The most likely correlation coefficient for the set of data shown is: -0.21.
Correlation coefficientWe would be using CORREL in excel to determine the correlation coefficient by inputting the set data below
X Y
A (1,4)
B (2, 1.5)
C (3,3)
D (4,4)
E (5,2)
Hence:
Correlation coefficient=-0.20801
Correlation coefficient=-0.21 (Approximately)
Therefore the most likely correlation coefficient for the set of data shown is: -0.21.
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Answer:
B) -0.21.
Step-by-step explanation:
At a park, the logging trail is a circle with a radius of 200 meters. how far is it around the trail? use 3.14 or pi. show your work
Answer:
400π
Decimal Form:
1256.63706143
Explanation: To find the around the trail, you'll use the circumference formula.
2πr
2 x 3.14 x 200
ethan sorts shapes into two groups as shown what mistakes did ethan make
Ethan's mistakes in sorting the shapes into two groups are:
Shape C does not belong to group 1 because it does not have square cornersShape F does not belong to group 2 because it does not have any square cornersHow to spot the mistakes?From the complete question (see attachment), the shapes are grouped using the following criteria:
All the shapes in group 1 have 4 square cornersAll the shapes in group 2 have exactly 1 square cornerUsing the above rules, Ethan's mistakes are: shapes C and F are placed in the wrong groups
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Mrs.Howard paid 45$ for 3 packs of diapers. Write an equation relatin the cost, c , to the number of packs of diapers, d. The equation should be form of direct variation, and use the ewuation you wrote for this to find out how much mrs..howard would pay for 11 packs of diapers. Please help, worth lots of points,
Answer:
165 is your cost in dollars
Step-by-step explanation:
d = 15c
11 * 15c = 165c
Which of these equations have no solution? check all that apply. 2(x 2) 2 = 2(x 3) 1 2x 3(x 5) = 5(x – 3) 4(x 3) = x 12 4 – (2x 5) = (–4x – 2) 5(x 4) – x = 4(x 5) – 1
Since we cannot determine the unknown variable, hence the equation 5(x + 4) - x = 4(x+5) - 1 has no solution
Equations with no solutionsEquations with no solutions has two of its sides to be equal.
From the given option, we can check he equation
5(x + 4) - x = 4(x+5) - 1
Expand
5x + 20 - x = 4x + 20 -1
4x +20 = 4x + 19
4x - 4x = -1
Since we cannot determine the unknown variable, hence the equation 5(x + 4) - x = 4(x+5) - 1 has no solution
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Darci sets up a room for a banquet.
She has 54 chairs. She places 9 chairs
at each table. How many tables have
9 chairs?
Answer:
6 tables
Step-by-step explanation:
54 chairs divided by 9 chairs = 6 tables have 9 chairs :)
Answer:
Step-by-step explanation:
Given:
There are 54 chairs in total.She places 9 chairs at each table.To find:
Amount of tables that have 9 chairs.Solution:
⇒ 1 : Based on the given conditions, formulate
⇒ 54 ÷ 9
⇒ 2 : Calculate
54
----
9
= 6.75
Round down in this case, so
⇒ Answer: 6.
PLEASE HELP ILL MAKE YOU THE BRAINIEST!! For what value of X must ABCD be a parallelogram?
Answer:
because angle DCA is equal to angle CAB so side DC is parallel to side AB=> DCAB is a parallelogram=> 20x-7=15x+3=>x=2
plssss helppp meeeee
Answer: s = 47°
Step-by-step explanation:
This shape is a hexagon because it has 6 sides.
-> There are 720° total in a hexagon.
Using this information, we will add together all the angles, set it equal to 720°, and solve for x.
(3s - 41)° + (3s - 12)° + (3s - 38)° + (3s)° + (125)° + (3s-19)° = 720°
3s° - 41° + 3s° - 12° + 3s° - 38° + 3s° + 125° + 3s° - 19° = 720°
3s° + 3s° + 3s° + 3s°+ 3s° - 12° - 38° - 41° + 125° - 19° = 720°
15s° + 15° = 720°
15s° = 705°
s = 47°
Nasim is flying a kite, holding his hands a distance of 2.5 feet above the ground and letting all the kite’s string play out. He measures the angle of elevation from his hand to the kite to be 28 degrees. If the string from the kite to his hand is 105 feet long, how many feet is the kite above the ground? Round your answer to the nearest hundredth of a foot if necessary.
