Help NEEDED asap if you dont know atleast comment
Item 11
MODELING REAL LIFE The stem-and-leaf plot shows the number of confirmed cases of a virus in 15 countries.
A stem and leaf plot. A vertical line separates each stem from its first leaf. The first row has a stem of 4 and leaves 1, 1, 3, 3, and 5. The second row has a stem of 5 and leaves 0, 2, 3, and 4. The third row has a stem of 6 and leaves 2, 3, 3, and 7. The fourth row has a stem of 7 and leaf 5. The fifth row has a stem of 8 and no leaves. The sixth row has a stem of 9 and leaf 7. The key shows 5 vertical bar 0 is equal to 50 cases.
Find the mean, median, mode, range, and interquartile range of the data. Round your answers to the nearest tenth, if necessary.
The mean is
.
The median is
.
The modes from least to greatest are
,
, and
.
The range is
.
Answers
I tried to do it and this is what i got
mean - 4.19
median - 3 or 4
Modes L to G - 0,1,1,2,2,3,3,3,3,3,4,4,5,5,5,6,7,7,7,8,9 and the most occuring number is 3
Range - 9
I tried i hope this can help, i'm sorry if not.
As always i would appreciate a brainliest
Related Questions
I need some help with this math problem
Answers
plz help 25 pts and ill mark u brainliest
Answers
Answer:
if your doing scientific notation then 2.7x10^3 would be the only one correct. if its not scientific notation then 27x10^3 would be more because it would be equivilent to 2700<27000
Step-by-step explanation:
Answer: B
Step-by-step explanation:
10 to the third power is 10*10*10
10*10=100
100*10=1000
2.7*1000=2700
Second Statement
10 to the power of 3 is 10*10*10
10*10=100
100*10=1000
27*1000=27,000
B is the answer
Hope this helped, can i please have brainliest, if not thats alright
Have a Great Day
Please help LOL :) I need help ASAP
Answers
Answer:
5,000
Step-by-step explanation:
length x width x height
4 x 50 x 25 = 5,000
Answer:
well what I learned is
the volume of the cube is
l × b × h ( length × breath × height)
Step-by-step explanation:
solution
the volume of the cube is : l × b × h
= 4m × 50m × 25m
= 5000m
Substitute and simplify.
w = -6, x = 4, y = 3, z = -8
1. WX + YZ =
2. 2w + 3z- xy + z³ =
3. y(z + x) =
4. (W+x+y)³=
5. (z-w)³ =
6. 5(w + x) + 4(y + z) =
7. W² - x² =
8. (xy) – 2wz =
9. wz - 4xy =
10. w+ (x+y+z)² =
Answers
The solution to all the Equations is shown below.
What is Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given:
w = -6, x = 4, y = 3, z = -8
1. WX + YZ
= (-6) (4) + (3)(-8)
= -24 - 24
= -48
2. 2w + 3z- xy + z³
= 2(-6) + 3(-8) - (4)(3) + (-8)³
= -12 - 24 - 12 -512
= -560
3. y(z + x)
= 3(-8 + 4)
= -12
4. (w + x + y)³
= (-6 + 4 + 3)³
= 1
5. (z-w)³
= (-8 + 6)³
= -8
6. 5(w + x) + 4(y + z)
= 5(-6 + 4) + 4(3 -8)
= -10 - 20
= -30
7. W² - x² =
= (-6)² - (4)²
= 36 - 16
= 20
8. (xy) – 2wz
= (4)(3) - 2(-6)(-8)
= 12 -2 (48)
= 12 -96
= -84
9. wz - 4xy
= (-6)(-8) - 4(4)(3)
= 0
10. w+ (x+y+z)²
= -6 + 1
= -5.
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Susan bought a pair of jeans for $20.95 and a shirt for $11.50. She paid with $40.00. How much was her change?
Answers
Answer:
$7.55
Step-by-step explanation:
First, add the prices to get the grand total.
$20.95 + $11.50 = $32.45
Now, subtract that from the total that was paid.
$40.00-$32.45 = $7.55
Solve the system of substitution with y=3x-2 and y-3x=4
Answers
y-3x=4. 2
These are the system
So you substitute y=3x-2 in the second equation which is y-3x=4
3x-2-3x=4
-2=4. No solution
Write an
explicit formula for an, the nth
term of the sequence 8, 16, 24, ....
