10 POINTS PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!
A group of 7th and 8th graders were asked if they like playing tennis. This two-way frequency table shows the proportion of students from each grades that like or do not like playing tennis. Like playing tennis Do not like playing tennis 7th Grade 0.42 0.58 8th Grade 0.47 0.53 Which conclusions can be made from the table? Select each correct answer. For both grades, more students like playing tennis than did not like playing tennis. Among the 7th graders, more students like playing tennis than do not like playing tennis. The 8th graders have a larger percentage of students that do not like playing tennis than do like playing tennis. Compared to the 8th graders, a smaller percentage of the 7th graders like playing tennis.
Answers
then the amount of 7th graders like tennis is .58
and the 8th graders is .47.
Let me know if I'm wrong
Hope it helps
Answer:
The 8th graders have a larger % of students that do not like playing tennis than do like playing tennis
Compared to the 8th graders, a smaller percentage of the 7th graders like playing tennis.
those are the correct answer
Step-by-step explanation:
I did the test proof VVV VVV VVV
Related Questions
Convert 0.656 to a fraction. A. 21⁄32 B. 22⁄30 C. 20⁄33 D. 23⁄12
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What is the surface area of the rectangular prism below?
A. 823 u
B. 740
C. 700
D. 1260
Answers
Answer:
C) 700 unit².
Step-by-step explanation:
Given : A rectangular prism .
To find : What is the surface area of the rectangular prism below.
Solution : We have given that a rectangular prism with
Length = 14 units,
Width = 12 units
Height = 7 units.
Surface area of rectangular prism = [tex]2(length* width\ +\ height*width\ +\ height*length})[/tex].
Plugging the values
Surface area of rectangular prism = 2 ( 14* 12 + 7 *12 + 7 *14)
Surface area of rectangular prism = 2 ( 168 + 84 + 98)
Surface area of rectangular prism = 2 ( 350).
Surface area of rectangular prism = 700 unit².
Therefore, C) 700 unit².
the bakery sold 65 cheesecakes. 3/5 of the cakes were chocolate. how many chocolate cheesecakes did they sell?
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the sears tower of Chicago is 1450 feet high. a model is 24 inches tall. what is the ratio of the height of the model to the height of the actual sears tower?
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Note 1 doesn't always work for numbers given, but is preferred
24:1450 -> 24/1450
Let's do it step by step of easiest factor to find
An obvious one is 2
24/1450 = 12/725
Can't be simplified
Thus the scale is 12:725
But if 1:x is required we divide it out to get
12:725 is about 1:0.0166
Actual number is irrational and goes on forever
Answer number one asap this is not a joke so please not random cmts thx will report if u do!
Answers
.. face area = (50 mm)*(90 mm) = 4500 mm^2
The area of two sides of the bar is
.. side area = (50 mm +90 mm)*(3.5 mm) = 490 mm^2
Together, those areas cover half the bar, so the total paper required is
.. 2*(4500 mm^2 +490 mm^2) = 9980 mm^2 . . . . . . 3rd selection
2. The length of the central rectangle is
.. 8 ft + 6 ft + 10 ft = 24 ft
Its width is 7 ft, so its area is
.. Arect = (7 ft)*(24 ft) = 168 ft^2
Each of the two triangles has a base of 8 ft and a height of 6 ft, so together, they have an area of
.. Atriangles = (8 ft)*(6 ft) = 48 ft^2
Then the total area of the prism is
.. Atotal = Arect +Atriangles
.. = (168 ft^2) +(48 ft^2)
.. = 216 ft^2
Margaret decided to invest $2,000 in a savings account for 18 months at a simple interest rate of 5% how much money will she have earned at the end of 18 months
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Write and graph an equation in two variables that shows the relationship between the time and distance traveled
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Answer:
1=1
Step-by-step explanation:
dfstregwrbfw
if your going 20 miles per hour how long will it take you to reach 100 miles
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20 = 1
*5=*5
100=5 hours
Clearing fractions
SOLVE
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.. 47 ≤ 10x +60
Now, subtract 60 and divide by 10
.. -13 ≤ 10x
.. -1.3 ≤ x
The underlying rock ledge of Canada's horseshoe falls is cut back about 2 feet each year by erosion. Calculate how much the rock ledge will erode over a 7 year period of time
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So the rock edge is cut back 2 feet each year by erosion and we have to figure out how much it will be cut back by 7 years using this knowledge so.