The height of Nasim kite above the ground is 51.79 feet
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Let h represent the height from Nasim hand to the kite, hence:
sin(28) = h / 105
h = 49.29
Kite height above the ground = 2.5 + 49.29 = 51.79 feet
The height of Nasim kite above the ground is 51.79 feet
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The tree diagram represents an
experiment consisting of two trials.
Enter the probability to the hundredths place.
Do not round.
The value of the probability P(D) is 0.74
How to estimate the probabilty?Using the tree diagram, the value of P(D) is represented as:
P(D) = P(B and D) + P(A and D)
Using the values on the tree diagram, we have:
P(D) = 0.4 * 0.8 + 0.6 * 0.7
Evaluate
P(D) = 0.74
Hence, the value of the probability P(D) is 0.74
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If as = 24, a, = 40, then find a20
Answer:
[tex]a_{20}[/tex] = 84
Step-by-step explanation:
[tex]a_{n}[/tex] = [tex]a_{1}[/tex] + ( n - 1 )d
~~~~~~~~~~~~~
[tex]a_{5}[/tex] = [tex]a_{1}[/tex] + (5 - 1)d = 24
[tex]a_{9}[/tex] = [tex]a_{1}[/tex] + (9 - 1)d = 40
[tex]a_{1}[/tex] + 4d = 24 ........... (1)
[tex]a_{1}[/tex] + 8d = 40 ........... (2)
(2) - (1)
4d = 16 ⇒ d = 4
[tex]a_{1}[/tex] + 8(4) = 40 ⇒ [tex]a_{1}[/tex] = 8
[tex]a_{20}[/tex] = 8 + ( 20 - 1 ) × 4 = 84
A drama class has a total of 35 students the number of females is 13 less than the number of males. How many males and how many females are in the class
Subtract the difference of girls and boys from total kids:
35 -13 = 22
Divide 22 in half:
22/2 = 11
number of females = 11
Number of males = 11 + 13 = 24
Answer:
24 males, 11 females
Step-by-step explanation:
Solved with equations:
m = males, f = females
The equations:
[tex]m+f=35\\m-f=13[/tex]
Add the two equations:
[tex]2m=48[/tex]
[tex]m=48/2=24[/tex] males
Number of females:
[tex]24+f=35\\f=35-24\\f=11[/tex]
Hope this helps
PLEASE HELP
a41= 5 7 2
f(x) = 10x +3
g(x) = -7x-4
What does (f- g) (x) equal?
To obtain credit, provide your answer with no spaces. Example answer: 42x+9
Answer:
f-g=10x+3-(-7x-4)
=10x+3+7x+4
=17x+7
(f-g)(x)= 17x+7
Answer:
17x + 7
Step-by-step explanation:
Subtracting functions: (f - g)(x) is equivalent to f(x) - g(x)
Given:
f(x) = 10x + 3
g(x) = -7x - 4
Simplify:
(10x + 3) - (-7x - 4)
(10x + 3) - (-7x) + - (- 4)
10x + 3 + 7x + 4
17x + 7
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find the surface area of this cylinder, round to the nearest tenth
I'll give brainliest
Answer:
113.1
A = 2πrh + 2πr² = 2 × π × 3 × 3 + 2 × π × 3² ≈ 113.1
What is the circumference of the circle?
Answer:
[tex]\huge\boxed{\bf\:E) \: \: 31.4 \: \:feet}[/tex]
Step-by-step explanation:
Since the tetherball is in the centre of the circle, any distance from it to the edge of the circle will be its radius. So, radius (r) = 5 ft.