Answers
Answer:
For an nth term U(n) = a + (n -1)d
n = number of terms
a = first term
d = common difference
a = 8
d = 16 - 8 = 8
U(n) = 8 + (n-1)8
= 8 + 8n - 8
= 8n
The formula for the sequence is 8n
Hope this helps.
Find the value of the variable.
16.5
11
PID
29
Р=
Answers
The value of the variable is equal to 12.
What is an angle bisector?In Mathematics and Geometry, an angle bisector can be defined as a type of line, ray, or segment, that typically bisects or divides a line segment exactly into two (2) equal angles.
By applying the angle bisector theorem to the given triangle, the variable y can be calculated by using the following mathematical equation (formula):
y/6 = 8/4
By cross-multiplying, we have the following:
4y = 6 × 8
4y = 48
By dividing both sides of the equation by 4, we have the following:
y = 48/4
y = 12
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help me with this math question please
Answers
44+56+60+85= 245 Which is the least needed to cover the expenses.
Answer:
$44.00 + $85.00 = $129.00
Step-by-step explanation:
The least amount that she needs is $129.00 because we're summing the amount for food and House Rent.
Movies and Shopping are less important.
3
Ten children played arcade games. The table shows the amount of time each child played and the number of tokens each child used in that time.
Child Child Child Child Child Child Child Child Child Child
1
2
3
4
5
6
7
8
9
10
Time
Played
(minutes)
Tokens
Used
1
5
3
5
S 15
12 1 24
S
18
එය
20
1
30
15
35
39
35 S
The correlation coefficient is 0.363 for these data.
Which statement is the best interpretation of the correlation coefficient?
There is a strong negative association between the number of minutes played and the number of tokens used.
There is a weak negative association between the number of minutes played and the number of tokens used.
There is a strong positive association between the number of minutes played and the number of tokens used.
There is a weak positive association between the number of minutes played and the number of tokens used.
Answers
The best interpretation of the correlation coefficient is:
There is a weak positive association between the number of minutes played and the number of tokens used.
What is the correlation coefficient?
A correlation coefficient is a number between -1 and 1 that tells you the strength and direction of a relationship between variables.
The correlation coefficient is 0.363 for these data. Since the correlation coefficient is positive,
we know that there is a positive association between the number of minutes played and the number of tokens used.
However, since the correlation coefficient is less than 0.5, we can conclude that the association is weak.
Therefore, the best interpretation of the correlation coefficient is:
There is a weak positive association between the number of minutes played and the number of tokens used.
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Does the point (–8, 8) satisfy the equation y = x?
Answers
Answer:
No, because given the function, both values are supposed to be the same number.
-8 is different from 8, and vice-versa, so it doesn't work.
Section 7.3; Problem 2: Confidence interval a. [0.3134, 0.3363] b. [0.2470, 0.3530] c. [0.2597, 0.3403] d. [0.2686, 0.3314] e. [0.2614, 0.3386]
Answers
Based on the given options, the correct answer for the confidence interval is:
c. [0.2597, 0.3403]
The confidence interval represents a range of values within which we can estimate the true population parameter with a certain level of confidence. In this case, the confidence interval suggests that the true population parameter falls between 0.2597 and 0.3403.
To calculate a confidence interval, we typically need information such as the sample mean, sample standard deviation, sample size, and a desired confidence level. Without this information, it is not possible to determine the exact confidence interval.
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Lightning strikes Earth 1000 times in 10 seconds. a. How many times does lightning strike in 12 seconds? Lightning strikes times in 12 seconds. Question 2 b. How many seconds does it take for lightning to strike 7250 times? It takes seconds for lightning to strike 7250 times.
Answers
Answer:
1000/10x12= answer
Step-by-step explanation:
Part A:
Divide the number of lightning strikes to the number of seconds to find the average rate.
1000 / 10 = 100 strikes per second
Now, multiply by 12 to find the number of strikes that occurred.
100 * 12 = 1200 strikes in 12 seconds
Part B:
Divide the number of seconds to the number of lightning strikes to find the average rate.
10 / 1000 = 0.1 seconds per strike
Now, multiply by 7250 to find the number of seconds that passed.
0.1 * 7250 = 72.5 seconds in 7250 strikes
Best of Luck!
does the data suggest that, on the average, the cardboard cap group took longer to complete the task than the transparent cap group?
Answers
Based on the data provided, it appears that on average, the cardboard cap group took longer to complete the task compared to the transparent cap group.
To answer this question, we would need to compare the average completion times of the two groups. If the average completion time of the cardboard cap group is higher than that of the transparent cap group, then the data would suggest that the cardboard cap group took longer to complete the task on average. Working capital is the difference between a company's current assets and short-term liabilities. The challenge is to identify the appropriate items for the various assets and liabilities on the company's balance sheet to determine the company's overall health and ability to meet short-term commitments. Therefore, we would need to calculate the average completion time for each group and compare the results to answer this question.
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Q6. Write these numbers in order of size.
Start with the smallest number.
0.5
-5
5 to the power of 0
5 to the power of -1
Answers
Answer:
It should be -5, 5 to the power of -1, 0.5, 5 to the power of 0 in least to greatest form.
Step-by-step explanation:
Please give the proof process: 2n3 + 3n +10 = Q( n³).
Answers
2n^3 + 3n + 10 can be written as a polynomial of the form Q(n^3), where Q(n^3) represents the set of polynomials of the form a(n^3).
To prove that the expression 2n^3 + 3n + 10 is in the set Q(n^3), where Q(n^3) represents the set of polynomials of the form a(n^3), we need to show that the expression can be written in the form a(n^3) for some constant "a".
Let's start by factoring out the common factor of n^3 from each term:
2n^3 + 3n + 10 = n^3(2 + 3/n^2 + 10/n^3)
Now, let's rewrite the expression as a single term multiplied by n^3:
2n^3 + 3n + 10 = (2 + 3/n^2 + 10/n^3)n^3
Simplifying the expression inside the parentheses:
= (2n^3 + 3n^2 + 10n^3)/n^3
= (12n^3 + 3n^2)/n^3
= 12 + 3/n
ow, we can see that the expression can be written in the form a(n^3), where a = 12 and n^3 = 3/n.
Therefore, we have shown that 2n^3 + 3n + 10 can be written as a polynomial of the form Q(n^3), where Q(n^3) represents the set of polynomials of the form a(n^3).
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A teacher asks her students to write down the number of hours studied, rounded to the nearest half hour. She compiles the results and develops the probability distribution below for a randomly selected student. What is the mean of the probability distribution?
Probability Distribution
Hours Studied: X
Probability: P(X)
0.5
0.07
1
0.2
1.5
0.46
2
0.2
2.5
0.07
0.20
0.46
0.85
1.50
Answers
Answer:
1.50
Step-by-step explanation:
To find the mean of the probability distribution, we need to multiply each value of hours studied by its corresponding probability, then add up the products.
Mean = (0.5 x 0.07) + (1 x 0.2) + (1.5 x 0.46) + (2 x 0.2) + (2.5 x 0.07)
Mean = 0.035 + 0.2 + 0.69 + 0.4 + 0.175
Mean = 1.5
Therefore, the mean of the probability distribution is 1.5.
Answer:
D
Step-by-step explanation:
1.50 on edge (if that guys right)
what are 2 reasons why people should wear masks for school report.
Answers
Answer:
-decreases the chance of contracting any type of virus
-decreases the chance of other people contracting the virus
Step-by-step explanation:
Answer: It keeps people safe, and it keeps you safe as well.
Step-by-step explanation: You're keeping other people safe by wearing a mask,since youre limiting or even entirely preventing particles and germs from reaching other people,and protecting yourself because a mask prevents germs entering your nose and mouth.
Bill and Donald entered into a bet on the outcome of the next congressional election in their district. After the election, Bill, who bet on the winner, approached Donald, seeking to collect the $3,000 Donald had wagered. Donald paid Bill the wager but now seeks to recover the funds from Bill. Result?
Answers
Donald paid the wager to Bill after losing the bet, he may not be able to recover the funds from Bill.
Given that Donald had willingly fulfilled his part of the bet by paying the wager to Bill, it would be difficult for him to recover the funds. Generally, once a payment is made and received, it is considered a final transaction, and the payer loses any legal entitlement to demand a refund. This principle is known as the "doctrine of consideration" or "consideration of contract."
In this case, Donald voluntarily transferred the funds to Bill, acknowledging his loss and fulfilling his obligation under the bet. Consequently, Donald may not have a legal basis to recover the funds from Bill, as he has already relinquished his claim to them.
However, it is important to note that legal outcomes can vary based on jurisdiction and specific circumstances. Laws and regulations governing bets and contracts can differ, so consulting with a legal professional would provide the most accurate guidance for this particular situation.
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The price of a chair is AED 23 less than the price of a table. If three chairs and two tables cost AED 405. What is the price of the table?
