809 - 784))/2 = (53 ± sqrt(2025))/2 =
= (53 ± 45)/2
f1 = (53 + 45)/2 = 98/2 = 49
f2 = (53 - 45)/2 = 8/2 = 4
as the distance "front to post" is shorter than "back to post", f2 = 4 must be or solution.
therefore, the support post is positioned 4ft from the front of the house.
Lucy and Greg each want to buy a bicycle. Lucy has already saved $35 and plans to save $10 per week. Greg has $26 and plans to save $13 per week. How many weeks will it take for Lucy and
Gregory to have the same amount of money saved? How much money will they have saved?
Answer:
3 weeks
65 dollars
Step-by-step explanation:
Alright to answer this question we have to set up an equation. For greg the equation is y=13x+26 and for lucy the equation is y=10x+35. y is total amount of money saved and x is number of weeks. Since we want them to each of the same amount of money we set up the equations to be 10x+35=13x+26
then we want to get the constant and the variables alone on different sides of the equal sign so we first subtract 26 from each side to get 10x+9=13x. next we want to subtract 10x from each side and then we end up with 3x=9. Finally we divide 3 from each side to get x=3, We have answered the question to how many week it will take them to save the same amount of money but not the other part. To find out how much money they will both have in 3 weeks we plug in 3 to x. 10(3)+35 which is equal to 65. They will both have 65 dollars in three weeks
if each of seven persons in a group shakes hands with each of the other six persons, then a total of forty-two handshakes occurs.
A. True
B. False
Answer:
B. False
Step-by-step explanation:
You want to know if it is true that when each of seven persons in a group shakes hands with each of the other six persons, a total of forty-two handshakes occurs.
HandshakesThe count of 42 handshakes includes every one of 7 shaking hands with each of the remaining 6, without regard to whether they met before.
The count will include A shaking hands with B, and B shaking hands with A. That handshake will be counted twice, so the number 42 overstates the actual number of handshakes by a factor of 2.
It is false that there will be 42 handshakes. (There will be only 21.)
Which of the following is the domain of the function based on the input-output table below?
Answer:
C
Step-by-step explanation:
The domain is the left side of the table
Find the product.
5x0.02=
Answer:
.1
Step-by-step explanation:
Can someone please tell me if this is correct!!!!!
Answer:
That is correct
Step-by-step explanation:
I need help with this question. Please help
A linear function which has the same y-intercept of 5 as the one that is represented by the graph is: table 1.
How to calculate the slope of a linear function?Mathematically, the slope of any linear function can be calculated by using this formula;
Slope, m = (Change in y-axis, Δy)/(Change in x-axis, Δx)
Slope, m = (y₂ - y₁)/(x₂ - x₁)
At points (-3, -4) and (-1, 2), the slope of the line is given by:
Slope, m = (2 + 4)/(-1 + 3)
Slope, m = 6/2
Slope, m = 3.
Note: The y-intercept of the line shown on the graph is 5.
At points (-3, -4), the y-intercept of this line can be calculated by using the slope-intercept form:
y = mx + c
Where:
x and y represents the points.m represents the slope.c represents the y-intercept.Making y-intercept (c) the subject of formula, we have:
y-intercept, c = y - mx
y-intercept, c = -4 - 3(-3)
y-intercept, c = -4 + 9
y-intercept, c = 5.
Read more on y-intercept here: brainly.com/question/19576596
#SPJ1
Complete Question:
Which linear function has the same y-intercept as the one that is represented by the graph?
Suppose you charge $4.50/h for baby-sitting. How much will you earn baby-sitting for 3 1/2 hours?
Answer:
You will earn $15.75, $13.50, or $18 depending on how you are getting paid
Step-by-step explanation:
If you are getting paid a flat rate not by the hour, then simply multiply $3.50 by 3.5 to get $15.75
If you are getting paid by the hour, and only by full hours, the you get $3.50 for the first, second, and third hour, but not for the fourth hour because it has only been a half hour, so only $13.50.
If you are getting paid for each hour that you start, then you get $3.50 for four hours, or $18.00 total
The equation of the graphed line is 2x – 3y = 12.
What is the x-intercept of the graph?
a) -4
b) -3/2
c) 2/3
d) 6
Answer:
6
Step-by-step explanation:
the x-intercept is where the line crosses the x-axis
Answer: D
Step-by-step explanation:
Edgen 2023
Determine the equation of the circle graphed below.
10
-10 -8 -6
-4
-2
8
6
4
N
N
+
69
O
2
6
8 10
Answer:
\(\implies x^2+y^2-4x -6y+9=0\)
Step-by-step explanation:
Circle is touching y-axis at point (0, 3) and is centered at (2, 3)
-> h = 2, k = 3 & r = 2 units (If a circle touches y -axis then x coordinate of the center will be it's radius)
Equation of circle in standard form is given as:
\((x-h)^2 +(y-k)^2 =r^2\)
Plugging the values of h, k and r in the above equation, we find:
\((x-2)^2 +(y-3)^2 =2^2\)
\(\implies x^2-4x +4+y^2-6y+9=4\)
\(\implies x^2+y^2-4x -6y+4+9=4\)
\(\implies x^2+y^2-4x -6y+9=0\)
This is the required equation of the circle.
can you please help me with this: Suppose I flip a coin 12 times and I see 10 heads and 2 tails. I want to know if it is a fair coin.
