The stemplot below represents the distribution of math test scores for aninth-grade algebra course. What was the highest score received?
Answers
Explanation
We are given the stemplot below:
We are required to determine the highest score received.
A stemplot can be interpreted as follows:
With the illustration above, we can pair the stem and leaf of the stemplot given to determine that the highest score is 100.
Option B is correct. The answer is 100.
Related Questions
Jana and Jenn are training to run a marathon. Jana runs 3 miles in 1/3 of an hour. Jenn runs 5 miles in 3/4 of an hour.
(A) Who runs faster?
(B) what is Jana’s speed in feet per hour?
(C) what is Jana’s speed in feet per minute?
Answers
Using proportions, it is found that:
a) Jana runs faster, due to the higher velocity.
b) Jana's speed is of 47,520 feet per hour.
c) Jana's speed is of 792 feet per minute.
What is a proportion?A proportion is a fraction of a total amount, and equations can be built to find the desired measures in the problem using relations with operations such as multiplication and division.
One example of the application of proportions in this problem is for the relation between velocity, distance and time, as velocity is distance divided by time, that is:
v = d/t.
Hence the velocities in this problem are given as follows:
Jana: 3/(1/3) = 3 x 3 = 9 miles per hour.Jenn: 5/(3/4) = 5 x 4/3 = 6.7 miles per hour.Due to the higher velocity, Jana runs faster.
Another application of proportions is for conversion of units. Each mile has 5280 feet, hence Jana's speed in feet per hour is given by:
9 x 5280 = 47,520 feet per hour.
Each hour has 60 minutes, hence Jana's speed in feet per minute is given by:
47520/60 = 792 feet per minute.
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What is 7 times 56+89-45+72=
Answers
Answer:
508
Step-by-step explanation:
Answer:
Step-by-step explanation:
56x7=392+89=481-45=436+72=508
Natasha is taking out a three week payday loan for $400. He will be charged with $70 interest for a 3 week loan. What is the APR (annual percentage rate) for this loan rounded to the nearest percent?
Answers
If Natasha is taking out a three week payday loan for $400. He will be charged with $70 interest for a 3 week loan. the APR (annual percentage rate) is $304.2
How to calculate the annual percentage rate (APR)?Using this formula to determine the annual percentage rate
APR = [(( interest/principal)/number of days )×365]×100
Principal = $400
Interest = $70
Number of days = 3 weeks = 21 days
Let plug in the formula
APR = [(( 70 / 400)/ 21) ×365 ] ×100
APR = 0.008333 x 365 × 100
APR = 304.166
APR = 304 .2 (Approximately)
Therefore the APR is $304.2.
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Choose the equation that represents a line that passes through points (-1,2) and (3,1) . How do I solve?!
Answers
The required equation is x+4y-9 = 0.
What is an equation?
Algebra is concerned with two types of equations: polynomial equations and the particular case of linear equations. Polynomial equations have the form P(x) = 0, where P is a polynomial, while linear equations have the form ax + b = 0, where a and b are parameters, when there is only one variable. To solve equations from either family, algorithmic or geometric approaches derived from linear algebra or mathematical analysis are used. Algebra also investigates Diophantine equations with integer coefficients and solutions. The approaches employed are unique and derive from number theory. In general, these equations are complex; one frequently searches just for the existence or lack of a solution, and, if they exist, the number of solutions.
The equation is formed below
(y-2) = {(1-2)/(3+1)} (x+1)
or, y-2 = - 1/4 (x+1)
or, 4(y-2) = -1(x+1)
or, 4y - 8 = 1 - x
or, x+4y-9 = 0
Hence, the required equation is x+4y-9 = 0.
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What is an equation of the line that passes through the points (0, -6) and (1, 0)?
Answers
Answer:
y=6x-6
Step-by-step explanation:
find the slope
y2-y1/ x2-x1
then put one of the points in y-y1=m(x-x1)
Simplify the radical expression.
-2√250
-10√10
3√10
-2√25
-2√125
Answers
Answer:
Step-by-step explanation:
if 12 people are called for jury duty, what is the probability that all 12 will be available to serve on the jury? (round your answer to three decimal places.)