2 feet each year
2 + 2 + 2 + 2 + 2 + 2 + 2
or
7 x 2
=
14 so:
The Rock Ledge will have eroded 14 feet at the end of 7 years
Hope this helps!!! :) ;)
HURRY!!!When are two triangles said to be in perspective?
a.
If the corresponding vertices of two triangles form three lines that intersect in a single point
c.
If the corresponding vertices of four triangles form three lines that intersect in a single point
b.
If the corresponding vertices of three triangles form three lines that intersect in a single point
d.
If the corresponding vertices of two triangles form three lines that intersect in two points.
What is the next number in the following sequence.
0, 1, 1, 2, 3, 5, 8...
a.
9
c.
10
b.
13
d.
11
Answers
Two triangles are said to be in perspective (or as some would call it, homologous) from a point if their corresponding vertices form three lines that intersect in that single point (called a colinear point). Desargues' theorem asserts that if two triangles are in perspective from a point, then they are also perspective from a line (called the perspectrix); for this reason perspective triangles are also calles coplanar triangles.
2. B (13)
The series of numbers shown in the question is known as the Fibonacci Sequence. The next number in the sequence is found by finding the sum of the two numbers that precede it.
1 = 0+1
2 = 1 + 1
3 = 1 + 2
5 = 3 + 2
8 = 5 + 3
Next number is 13 (8 + 5)
Suppose the probability that a randomly selected man, aged 55-59, will die of cancer during the course of the year is StartFraction 300 Over 100 comma 000 EndFraction . How would you find the probability that at least 1 man out of 1,000 of this age will die of cancer during the course of the year?
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The question is an example of binomial distribution.
P(x=r) = nCr* p^r* q^(n-r) ( nCr = n! / ( (n-r)!*r! )
p = probability of die = 300/100000 = .003
P ( at least one man would die) = 1-P(at most one man would die)
= 1 - [ P(X =0) + P(X= 1)
= 1- [ {1000C0(.003)^0 *(.997)^1000} + { 1000C1(.003)^1 *(.997)^999} ]
= .801
what is 16×45÷2
[tex]12 \times 4 + 23 \div 2 + 13 \div 4[/tex]
Answers
720/2
360
12 x 4 + 23 / 2+13 / 4
48 + 23 / 2 + 3.25
48 + 11.5 + 3.25
62.75
Use the Order of Operations to solve. PEMDAS:
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
EQUATION #1:
45 ÷ 2 = 22.5
16 × 22.5 = 360
ANSWER:
360
EQUATION #2:
12 × 4 = 48
23 ÷ 2 = 11.5
13 ÷ 4 = 3.25
Since there's no more division, we'll move onto addition.
48 + 11.5 + 3.25 = 62.75
ANSWER:
62.75
*Write down PEMDAS so you'll remember the order of operations!
How to simplify algebraic expression 8z+4f-6 using z=3 and f=9
Answers
8z+4f-6 Substitute the values of z and f
8(3)+4(9)-6
24+36-6
60-6
54
The result of the simplification of the given algebraic expression is 54.
What is estimate the sum or difference of 1 5/6 + 2 2/11
Answers
Subtract Estimate:0
[tex]3+ \frac{5}{6} + \frac{2}{11} [/tex]
Step 2. Find the Least Common Denominator (LCD) of [tex] \frac{5}{6} [/tex] , [tex] \frac{2}{11} [/tex]
Method 1: By Listing MultiplesList out all multiples of each denominator, and find the first common one.