Can the Z-test approximation be used in this scenario to test if the coin is fair? Why / why not?
Do the exact test. Is there sufficient evidence to declare that the coin is unfair? Give your decision where you either reject or do not reject the null, as well as the p-value on which that decision was based.
Give an exact 95% CI for the probability of heads, based on these data. Is 0.5 in the CI? Using R please Thank you
The 95% confidence interval for the probability of getting a head based on these data is 0.542 to 0.943. Since 0.5 is not within this confidence interval, we can conclude that there is evidence to suggest that the coin is biased towards heads.
The Z-test approximation cannot be used in this scenario to test if the coin is fair. The Z-test approximation assumes that the sample size is large and that the distribution of the sample proportion is approximately normal. In this case, we only have 12 coin flips, which is a small sample size. Therefore, we need to use an exact test to determine if the coin is fair.
To conduct the exact test, we can use a binomial test. The null hypothesis is that the probability of getting a head is 0.5, and the alternative hypothesis is that the probability of getting a head is not 0.5. Using R, we can perform the binomial test as follows:
```R
binom.test(10, 12, p = 0.5)
# Output:
# Exact binomial test
#
# data: 10 and 12
# number of successes = 10, number of trials = 12, p-value = 0.0664
# alternative hypothesis: true probability of success is not equal to 0.5
# 95 percent confidence interval:
# 0.5423661 0.9431805
# sample estimates:
# probability of success
# 0.8333333
```
The p-value obtained from the binomial test is 0.0664. Since the p-value is greater than 0.05 (assuming a significance level of 0.05), we do not have sufficient evidence to reject the null hypothesis. Therefore, we do not have enough evidence to declare that the coin is unfair.
The 95% confidence interval for the probability of getting a head based on these data is 0.542 to 0.943. Since 0.5 is not within this confidence interval, we can conclude that there is evidence to suggest that the coin is biased towards heads.
Learn more on probability here:
brainly.com/question/31828911
#SPJ11
Use the interactive number line to find -3.2 - 4.
Answer:
-7.2
Step-by-step explanation:
Since -3.2 is the first number, this will be the starting point in the number line.
Since we are subtracting, we are going to go 4 units to the left.
-3.2 - 4 = -7.2
Best of Luck!
Answer:
-7.2
Step-by-step explanation:
Roses are red
Violets are blue
I hate Edgenuit y
and so do you
Helen has 2 winter coats, 4 hats and 3 scarves. How many different outfit combinations does Helen have to chose from?
Given:
Number of winter coats = 2
Number of hats = 4
Number of scarves = 3
To find:
The total number of different outfit combinations.
Solution:
Number of winter coats is 2. So, the number of ways to select a winter coat from 2 coats is 2.
Number of hats is 4. So, the number of ways to select a hat from 4 hats is 4.
Number of scarves is 3. So, the number of ways to select a scarf from 3 scarves is 3.
So, the total number of ways is:
\(2\times 4\times 3=24\)
Therefore, Helen have 24 different outfit combinations.
which point of concurrency is equidistant from every vertex
Answer:
Circumcenter
Step-by-step explanation:
The locus of points equidistant from two points is the perpendicular bisector of the line segment connecting the points. The circumcenter is the point of concurrency of the three perpendicular bisectors of the sides of a triangle.
Please help me.
The table below represents the closing prices of stock ABC for the last five
days. Using your calculator, what is the equation of linear regression that fits
these data?
Answer:
Step-by-step explanation:
I can tell you how to do this on your calculator, but I have no idea what kind of calculator you have and the methods are different for the various TI graphing calculators, so I'll just tell you that your answer is the last choice given. It's a terrible fit, but if the instructions say linear, the last choice is the equation that the calculator gives.
The regression equation for Y is: ŷ = -0.223X + 20.523
What is Linear equation?A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. Sometimes, the aforementioned is referred to as a "linear equation of two variables," with y and x serving as the variables.
Sum of X = 15
Sum of Y = 99.27
Mean X = 3
Mean Y = 19.854
The sum of squares (SSX) = 10
The sum of products (SP) = -2.23
Regression Equation = ŷ = bX + a
b = SP/SSₓ = -2.23/10 = -0.223
a = My - bMₓ = 19.85 - (-0.22*3) = 20.523
ŷ = -0.223X + 20.523
Learn more about Linear equations here:
https://brainly.com/question/11897796
#SPJ5
Use the unit rate of $2.09 per pound to find the cost of 8.5 pounds of grapes. [Type your answer as a number and round to the nearest cent.]
8.5 pounds of grapes = $ _____
Answer:
multiply total weight by unit cost
8.8 x 2.09 = 17.765 = $17.77
Step-by-step explanation:
Answer:
TC(x) = ($2.09/lb)(8.5 lb) = $17.77
Step-by-step explanation:
The total cost is the product of (unit price) and (number of pounds):
TC(x) = ($2.09/lb)(8.5 lb) = $17.77
Use the FOIL method to find the product below
Answer:
C is correct
Step-by-step explanation:
Lana has 4 bags of apples. Each bag has 9 apples. She puts an equal number of apples on each of 6 plates.