Answers
To make a smoothie you use 12 cup of yogurt for every 34 cup of fruit. what is the constant of proportionality that relates y, the number of cups of fruit needed to x, the number of cups of yogurt needed to make a smoothie?
Answers
The constant of proportionality for the smoothie is 0.353.
What is constant of proportionality?It should be noted that the constant of proportionality shows the proportional relationship between the variables that are given.
In this case, to make a smoothie you use 12 cup of yogurt for every 34 cup of fruit, the constant of proportionality will be:
y = kx
where y = number of cups of fruit needed
x= number of cups of yogurt needed to make a smoothie.
This will be:
y = kx
12 = 34k
Divide through by 34
k = 12/34
k = 0.353
The constant is 0.353
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Can you give me the answers plus i really did help
Answers
FOR 57 POINTS
Bella wants to purchase a t-shirt for $14.89. She knows that sales tax is an additional 5%, or , of the price. To find the exact amount of the sales tax, she should multiply the purchase price by
-------- (0.5, 0.02, 0.2, 0.05)
. A good estimate for the amount of sales tax is
--------- ($0.50, $0.75, $0.20, $1.50)
. A good estimate for the total price, including sales tax,
-------- ($14.25, $16.50, $14.75, $15.75)
Answers
2.) A good estimate for the amount of sales tax is $0.75
3.) A good estimate for the total price, including sales tax, is $15.75
Answer:
first person s correct
Step-by-step explanation:
385 dollars is cut into three parts, one part is 5 times bigger, the other is $35 more how much money is in each part
Answers
so the first part is p
the second part is 5p
the third part is p+35
all together, you have 7p + 35 = 385
so 7p = 350, so p = 50.
so the first part is 50, the second part is 250, and the third part is 85. together they make 385!
A 25,000 swimming pool is being filled.Two hundred and fifty gallons are in it after 30 minutes. How many hours will it take to fill the pool?
Answers
Answer:
100????
Step-by-step explanation:
A bumble bee flutters its wings 7,800 times in one minute. A hummingbird flutters its wings 80 times in 1 second which animal flutters its wing more times 1 minute explain
Answers
Answer:
Step-by-step explanation:
the bumble bee flutters it’s wings 3000 times faster
Knowing that the bumble be can do 7800 in one minute and the humming bird can do 80 in a second 1 minute is 80 seconds so if we do 80 times 60 we get 4800 which is less then the amount of flutters the bumble bee does by 3000 flutters
According to a study by nielsen mobile, "teenagers ages 13 to 17 are by far the most prolific texters, sending 1742 messages a month." mr. williams, a high school statistics teacher , was skeptical about the claims in the article. so he col lected data from his first-period statistics class on the number of text messages they had sent in the past 24 hours. here are the data:
Answers
The box-and-whisker plot that correctly summarizes the data is given at the end of the answer.
What does a box-and-whisker plot shows?A box and whisker plot shows five things of a data-set:
The minimum value of the data-set.The 25th percentile, which is the median of the bottom 50% of the data-set.The median, which splits the entire data-set into two halfs, the bottom 50% and the upper 50% of the data-set.The 75th percentile, which is the median of the upper 50% of the data-set.The maximum value of the data-set.The ordered data-set in this problem is as follows:
0, 0, 0, 1, 1, 3, 3, 5, 5, 7, 8, 8, 9, 14, 25, 25, 26, 29, 42, 44, 52, 72, 92, 98, 118.
The data-set has 25 elements, in which:
The minimum element is of 0.The first quartile is the median of the first 12 elements, which is of Q1 = 3.The median is the 13th element, which is of 9.The third quartile is the median of the last 12 elements, which is of Q3 = 3.The maximum element that is not an outlier is of 98.What is the missing information?The data is missing, and is given as follows:
0, 0, 0, 1, 1, 3, 3, 5, 5, 7, 8, 8, 9, 14, 25, 25, 26, 29, 42, 44, 52, 72, 92, 98, 118.
The problem asks for the box plot that represents the situation.
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Which of the quotients are equivalent to 5? Select all that apply.