Multiples of 6 : 6, 12, 18 ... 54, 60, 66, ...
Multiples of 11 : 11, 22, 33, 44, 55, 66, ...
Therefore, the LCD is 66.
Method 2: By Prime FactorsList all prime factors of each denominator, and find the union of these
primes.
Prime Factors of 6: 2,3
Prime Factors of 11: 11
Therefore, the LCD is 2 x 3 x 11 = 66.
LCD = 66
Step 3. Make the denominators the same as the LCD
[tex]3+ \frac{5*11}{6*11} + \frac{2*6}{11*6} [/tex]
Step 4. Simplify. Denominators are now the same
[tex]3+ \frac{55}{66} + \frac{12}{66} [/tex]
Step 5. Join the denominators
[tex]3+ \frac{55+12}{66} [/tex]
Step 6. Simplify
[tex]3+ \frac{67}{66} [/tex]
Step 7. Convert [tex] \frac{67}{66} [/tex] into a mixed fraction
[tex]3+1 \frac{1}{66} [/tex]
Step 8. Simplify
[tex]4 \frac{1}{66} [/tex]
Done! :) Hope This Helps! :) ♥♥♥
Decimal Form If Needed: 4.015152
128 POINTS IF YOU HELP
The Problem: Ms. Chen is planning to take her camp group on a field trip to Pottery Bayou where each person will create her own piece of art pottery
. The regular cost is $20 per person. There is a group special that costs $10 per person with an additional $50 fee for a private room.
Ms. Chen is trying to decide if she should use the regular price or the group special.
A) Write an equation to show the total cost of the regular price with x people. (2 points) B) Write an equation to show the total cost of the group special with x people. (2 points) C) Graph the equations using desmos.
(2 points) • Directions for using the site • Share the link to your graph by copying & pasting it here: D) When would the two admission prices be the same? Explain how you know this using 1-2 complete sentences.
(2 points) E) How much would it cost to bring 6 people on the field trip for the regular price, and how much for the group special? Explain how you know this using 1-2 complete sentences.
(2 points) F) When would it be better to go with the regular price and when would it be better to go with the group special? Explain how you know this using 1-2 complete sentences. (2 points) G) The director of the camp told Ms. Chen that she can have a budget of $150 to bring as many campers as she can.
What deal should Ms. Chen go with and what is the maximum number of people she can bring with $150? Support your answer by showing how many people can go with each deal using 2-3 complete sentences. (3 points)
Answers
Answer: The answer would be y=20x :)
If 3n+m=14 and n+m=1, find the value of n-m.
Answers
We can subtract the two equations.
3n+m=14
n+m=1
3n-n=2n
m-m=0
14-1= 13
We are left with:
2n=13
Divide both sides by 2.
n=6.5
Plug that in to find m.
n+m=1
6.5+m=1
Subtract both sides by 6.5.
m=-5.5
Now, put the values for m and n into the last equation for the value.
n-m
6.5-(-5.5)
Two negatives make a positive.
6.5+5.5= 12
The value is 12.
I hope this helps!
~kaikers
Eighteen more than twice a number is 8.Solve for the variable
Answers
2x+18=8
-18 -18 (subtract 18 from both sides)
2x=-10 (divide by 2)
2 2
x=-5
The answer is -5
Help with 4 and 5 please!!
Answers
The magnitude;
Using Pythagoras theorem,
(-200)² + (-530)² = 320900
Length = √320900
= 566.5 mi
To get the angle
Tan θ = opposite/adjacent
= 200/530
= 0.3774
θ = tan^-1 (0.3774)
= 20.67
≈ 21°
The direction from the Cartesian plane is south of west.
Therefore, the magnitude and the direction will be;
About 566.5 mi, 21° south of west
Question 5.
To get the resultant of two vectors we just add the two vectors given.
This involves adding the corresponding values.
Thus, for <-6,5> and <6,-5>
Resultant vector = <(-6+6),(5+-5>
= <0,0>
a volleyball reaches its maximum height of 13 feet, 3 seconds after its served. Which of the following quadratics could model the height of the vollyball over time after it is served. Select all that apply.
