Answer:
Step-by-step explanation: His final position relative to ground level should be -3. If he starts out 6 feet under ground that is a negative number. So we have -6. Then he climbs up 14 feet. So we are going to add -6+14 which equals 8. Next it says he climbs down 11 feet. So we have a -11 and we will do 8-11=-3.
So -3 is the answer
Hope this helps.
Help needed ASAP will give brainliest and 5 STARS VOTE RATE
Answer:
Nebula
Step-by-step explanation:
a ______ is a way to organize qualitative data into categories and record the number of observations in each category.
Frequency distribution is a way to organize qualitative data into categories and record the number of observations in each category.
Differentiate between frequency distribution and relative frequency ?
A frequency distribution lists how frequently each category of data occurs, but a relative frequency analysis lists how frequently each types of information occurs.
One approach to organise data is to use a "frequency distribution," which can be done by listing the data, placing it in a table, or displaying it in a graph. Then, the list's entries (distinct values) are counted in terms of how frequently they have occurred.
Define relative frequency distribution
A "relative frequency distribution," on the other hand, refers to the percentage of the total number of observations that fall into a certain group. Divide each frequency by the total amount of data in the sample to obtain this.
what is qualitative data ?
Quantitative data are counts or measures, whereas qualitative data describe categories. Examples of qualitative data include eye colours and shoe brand names in a consumer survey. Examples of quantitative data are student heights and test results.
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Help ASAP pleaseeeeeee ASAP ASAP ASAP thank u
You are aiming to row across a river straight to the other side. However, the river is flowing to your right at 0.6 meters per second. You know that you can row at 1.1 meters per second. 9 In what direction, in degrees relative to straight across the river, should you point your boat? (Take angles to the left as positive.)
So the direction that the boat should be pointed is 28.3 degrees to the left of straight across the river.
We can see that there are two forces acting on the boat:
the rowing force, which points straight ahead, and the force of the river current, which points to the right.
We want to find the direction that the boat should be pointed in order to reach the other side of the river.
Let's call this angle θ.
Using trigonometry, we can set up the following equation:
tan θ = opposite/adjacent
where opposite is the force of the river current (0.6 m/s) and adjacent is the rowing force (1.1 m/s).
tan θ = 0.6/1.1θ
= tan⁻¹(0.6/1.1)θ
≈ 28.3°
So the direction that the boat should be pointed is 28.3 degrees to the left of straight across the river.
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The height of an art is 7 feet, and Mike guessed that it was 6.33 feet. What as the percnet of his error?
Answer:
I believe it is 90.43% rounded to the nearest hundredth.
Step-by-step explanation:
list some things I could spend a million dollars on.. doing a math worksheet and I can’t think of things.. help!
Answer:
A car, college, and house, bills. and Airplane? would those work?
Step-by-step explanation:
Find the distance between the two points. (-1, 6). (2.8)
Round to the nearest hundredth
The distance between the two points. (-1, 6). (2.8) is 3.61 units
How to determine the distance?The points are given as: (-1,6) and (2,8)
The distance is calculated using:
\(d = \sqrt{(x_2 -x_1)^2 + (y_2 -y_1)^2}\)
This gives
\(d = \sqrt{(-1 -2)^2 + (6 -8)^2}\)
Evaluate the sum of squares
\(d = \sqrt{13}\)
Evaluate the exponent
d = 3.61
Hence, the distance between the two points. (-1, 6). (2.8) is 3.61 units
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4
∫ (1-e^-x0 dx
0
solve the given equation using the composite simpson’s 1/3 rule with n = 4, and determine the true percent relative error based on the analytical solution. (round the solution of the equation to four decimal places and percent relative error to two decimal places.) The solution of the given equation is with a true percent relative error of Skipped Hint References
The solution of the given equation is [solution] with a true percent relative error of [error].
What is the numerical solution and true percent relative error?To solve the given equation using the composite Simpson's 1/3 rule, we need to apply the formula with the specified value of n = 4.
However, the equation itself is missing from the question, so we cannot provide the exact numerical solution.
Similarly, the true percent relative error also depends on the analytical solution, which is not provided. Without the equation and the analytical solution, we are unable to calculate the numerical solution or the true percent relative error accurately.
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which of the following is a statistical question that can result in numerical data? how many hours do the students in your class spend on social media each week? how many ounces of water do you drink each day? how many phone chargers does your family have? who is the owner of frontier space?
An statistical question that can result in numerical data is given as follows:
How many hours do the students in your class spend on social media each week?
What is an statistical question?A question is classified as statistical if it can receive answers of data that vary.
For the question to be classified as numeric, the answers must be numeric instead of labels.
Hence the question in this problem is about the number of hours that the students study, as each study will study a different number of hours.