Let n be the number of apples on each plate.
What equation can be used to find n?
The diameter of a circle is 2 inches. What is the circle's area?
Use 3.14 for'a.
square inches
Submit
Answer:
3.14
Step-by-step explanation:
Answer:
3.14 inches squared
Step-by-step explanation:
\(Area=\pi r^{2}\)
If the diameter is 2 inches, the radius is 1 inch
Area = (3.14)(1x1)
Area=3.14
For the binomial distribution, which formula finds the standard deviation? Choose the correct answer below: np npq npnpq
The formula for finding the standard deviation for a binomial distribution is σ2=npq. f.
What means binomial distribution?
When each trial has the same probability of achieving a given value, the number of trials or observations is summarized using the binomial distribution.
what is binomial Distribution Formula?For each random variable X, the binomial distribution formula is given by;
P(x:n,p) = nCx px (q)n-x
Where,
n = the number of experiments
x = 0, 1, 2, 3, 4, …
p = Probability of Success in a single experiment
q = Probability of Failure in a single experiment = 1 – p
formula for finding standard deviation of a binomial distribution is npq. f.
To learn more about binomial distribution visit:
https://brainly.com/question/14565246
#SPJ4
The nth term of a sequence is -5 + n
Work out the 40th term of the sequence.
The 40th term of the sequence is 35 if the nth term is given as -5 + n.
Given,
nth term, aₙ = - 5 + n or n - 5
For 40th term n = 40
or 40th term = a₄₀ = 40 - 5
a₄₀ = 35
Therefore, the 40th term of the sequence is 35, if the nth term is given as -5 + n.
To learn more about the nth term:
https://brainly.com/question/1582366
a distribution of values is normal with a mean of 164.8 and a standard deviation of 92.6. find p42, which is the score separating the bottom 42% from the top 58%.
The raw score which is the score separating the bottom 42% from the top 58% is 183.32.
The given variable is a normal distribution variable.
Mean of the variable is given by = µ = 164.8
Standard deviation of the variable is given by = s = 92.6
Let the p42 or the score separating the bottom 42% from the top 58% be x.
z = (x - 164.8)/92.6
So, P(Z < z) = 0.42
We know that normal distribution table that P(Z < -0.21) = 0.42
So, z = - 0.21
(x - 164.8)/92.6 = 0.21
x - 164.8 = 0.21*92.6
x - 164.8 = 18.52
x = 18.52 + 164.8
x = 183.32
Hence the required raw score will be 183.32.
To know more about normal distribution here
https://brainly.com/question/28647661
#SPJ4
if 1+sin² =3sin *cos, prove that tan = 1 or 1/2
Step-by-step explanation:
hif 1+sin² =3sin *cos, prove that tan = 1 or 1/2The price of a toy usually costing £50 is increased to £65
Work out the percentage increase
Answer:
15%
Step-by-step explanation:
Compare m∠cab and m∠cdb from question 1. how are the measures of the two angles related?
The measure of ∠BOD = ∠AOC = 90 since opposite angles of a parallelogram are equal. m∠cab = m∠cdb as they are corresponding angles since AC ∥ DB.
To find ∠BOD, we can use the fact that opposite angles of a parallelogram are equal. Since AC ∥ DB, we have:
∠BOD = ∠AOC
Now, we can use the fact that the sum of angles in a triangle is 180 degrees to find ∠AOC:
∠AOC = 180 - ∠CAB - ∠CDB
∠AOC = 180 - 35 - 55
∠AOC = 90
Therefore, we have:
∠BOD = ∠AOC = 90
So, ∠BOD is a right angle.
To compare m∠cab and m∠cdb, we can use the fact that corresponding angles are equal when two parallel lines are intersected by a transversal. Since AC ∥ DB, we have:
m∠cab = m∠cdb
Therefore, the measures of the two angles are equal.
To know more about Angle:
https://brainly.com/question/28451077
#SPJ4
_____The given question is incomplete, the complete question is given below:
Line segments AB and CD intersect at O such that AC ∥ DB. It ∠CAB = 35 and ∠CDB= 55. Find ∠BOD. Compare m∠cab and m∠cdb from question 1. how are the measures of the two angles related?
There are 27 cupcakes. Nine are chocolate, 7 are
vanilla and the rest are strawberry. What is the
ratio of chocolate & strawberry cupcakes to
vanilla & chocolate cupcakes?
Answer:
9/11 = 7/9
Step-by-step explanation:
9 are chocolate
27 - 16 = 11
7 are vanilla
20:16
Step-by-step explanation:
9 chocolate
7 vanilla
11 strawberry
9+11=20, 9+7=16
Alan washed 60 plates in 30 minutes. It took him 3 minutes to wash 6 plates. Is the number of plates washed in 3 minutes proportional to the total number of plates he washed in 30 minutes?
Answer:
Yes
Step-by-step explanation:
The numbers both multiplied by 10
3 -6
30-60