Round your answer to a whole number.
Answers
To begin a bacteria study, a petri dish had 2500 bacteria cells. Each hour since, the number of cells has increased by 4.6%.
Let ( be the number of hours since the start of the study. Let y be the number of bacteria cells.
Write an exponential function showing the relationship between y and
Answers
Answer:
Amaxesha amnandi ukuba unexesha elimnandi enkosi kuThixo ukuba unexesha elimnandi enkosi kuThixo ngokuba nexesha elimnandi enkosi kuThixo ngokuba nexesha elimnandi bulela uThixo ngokuba nexesha elimnandi
y = 12 x + 2 2y = x + 4Use substitution. What is the solution to the system of equations? Use the drop-down menus to explain your answer. y = 12 x + 2 2y = x + 4 The system of equations has Choose... . The two equations represent Choose... .
Answers
The system of equations has one solution. The two equations are intersecting lines.
Substitution Method:The substitution method is one of the algebraic methods to solve simultaneous linear equations. It involves substituting the value of any one of the variables from one equation into the other equation.
We have the equations are:
y = 12 x + 2 ___eq.(1)
2y = x + 4 ____eq.(2)
You have to plug in y for 12x+2 in the second equation.
2(12x+2)=x+4
Simplify the equation:
24x + 4 = x + 4
Subtract 24x from each side
4 = -23x+4
Subtract 4 from each side
0 = 23x
Divide each side by 23
x=0
Now, plug in 0 to one equation.
y=12(0)+2
y=2
The lines intersect at one point, (0,2)
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Helppppppppppppppppppp I’ll mark you brainlist Helppppppppppppppppppp I’ll mark you brainlist
Answers
Answer:
8
Step-by-step explanation:
It is going up by 5, so you have to subtract 13-5 to get the number before 13.
Look at the number 4,444. How is the value of the 4 changing as it moves one place to the left
Answers
Answer:
its going up by 10
Step-by-step explanation:
5x - 7 = 5 - x
Using balancing method in algebra
Answers
Answer:
5x-7-5+X=5-x-5+X
or,6x-12=0
or,6x=12
or,X=12/6
:.X=2
Or
X=12/6 and there is more ways but those are two ways
+
1 1 x2 - 7x+10
Solve
by rewriting the equation as a proportion.
2 2x 4x
Name the true solution(s) to the equation.
Which proportion is equivalent to the original
V x = 1 and x = 8
equation?
Name the extraneous solution(s) to the equation
X
x+2_x2 - 7x+10
✓ x = 0
2x
4x
COMPLETE
x-1_X2-7x +10
2x
4x
x+1_ *? - 7x+10
2x 4x
COMPLETE
Answers
Answer:
22-7x+10
22+10_7X
32-7x
-7X=32
-X=4.57
Answer: Question #1 is C.
Question #2
Name the true solution(s) to the equation.
✔ x = 1 and x = 8
Name the extraneous solution(s) to the equation.
✔ x = 0
Step-by-step explanation:
Write 7\40 as a decimal
Answers
Answer: 0.17
Step-by-step explanation:
Answer:
0.175
Step-by-step explanation:
\(\frac{7}{40}\)
to express as a decimal divide 7 by 40 , that is
7 ÷ 40 = 0.175
What is the area of the triangle?
2
2
Answers
Answer:
A=h(b)b/2
Step-by-step explanation:
The length of the highway is 600 miles. If 2 inches represent 75 miles, what is the length of the highway on the map?
Answers
Answer:
16 inches
Step-by-step explanation:
The variables in this equation are miles and inches. You're given the ration 2 inches: 75 miles. Take the other factor that you are given, which for this problem would be 600 miles, and divide it by the number with the same variable, which would be 75 miles. This comes out to be 8, to which you then multiply that by the number with the variable that you are trying to find, which is two. Therefore, the length of the highway on the map would be 16 inches.
The marked price of an article is Rs 4,500. After allowing some percent of discount
and levying 10% VAT it is sold at Rs 4,400, find the discount percent.
Answers
Answer:
mp=4500
let discount %be x
sp=mp-discount %of mp=4500-x/100×4500=4500-45x
Step-by-step explanation:
sp with 10%vat=sp+vat%of sp
4400=4500-45x+10/100(4500-45x)
4400-4500=(-450x+(4500-45x)/10
-1000=(-450x+(4500-45x)
-1000-4500=-495x
495x=5500
x=5500/495=11.11%