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Answer:
How many miles do the students in your class run each week? Is the question. Hope it helped
:)
Mike earns $70 per day. He received a 25% increase in pay. How much money is Mike now making per day?
jason bought a tv that costs 2,200 if the sales tax was 5.5 % how much did he pay for the tv
Answer: $2321
Step-by-step explanation:
Sales tax means that the total price is the original price, plus the tax.
The tax is 5.5%, so to get the tax we multiply the sales price by 5.5% and add that to the original price.
To turn a percent into a decimal that we can use on a calculator, simply move the percentage's decimal point two spaces to the left.
5.5 --> 0.55 --> 0.055.
Now multiply 2200 by 0.055
2200 * 0.055 = 121
2200 + 121 = 2321
3. Find the height of the tree below to the nearest foot.
The height of the tree to the nearest foot is 27 feet.
How to find the height of a tree?The height of the tree can be found as follows:
The height of the tree can be found using trigonometric ratios. Therefore,
let
tan ∅ = opposite / adjacent
Therefore,
opposite side = adjacent tan ∅
Hence,
height of the tree = 20 + x tan 45° = x tan 75°
20 + x tan 45° = x tan 75°
20 tan 45 + x tan 45° = x tan 75°
20 tan 45 = x tan 75° - x tan 45°
20 tan 45 = x(tan 75 - tan 45)
20 tan 45 = x(3.73205080757 - 1)
2.73205x = 20
x = 20 / 2.73
x = 7.32600732601
x = 7.34
Therefore,
height of the tree = x tan 75°
height of the tree = 7.34 × tan 75°
height of the tree = 27.3186119114
height of the tree = 27 ft
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fasttt please 6,132 ÷ 10³ =
Answer:
6.132
Step-by-step explanation:
please mark me the brainiest
x-2(x+10)=12 , -15=5(3q-10)-5q
Please Help
Answer:
-4,3.5
Step-by-step explanation:
1st one
x-2x-20 = 12
-x = 32
x=-4
2nd one
-15=15q-50 - 5q
35= 10q
q = 3.5
The graph of the cubic parent equation, y=x3
, is plotted on the coordinate plane.
Select two equations that represent a shift of the graph of the parent equation to the right on the coordinate plane.
The two equations that represent a shift of the graph are y=(x-12)³ and y=(x+8)³.
What is an equation?
Variable terms are frequently used in complex algorithms to reconcile two opposing claims. Academic statements known as equations are used to express the equivalence of different academic quantities. Rather than using a specific algorithm to divide 12 into two parts and assess the data obtained from y + 7, normalization in this case leads to b + 7.
The two equations describe a shift of the graph of the parent equation on the coordinate plane towards the right.
=> y=(x-12)³
=> y=(x+8)³
Therefore , the solution of the given problem of equation comes out to be y=(x-12)³ and y=(x+8)³.
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The covariance between the returns of stocks a and b is –0.073. the standard deviation of the rates of return is 0.5 for stock a and 0.3 for stock b. the correlation of the rates of return between a and b is the closest to:_________
The closest correlation of rates of return between stocks a and b is approximately -0.487 (negative), indicating opposite movements.
The relationship coefficient between two stocks an and b can be determined utilizing the equation:
relationship coefficient = covariance/(standard deviation of stock a * standard deviation of stock b)
Considering that the covariance between the profits of stocks an and b is - 0.073, and the standard deviation of the paces of return is 0.5 for stock an and 0.3 for stock b, we can substitute these qualities into the recipe to track down the connection coefficient.
relationship coefficient = - 0.073/(0.5 * 0.3) ≈ - 0.487
Consequently, the nearest worth of the connection of the paces of return between stock an and b is - 0.487. This negative relationship coefficient demonstrates that the profits of the two stocks will generally move in inverse bearings. At the point when one stock's return is high, the other stock's return is probably going to be low, as well as the other way around.
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What is the factored form of this expression? x9-1000
A. (x3-10)(x3+10)(x2-10x+100)
B. (x3+10)(x6-10x3+100)
C. (x-10)(x+10)(x3-10x2+100)
D. (x3-10)(x6+10x3+100)
Answer:
D. (x^3 - 10)(x^2 + 10x^3 + 100).
Step-by-step explanation:
Using the identity a^3 - b^3 = (a - b)(a^2 + ab + b^2):
We have x^9-1000 :
- here a = x^3 and b = 10 so:
x^9-1000 = (x^3 - 10)(x^2 + 10x^3 + 100)
The 7th graders are ordering T-shirts. They must pay $185 for the printer to make the design. After that, they pay $15 per shirt. If they paid $665 in all, how many shirts did they order?
Answer:
no sé no entiendo ingles
1. The amount, A (in liters), of oxygen used by a person's bloodstream varies directly
with the amount, 1 (in liters) that is inhaled. At rest a normal person inhales about
12.5 liters of oxygen per minute, of which about 0.5 liters is absorbed by the blood
through the lungs and the rest is dispelled when the person exhales. The maximum
amount of oxygen that a person's body is capable of using is about 3.5 liters per
minute. At this rate, how much oxygen would be inhaled each minute?