A: f(x)=2x^2+12x+5
B: f(x)=-2x^2+12x-5
C: f(x)=-2x^2-12x+5
D: f(x)=-2(x-3)^2+13
E: f(x)=-2(x+3)^2+13
Answers
We suspect ...
• the "correct" answers are probably B and D
• whoever wrote the problem wasn't paying attention.
Answer:
D.
Step-by-step explanation:
Intuitively it's a volleyball game reaching its maximum height, then we must discard the 1st option because of its parameter a >0, and whenever a>0 the parabola makes a curve, rather different than in a volleyball game.
Also, considering Vertex of this parabola by (-b/2a, -Δ/4a) given the fact that the question says the maximum height.
Taking
y= height in feet
x= time in second
Function Vertex (-b/2a, -Δ/4a)=(-3, -13)
A: f(x)=2x²+12x+5 False
B: f(x)=-2x²+12x-5 Function Vertex (-b/2a, -Δ/4a) = (3,23) False
C: f(x)=-2x²-12x+5 Function Vertex (-b/2a, -Δ/4a) = (-3,23) False
D: f(x)=-2(x-3)²+13 Function Vertex (-b/2a, -Δ/4a) = (3,13) True
E: f(x)=-2(x+3)²+13 Function Vertex (-b/2a, -Δ/4a) =(-3,13) False
Select the two equations that can be used to solve the following inequality
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Tasha claims that her skateboard weighs about 3 pounds. is Tasha's claim reasonable? Explain
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However, the average skateboard is closer to 6 pounds. So, the skateboard in the question is very possible- but it would be really low quality.
However- given that you are in middle school- I would say yes, it is reasonable.
Explain how two angles can be complementary angles.
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What is the answer to this problem
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What are three rational numbers that are between 1/3 and 1/2?
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Use the equation p=8.31/v where p = pressure and V = volume. What happens to the pressure as the volume approaches 0? Explain your reasoning.
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Answer:
1 The pressure approaches infinity.
2 The function is undefined for V = 0.
3 There is an asymptote at V = 0.
The pressure tends to infinity.
Given information,
The equation [tex]p=\frac{8.31}{v}[/tex]
Where p= pressure,
v= volume
If the volume approaches [tex]0[/tex] then the pressure [tex]p=\frac{8.31}{v}[/tex] will reach to infinity.
Therefore, the pressure tends to infinity.
For further details refer to the link:
https://brainly.com/question/356585
Which word best describes the degree of overlap between the two data sets?
A none
B high
C moderate
D low
Answers
Sorry if I'm wrong
I didn't get ur question that much
Answer:
The Answer Is *HIGH*
Step-by-step explanation:
[tex]\beta \alpha \lim_{n \to \infty} a_n[/tex] :)
Will mark brainliest. HELP PLEASE. QUICK
Answers
Which BEST describes the speed and velocity of the graph?
A)
Both speed and velocity are changing.
B)
The speed and velocity remain constant.
C)
The speed is constant and velocity is changing.
D)
The velocity cannot be determined from the graph.
Answers
A - Both speed and velocity are changing.
Step-by-step explanation:Though the answer is option A but option D can also be true. The velocity cannot be completely determined from the graph. This is because, velocity is based on the direction and motion and the graph is not completely justifying this.
Though velocity cannot be determined, but it is clear from the graph that velocity is changing, because the speed is changing.
Therefore, option A is completely true.
A)
According to the graph, speed is increasing. Velocity is speed plus direction, so velocity is also changing. And this is an acceleration graph, so you know since acceleration is a change in velocity, both speed and velocity are changing.
The area of a parallelogram is 375 centimeters the base is 25 centimeters find the height
Answers
By plugging in the information that you have already, we know that: 25*height=375
In other words:
25x=375
x=15
The height is 15cm.
375 divided by 25 equals 15