Answers
Can 4.7cm 10.4cm 13cm form a right triangle
Yes or no
Answers
Answer:
no
Step-by-step explanation:
no
when you add the squares of 4.7 and 10.4 you get 130.25
then take the square root of 130.25
it goes to around 11 which isnt 13
so no
Answer:
No
Step-by-step explanation:
Because 4.7, 10.4, and 13 cm make an obtuse scalene triangle.
What does the constant 0.15 reveal about the rate of change of the quantity?
Answers
The function is decaying exponentially at a rate of 85% every year
Explanation:0.15 is less than 1. This represents decay
Decay rate is 1 - 0.15 = 0.85 = 0.85*100 = 85%
t is given in years
Exponent is t, so it is every year.
The function is decaying exponentially at a rate of 85% every year
Factorise x^2 + 5x + 6
Answers
For the given equation, the values of x are -3 and -2.
What does a math factorization mean?The breaking or decomposition of an entity (such as a number, a matrix, or a polynomial) into a product of another entity, or factors, whose multiplication results in the original number, matrix, etc., is known as factorization or factoring in mathematics.
N = Xa Yb Zc is how the general factorization formula is written. The exponential powers of the factors of a factorized number are shown here by the letters a, b, and c.
Given,
x^2 + 5x + 6
⇒ x^2 + 3x + 2x + 6
⇒ x (x + 3) + 2 (x + 3)
⇒ (x + 3) (x + 2)
⇒ x = -3, x = -2
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f(x)=x²-8x + 15.
Graph
Answers
Answer:
Vertex (4,-1)
Axis Symmetry: x=4
x: 2,3,4,5,6
y: 3,0,-1,0,3
Step-by-step explanation:
The download is the graph
What is the answer to this question
-1=5+x/6
Answers
Answer: x = -24
#middleschool
Please help me!
Find the value of x
Answers
The value of x is 15.
What is Isosceles Triangle Theorem?The isosceles triangle theorem asserts that if two sides of an isosceles triangle are equal, then the angles opposite the equal sides will likewise be equal.
Given:
The given angles are:
∠WYX = (4x - 2)°
∠WXY = 62°
The length of side WX = 8
The length of side WY = 8
So, WX = WY = 8, hence it is an isosceles triangle.
By Isosceles Triangle Theorem,
∠WYX = ∠WXY
(4x - 2)°= 62°
4x = 62° - 2°
x = 60/4
x = 15
Therefore, the value of x is 15.
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EASY + URGENT !! WILL REWARD WITH THANKS + BRAINLIEST
Answers
(a) The area of triangle F is 4 times the area of triangle G.
(b) The area of triangle B is 1/4 times the area of triangle G.
(c) The area of triangle F is 16 times the area of triangle B.
(d) The area of triangle H is 1/9 times the area of triangle F.
(e) The area of triangle H is 4/9 times the area of triangle G.
(f) The area of triangle B is 9/16 times the area of triangle H.
(a) Triangle G and Triangle F
Consider triangle F,
The height of the triangle is 8.
The base of the triangle is 6.
The hypotenuse of the triangle is 10.
Area of ΔF = ( 1/2 ) × b × h = ( 1/2 ) × 6 × 8 = 24 square units.
Consider triangle G,
The height of the triangle is 4.
The base of the triangle is 3.
The hypotenuse of the triangle is 5.
Area of ΔG = ( 1/2 ) × b × h = ( 1/2 ) × 3 × 4 = 6 square units.
Therefore,
Area of ΔF = 4 × Area of ΔG
(b) Triangle G and Triangle B
Consider triangle G,
The area of the triangle is:
Area of ΔG = ( 1/2 ) × b × h = ( 1/2 ) × 3 × 4 = 6 square units.
Consider triangle B,
The height of the triangle is 2.
The base of the triangle is 3/2.
The hypotenuse of the triangle is 5/2.
Area of ΔB = ( 1/2 ) × b × h = ( 1/2 ) × 3/2 × 2 = 3/2 square units.
Now, 4 × 3/2 = 6
Therefore,
Area of ΔG = 4 × Area of ΔB
Area of ΔB = 1/4 × Area of ΔG
(c) Triangle B and Triangle F
Consider triangle B,
Area of ΔB = ( 1/2 ) × b × h = ( 1/2 ) × 3/2 × 2 = 3/2 square units.
Consider triangle F,
Area of ΔF = ( 1/2 ) × b × h = ( 1/2 ) × 6 × 8 = 24 square units.
Now, 16 × 3/2 = 24
Therefore,
Area of ΔF = 16 × Area of ΔB
(d) Triangle F and Triangle H
Consider triangle F,
Area of ΔF = ( 1/2 ) × b × h = ( 1/2 ) × 6 × 8 = 24 square units.
Consider triangle H,
The height of the triangle is 8/3.
The base of the triangle is 2.
The hypotenuse of the triangle is 10/3.
Area of ΔH = ( 1/2 ) × b × h = ( 1/2 ) × 2 × 8/3 = 8/3 square units.
Now, 9 × 8/3 = 24
Therefore,
Area of ΔF = 9 × Area of ΔH
Area of ΔH = 1/9 × Area of ΔF
(e) Triangle G and Triangle H
Consider triangle G,
Area of ΔG = ( 1/2 ) × b × h = ( 1/2 ) × 3 × 4 = 6 square units
Consider triangle H,
Area of ΔH = ( 1/2 ) × b × h = ( 1/2 ) × 2 × 8/3 = 8/3 square units.
Now,
9/4 × 8/3 = 6
Therefore,
Area of ΔG = 9/4 × Area of ΔH
Area of ΔH = 4/9 × Area of ΔG
(f) Triangle H and Triangle B
Consider triangle H,
Area of ΔH = ( 1/2 ) × b × h = ( 1/2 ) × 2 × 8/3 = 8/3 square units
Consider triangle B,
Area of ΔB = ( 1/2 ) × b × h = ( 1/2 ) × 3/2 × 2 = 3/2 square units
Now,
16/9 × 3/2 = 8/3
Therefore,
Area of ΔH = 16/9 × Area of ΔB
Area of ΔB = 9/16 × Area of ΔH
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8-If-5(2x - 5) = 6x + 3, what is the value
of x?
Answers
Answer:
x=7
Step-by-step explanation:
5(2x-5) = 10x-25
1) add 25 to both sides
10x+25=10x 6x+3+25=6x+28
10x=6x+28
2) subtract 6x from both sides
10x-6x=4x 6x+28-6x=28
4x=28
3) divide by 4 from both sides
4x/4=x 28/4=7
x=7
Hope this helps, have a great day!!
The value of y in the expression -5(2x - 5) = 6x + 3 is 22/16
According to the given question
We have an equation in one variable
⇒ -5(2x - 5) = 6x + 3
For finding the value of x solve the above equation by adding and subtracting the like terms.
So, -5(2x - 5) = 6x + 3
⇒ -5 x 2x + 5 x 5 = 6x + 3
⇒ -10x + 25 = 6x + 3
⇒ 25 - 3 = 6x + 10x
⇒ 22 = 16x
⇒ x = 22/16
Hence, the value of y in the expression -5(2x - 5) = 6x + 3 is 22/16
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Simplify the expression:
-2(4 + 3w) =
Submit is it positive or negative
Answers
Answer:
3w + 2
Step-by-step explanation:
Carly is traveling to visit family. She drives x miles on the first day and y miles on the second day for a total of 800 miles.
Answers
The domain and range are [0, 800] and [0, 800], respectively.
Carly is travelling to visit her family.The distance driven by her on the first day is "x" miles.The distance driven by her on the second day is "y" miles.She drives a total distance of 800 miles.The sum of the distances travelled on the two days is equal to 800 miles.x + y = 800y = 800 - xWe need to find the domain and the range.The values satisfied by "x" are in the domain.The values satisfied by "y" are in the range.The value of "x" can be a minimum of zero and a maximum of 800.The value of "y" can be a minimum of zero and a maximum of 800.The domain is [0, 800].The range is [0, 800].Complete question: Carly is traveling to visit family. She drives x miles on the first day and y miles on the second day for a total of 800 miles. What are the domain and range of this relationship?
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The area of the Mojave desert is 25000 square miles.
A scale drawing of the Mojave desert has an area of 10 square inches.
What is the scale of the map?
I need someone to explain me how to get the answer of this problem. Btw I am in seventh grade
Answers
Based on the area of the Mojave desert and the area of the scale drawing, the scale of the map is 1 square inches : 2,500 square miles.
How to find the scale of a map?The scale of a map is used to find out how the distance on the map relates to the distance on the ground. It is usually shown as a ratio.
The fact that the area of the Mojave desert is 25,000 square miles but only 10 square inches on the scale drawing means that every 10 square inches on the map is equal to 25,000 actual square miles.
The scale is:
10 square inches : 25,000 square miles
In its simplest form, this is:
10 / 10 square inches : 25,000 / 10 square miles
1 square inch : 2,500 square miles
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Estimate the sum to the nearest tenth:
(-2.678) + 4.5 + (-0.68)
A. -1.1
B. 1.1
C. 1.9
D. 2.1
What is the actual sum?
A. -3.354
B. -2.502
C. 1.142
D. 6.498
Answers
The nearest tenth is option(B.) and actual sum is option(C.)
Define BODMAS
BODMAS is an acronym to remember the order of mathematical operations – the correct order in which to solve maths problems. Bodmas stands for
B-Brackets,
O-Orders (powers/indices or roots),
D-Division,
M-Multiplication,
A-Addition,
S-Subtraction.
Solve the given expression,
(-2.678) + 4.5 + (-0.68)
Follow the Bodmas rule, to solve the given expression.
First, open the brackets,
-2.678 + 4.5 - 0.68
Now, put together -ve terms
-2.678 - 0.68 + 4.5
Add the -ve terms, we get
-3.358 + 4.5
Now subtract this, we get
1.142 or 1.1 (round to nearest tenth)
Hence, the nearest tenth is option(B.) i.e, 1.1 and actual sum is option(C.) i.e, 1.142
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The diagram shows a right-angled triangle.
x +4
x-2
All the measurements are in centimetres.
The area of the triangle is 27.5 cm²
Work out the length of the shortest side of the triangle.
You must show all your working.
Answers
Shortest side of a triangle is x - 2 = 7 - 2 = 5cm.
Given,
Triangle is a Right - angled triangle
Base of triangle is = x + 4
Height of triangle is = x -2
The area of the triangle is 27.5 cm²
To find the length of the shortest side of the triangle.
Now, According to the question:
We know that
Area of triangle is = 1/2 x base x height
Put the values of base and height in above formula
27.5 = 1/2 × (x + 4) × (x - 2)
27.5 × 2 = x (x - 2) + 4(x -2 )
55 = [tex]x^{2} + 4x - 2x - 8[/tex]
[tex]x^{2}[/tex] + 2x - 63 = 0
[tex]x^{2}[/tex] + 9x - 7x - 63 =0
x (x + 9) -7 (x + 9) =0
x = -9 or x = 7
Hence, Shortest side of a triangle is x - 2 = 7 - 2 = 5cm.
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question 4 (10 points)
Answers
The slope of the table is 3.
In this question, we have been given a table.
We need to find the slope of the table.
For aby two points (x1, y1) and (x2, y2), we use the formula of slope,
m = (y2 - y1) / (x2 - x1)
m1 = (15 - 30) / (-5 - 0)
m1 = (-15) / (-5)
m1 = 3
For a pair of points (-5, 15) and (10, 60)
m2 = (60 - 15) / (10 + 5)
m2 = 45 / 15
m2 = 3
For a pair of points (10, 60) and (5, 45)
m3 = (45 - 60) / (5 - 10)
m3 = -15 / -5
m3 = 3
Therefore, the slope of the table is 3.
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What is the equation of the line that passes through the point (5,5) and has a slope of -3/5?
Answers
Answer:
y = -3/5x + 8
Step-by-step explanation:
Step 1:
Plot your point and then use your slope to find another point on the graph.
Step 2:
Draw a line through the points
Step 3:
Find your y-int
y = mx + b where x and y are variables, m is the slope and b is the y-int
y = -3/5x + 8
Answer:
y= 8 + (-3/5)x is the equation of the line