Now, the formula for the cirumference of a circle = 2πr
Circumference of the circle
= 2πr
= 2 × 3.14 × 5 [π = 3.14]
= 31.4 feet (option E)
[tex]\rule{150pt}{2pt}[/tex]
- - - - - - - - - - - - - - - - - - - - - - - - - - -
[tex]\diamond\large\blue\textsf{\textbf{\underline{\underline{Question:-}}}}}\diamond[/tex]
What is the circumference of the circle? (Its radius is 5 ft)
[tex]\diamond\large\textsf{\textbf{\underline{\underline{Answer and how to solve:-}}}}\diamond[/tex]
The distance from the tetherball pole to the edge of the circle is the radius of the circle; we're given that it's 5 feet (ft).
We're asked to find the circumference of the circle, which can be found using the following formula:-
❖ [tex]\sf{C=2\pi r}[/tex]
Where:-
C=circumferenceπ=pi (3.14...)r=radiusSubstitute 5 for r:-
[tex]\sf{C=2\pi (5)}[/tex]
On simplification,
[tex]\sf{C=10\pi}[/tex]
On further simplification,
[tex]\sf{C=31.4\:feet}[/tex]
So we conclude that the right option is:-
[tex]\checkmark\dashrightarrow\bigstar\boxed{\boxed{\bold{Option\:E}}}\bigstar\dashleftarrow\checkmark[/tex]
Good luck.-- - - - - - - - - - - - - - - - - - - - - - -- - - - - - - -
timothy's video game the levels starts with 30 aliens each worth five points Timothy already shot 6 of them how many more points can he get if he shoots the rest on this level?
Answer:
70 points
Step-by-step explanation:
Which number added to -14 will equal 9?
Answer:
23
Add positive 14 and 9 to get 23
14 + 9 = 23
-14 + 23 = 9
Here are some fractions.
3/10 7/20 2/5 1/4
Write these fractions in ascending order.
Answer:
1/4, 3/10, 7/20, 2/5
Step-by-step explanation:
1/4 = 25%
3/10 = 30%
7/20 = 35%
2/5 = 40%
How many different combinations of six people can sit in four chairs?
assume one person sits in each chair.
Answer:
15Step-by-step explanation:
the number of combinations of 4 people we can form from 6 is :
[tex]C^{4}_{6}=\frac{6!}{4!\left( 6-4\right) !} = 15[/tex]
(5, -7) and (6,-4)
What is the slope?
Tony bought a $25 hornets t-shirt and used a coupon for a 25% discount. Keith bought an identical t-shirt at a different store for $19.95. which statement is true?
A.Tony paid $2.55 less than keith paid.
B.Tony paid $1.20 less than keith paid.
C.Keith paid $2.55 less than tony paid.
D.Keith paid $1.20 less than tony paid.
Answer: Tony paid $1.20 less than Keith paid.
Step-by-step explanation: Easy math, try asking your teacher for help. It takes time.
mutiply (x-3)(4x+2) using the foul method
Answer: [tex]4x^2-10x-6[/tex]
Step-by-step explanation:
[tex](x-3)(4x+2)[/tex]
[tex]Expand[/tex] [tex]the[/tex] [tex]polynomial[/tex] [tex]using[/tex] [tex]the[/tex] [tex]FOIL[/tex] [tex]method[/tex].
Therefore your answer is [tex]4x^2-10x-6[/tex]
Answer:
4x^2 -10x + 6
Step-by-step explanation:
multiply (x-3)(4x+2) using the foil method
(x*4x)+(x*2)+(-3*4x)+(3*2)= 4x^2+2x-12x+6 = 4x^2 -10x + 6
On a map one inch is equal to 125 miles. There are six inches between Happyville and Glumtown. How many miles are between the two towns?
(I will make brainliest)
Step-by-step explanation:
6x125=750 hope this helps
Amala listed her assets and liabilities. credit card balance car (paid in full) jewelry student loan savings account stocks $850 $2,200 $125 $2,500 $1,200 $1,500 what is the total of amala’s liabilities? $850 $2,500 $3,350 $5,550
The total of amala’s liabilities will be $5,500.
What is liabilities income?Passive income is the amount you receive that comes from the remuneration of your investments in financial market products. That is, it is generated regardless of your effort.