Answer:A
Step-by-step explanation:
3.4 litres of oxygen would be inhaled each minute
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Given that The amount, A (in liters), of oxygen used by a person's bloodstream varies directly with the amount, 1 (in liters) that is inhaled.
At rest a normal person inhales about 12.5 liters of oxygen per minute, of which about 0.5 liters is absorbed by the blood through the lungs and the rest is dispelled when the person exhales.
The maximum amount of oxygen that a person's body is capable of using is about 3.5 liters per minute.
We need to find the amount of oxygen inhaled each minute.
To find this let us form an equation
12.5=0.5+3.5x
12=3.5x
Divide both sides by x
12/3.5=x
3.4=x
Hence, 3.4 litres of oxygen would be inhaled each minute
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write the equation of the line with the two points given, in slope intercept form (-12,14) and (6,-1)
Answer:
y= -5/6+4
Step-by-step explanation:
slope intercept form: y=mx+b
To find the slope: m=y2-y1 / x2-x1
So you subtract, divide, and simply \(\frac{-1-14}{6-(-12)} =\frac{-15}{18} =-\frac{5}{6}\)
Then use point-slope form to yet your slope-intercept form: y-y1=m(x-x1)
You use the first point that is (-12,14)
\(y-14=-\frac{5}{6} (x-(-12)\\\\y-14=-\frac{5}{6} x-10\\\\y=-\frac{5}{6} +4\)
The length of the sofa on the plans is ____"(Simplify your answer. Type an integer, fraction, or mixed number.)
Given:
\(\frac{1}{6}^{\doubleprime}\text{ on a plan for 1 foot }\)The length of the sofa is 6'3''.
We need to convert the foot into inches.
\(1\text{ foot = 12 inches.}\)\(1^{\prime}=12^{\doubleprime}\)Multiply both sides by 6, we get
\(1\times6^{\prime}=12\times6^{\doubleprime}\)\(6^{\prime}=72^{\doubleprime}\)The length of the sofa is
\(6^{\prime}3^{\doubleprime}=72^{\doubleprime}+3^{\doubleprime}=75^{\doubleprime}\)The scale of the plan is
\(\frac{1}{6}^{\doubleprime}\colon1^{\prime}\)\(\frac{1}{6}^{\doubleprime}\colon12^{\doubleprime}\)Multiply by 75/12 on both sides, we get
\(\frac{75}{12}\times\frac{1}{6}^{\doubleprime}\colon\frac{75}{12}\times12^{\doubleprime}\)\(\frac{75}{72}^{\doubleprime}\colon75^{\doubleprime}\)\(1\frac{3}{72}^{\doubleprime}=75^{\doubleprime}\)\(1\frac{1}{24}^{\doubleprime}=75^{\doubleprime}\)Hence the length of the sofa on the plan is
\(1\frac{1}{24}^{\doubleprime}\)Determine if the columns of the matrix form a linearly independent set. Justify your answer.
13/26= x/24 solve for x
Answer: x = 12
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
you would multiply both sides by 24
Elmhurst Comics Store did a lot of business over the weekend! The manager deposited $400 from cash sales into the store's bank account Monday morning. Monday afternoon, he withdrew $115 from the account to pay for some ads in the newspaper.
What was the total change in the store's account relative to where it started?
Answer:
285
Step-by-step explanation:
400 - 115 = 285
Answer:
$285.00
Step-by-step explanation:
Kevin wrote a riddle: a positive number is 5 less than another positive number. 6 times the lesser number minus 3 times the greater number is 3. find the two positive numbers.
The two positive numbers are 6 and 11
How to determine the two positive numbersFrom the question, we understand that:
There are two positive numbers
Represent these numbers with x and y
So, we have the following equations
x = y - 5
6x - 3y = 3
Substitute x = y - 5 in 6x - 3y = 3
6(y - 5) - 3y = 3
Open the brackets
6y - 30 - 3y = 3
Evaluate the like terms
3y = 33
Divide by 3
y = 11
Substitute y = 11 in x = y - 5
x = 11 - 5
So, we have
x = 6
hence, the numbers are 6 and 11
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A cylindrical cookie jar has a volume of 904.23 cubic inches. It is 8 inches tall. What is the radius of the cookie jar? Round your answer to the nearest inch.
Answer:
Answer:
r = 6 in
Step-by-step explanation:
The volume of a cylinder of radius r and height or length h is
V = πr²h.
Here, we need to solve for the radius; we get:
V
------------- = r²
πh
904.23 in³
This works out to r² = ----------------- = 35.97 in²
π(8 in)
Finally, take the square root of this result to find the radius, r:
r = √35.97 in² = 6 inches
The following cone has a slant height of 17
cm and a radius of 8
cm.
What is the volume of the cone?
Responses
480π
320π
544π
The formula for the volume of a cone is:
V = (1/3)πr²h
where r is the radius of the base, h is the height of the cone, and π is pi.
In this case, the slant height is given as 17 cm, which we can use with the radius to find the height of the cone using the Pythagorean theorem:
h² = s² - r²
h² = 17² - 8²
h² = 225
h = 15
Now that we have the height, we can plug in the values for r and h into the formula for the volume:
V = (1/3)π(8²)(15)
V = (1/3)π(64)(15)
V = (1/3)(960π)
V = 320π
Therefore, the volume of the cone is 320π cubic cm. Answer: 320π.
Mary analyzed occupancy rates at two community hospitals and obtained the following Excel results.
t-Test for Acue Care Occupancy Rates
MaxHealth HealthPro Mean 62.5462 68.4800 Variance 108.2377 98.3707 Observations 13 10 Hypothesized Diff 0 df 20 t Stat −1.3923 P(T<=t) one-tail 0.0896 t Critical one-tail 1.7247 P(T<=t) two-tail 0.1791 t Critical two-tail 2.0860 Which conclusion is correct in a two-tailed test at α = .05?
Multiple Choice
There appears to be no difference in the mean occupancy rates.
There is a significant difference in the mean occupancy rates.
HealthPro has a significantly higher mean occupancy rate.
Carver Memorial Hospital’s surgeons have a new procedure that they think will decrease the time to perform an appendectomy. A sample of 8 appendectomies using the old method had a mean of 38 minutes with a variance of 36 minutes, while a sample of 10 appendectomies using the experimental method had a mean of 29 minutes with a variance of 16 minutes. For a right-tailed test for equal means (assume equal variances), the critical value at α = .10 is
Multiple Choice
2.120
2.754
1.746
1.337
The conclusion that is correct in a two-tailed test at α = .05 is There appears to be no difference in the mean occupancy rates.
How to solveFrom the given values:
Thus, the P-value = 0.1791
Interpret results. Since the P-value (0.1791) is greater than the significance level (0.05), we failed to reject the null hypothesis.
From the above test, we do not have sufficient evidence in favor of the claim that there is a difference in the mean occupancy rates.
Thus, option A is correct.
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The graph shows the cumulative frequency of points earned for a game.
A student claims that the graph shows the player earned more points from Level 2 to Level 3 than from Level 4 to Level 5. Is the student correct?
No, the player earned 67 points from Level 2 to Level 3 and 69 points from Level 4 to Level 5.
No, the player earned 42 points from Level 2 to Level 3 and 44 points from Level 4 to Level 5.
Yes, the player earned 67 points from Level 2 to Level 3 and 69 points from Level 4 to Level 5.
Yes, the player earned 42 points from Level 2 to Level 3 and 44 points from Level 4 to Level 5.
No, the player earned 42 points from Level 2 to Level 3 and 44 points from Level 4 to Level 5.
How to determine if the student's claim is correct or not?Given that:
A student claims that the graph shows the player earned more points from Level 2 to Level 3 than from Level 4 to Level 5.
Let's examine the line graph:
At level 2 the point is 45 and at level 3 the point is 87. Thus, the points earned moving from Level 2 to Level 3 will be:
87 - 45 = 42
At level 4 the point is 112 and at level 5 the point is 156. Thus, the points earned moving from Level 4 to Level 5 will be:
156 - 112 = 44
Since the points earned moving from Level 2 to Level 3 is less than the points earned moving from Level 4 to Level 5. Thus, the student's claim is not correct.
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A square picture is mounted on a larger rectangular sheet of poster paper leaving a border around the picture of 2 inches on the bottom and 1 inch on each remaining sides. The sheet of poster apper has an area of 42 square inches. If x represents the length of a side of the square picture, then an equation that can be used to determine the value of x is
An equation that can be used to determine the value of x is x² + 5x - 36 = 0.
To answer the question, we need to know what equations are
What is an equation?An equation is an expression which shows the relationship between two variables.
Given that the x represents the length of side of the square picture and the rectangular sheet poster leaving a border around the picture of 2 inches on the bottom and 1 inch on each remaining sides.
Then,
The width of the rectangular poster is W = x + 2 + 1 = x + 3. The length of the rectangular poster is L = x + 1 + 1 = x + 2So, the area of the rectangular sheet poster is A = LW
= (x + 2)(x + 3)
Since the rectangular sheet poster has an area of 42 square inches, A = 42 in².
So, (x + 2)(x + 3) = 42
x² + 3x + 2x + 6 = 42
x² + 5x + 6 - 42 = 0
x² + 5x - 36 = 0
So, an equation that can be used to determine the value of x is x² + 5x - 36 = 0.
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