In this case, the total will be:
Total amount of Amala’s liabilities = Credit card balance + car + student loan
So, we have:
[tex]850 + 2200 + 2500 = $5500[/tex]
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Answer:
$3,350
Step-by-step explanation:
This is because her car is paid in full it is no longer a liability it is an asset making the person above incorrect. The credit card balance + the student loans = 3,350
please help ILL GIVE BRAINLIESST I NEED TWO PPL TO ANWSER SO I CAN GIVE IT !! EXPLANATION PLEASE
Answer:
∠ECB
Step-by-step explanation:
The angle which is vertical to ∠HCI is ∠ECB.
A vertical angle has the equal angle measure to the angle opposing it.
Hence, our answer is understood.
Mrs. Clements has a table with a top that is shaped like the trapezoid shown. Find the area of the table top in square feet? hurry plss
It is to be noted that the area of the Trapezoid is: 28 Feet. See the details of the solution below.
What is the formula for the area of a Trapezoid?The formula for the area of a regular Trapezoid is:
A = h * ((a+b)/2);
Where
A = Area
a = Short Base
b = Long Base
h = Height
So what is the solution for the above trapezoid?Following the above formula,
A = 4 * ((5+9)/2)
A = 4 * (14/2)
A = 4 * 7
A = 28 Feet.
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I’ll give brainliest!
Step-by-step explanation:
Line L passes through point (0,2) and (4,0)
If you want to find the gradient of Line L, you can use this formula :
[tex]m = \frac{y_2 - y_1}{x_2 - x_1} [/tex]
[tex]m = \frac{0 - 2}{4 - 0} [/tex]
[tex]m = \frac{ - 2}{4} [/tex]
[tex]m = - \frac{1}{2} [/tex]
A landscape design company is building a large gazebo for a backyard. It is in the shape of the
regular polygon shown below, where the measurements are in feet. They need to purchase wood
for the floor. It costs $10 per square foot for the special wood the homeowner wants. Find the cost
of the gazebo's flooring. Recall A = ap for the area of a regular polygon:
The area of the heptagon will be 533.61 square feet. Then the cost of the gazebo's flooring will be $ 5336.1.
What is a polygon?The polygon is a 2D geometry that has a finite number of sides. And all the sides of the polygon are straight lines connected to each other side by side.
A landscape design company is building a large gazebo for a backyard. It is in the shape of the regular polygon shown below, where the measurements are in feet.
A heptagon is given with an apothem of 12.6 ft and a side length of 12.1 ft.
Then the area of the heptagon is given as
Area of heptagon = 7 x area of a triangle
Area of heptagon = 7 x 0.5 x 12.1 x 12.6
Area of heptagon = 533.61 square ft
If the costs $10 per square foot for the special wood the homeowner wants.
Then we have
Total cost = 10 x 533.61
Total cost = $ 5336.1
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Please help asap a spinner with 4 sections is spun 30 times. based on these results, what is the experimental probability that the next time the spinner is spun, it lands on yellow?
a. 4/15
b. 1/5
c. 7/30
d. 3/10
The experimental probability that the next time the spinner is spun, it lands on yellow is 4/15
How to determine the experimental probability?From the table of values, we have:
Yellow = 8
Total = 30
The experimental probability is then calculated using:
P(Yellow) = Yellow/Total
This gives
P(Yellow) = 8/30
Simplify
P(Yellow) = 4/15
Hence, the experimental probability is 4/15
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Which expression shows the factors of 9x2 3x − 2? a. (3x − 1)(3x − 2) b. (3x 1)(3x − 2) c. (3x 2)(3x − 1) d. (9x − 2)(x 1)
The complete factor of the expression 9x² + 3x - 2 is (3x - 1)(3x + 2)
How to determine the complete factorization?The expression is given as:
9x² + 3x - 2
Expand the equation
9x² + 3x - 2 = 9x² + 6x - 3x - 2
Factorize the expression
9x² + 3x - 2 = 3x(3x + 2) - 1(3x + 2)
Factor out 3x + 2
9x² + 3x - 2 = (3x - 1)(3x + 2)
Hence, the complete factor of the expression 9x² + 3x - 2 is (3x - 1)(3x + 2)
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Answer:
Factor by grouping.
(3x−1)(3x+2)
Step-by-step explanation: