Answer:
For this case since the p value is higher than the significance level we can FAIL to reject the null hypothesis and we can conclude that the true means are NOT significantly different at 10% of significance.
Step-by-step explanation:
Information provided
represent the mean for sample 1
represent the mean for sample 2
represent the sample standard deviation for 1
represent the sample standard deviation for 2
sample size for the group 2
sample size for the group 2
Significance level provided
t would represent the statistic
Hypothesis to test
We want to verify if the true means for this case are significantly different, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
The statistic is given by:
(1)
And the degrees of freedom are given by
Replacing the info given we got:
The degreess of freedom are given by:
Now we can calculate the p value with the following probability:
For this case since the p value is higher than the significance level we can FAIL to reject the null hypothesis and we can conclude that the true means are NOT significantly different at 10% of significance.
Step-by-step explanation:
Choose the figure that is congruent to the shape labeled with an asterisk (*).
Figure a.
Figure d.
Figure b.
Figure c.
Answer:
figure d is congruent to the figure given above.
The figure that is congruent to the shape labeled with an asterisk (*) will be figure 'd'. Then the correct option is B.
What is a transformation of a shape?Picture, after translation, refers to the object's ultimate organization and placement. From just before the refers to the material's initial condition.
Rotation does not change the shape and size of the geometry. But changes the orientation of the geometry.
The figure is the semicircle is rotated, then the orientation of the semicircle is just changed.
Then the figure that is congruent to the shape labeled with an asterisk (*) will be figure 'd'. Then the correct option is B.
More about the transformation of the shape link is given below.
https://brainly.com/question/27224339
#SPJ2
tina bought a notebook for $6.59 a backpack for 24.95 and a pen for $4.98
Answer: 36.52 dollars she spent
Plz help me 2x+y=4 4x+2y=8
Answer: Y= 2 X=1
Step-by-step explanation:
2x+y=4 4x+2y=8
2x =/2 2y= /2
y=2 4x=4
/4= /4
X= 1
Sphere A has a radius of 24 centimeters, and sphere B has a diameter of 42 centimeters. The radius of sphere A is
multiplied by what factor to produce the radius of sphere B?
c
+ N100 N
AN
Mark this and return
Save and Exit
Answer:
multiply by a factor of 7/8
Step-by-step explanation:
sphere A radius is 24 and Sphere B radius is 21
24x=21
x = 7/8
Answer:
multiply by a factor of 7/8
what's four to the six power times four to the seventh power
Answer:
67,108,864 or 4^13
Step-by-step explanation:
4^6*4^7=4^13 you basically just add the exponents since the base is the same.
Since these two powers have the same base of 4, you can multiply
them together by simply adding their exponents to get 4¹³.
This idea is called the product rule.
A common mistake in this problem would be to multiply
the bases together and give an answer of 16¹³.
It's important to understand however that the 4's in this problem can't
be multiplied together because they're not coefficients, they're bases.
When applying your exponent rules, your base will never change.
What is the answer of 4(b+3) when b is 6?
Answer:
36
Step-by-step explanation:
Well first if b is 6 we plug that into the following.
4(b+3)
To,
4(6+3)
6+3 is 9 and 9*4 is 36.
Answer:
36
Step-by-step explanation:
4(6+3)
4(9)
36
The following table shows a proportional relationship between M and N.
Answer:
7m = n
Step-by-step explanation:
3 x 7 = 21
5 x 7 = 35
8 x 7 = 56
Golden Corral charges $11 for a buffet plus $1 for each drink. Western Sizzlin charges $9 for a buffet plus $2 for each drink. Which restaurant has the best dea 1. Write 2 equations to represent the 2 restaurants. Predict if these equations will be linear of nonlinear (how do you know?). If they are linear will the lines point upward or downward (how do you know?). And this one too Graph the system of equations. (Show your x/y tables) **Use a ruler or your answer will not come out correctly** or Slope- intercept simulation copy and paste And this one too What is the point of intersection on your graph? What does this mean? And this one tooo Which restaurant would you go to? Why?
Answer:
(golden corral) 11 + 1x = y. Western Sizzlin 9 +2x= y. These equations will be linear because these equations have the structure of y=mx+b, also when these equations are plotted on the graph they point upward. (I can't show a table, but I provided a pic of the graph so u can plot the points). The point of intersection is 2,13. The point of intersection means when the prices for both restaurants are equal to each other I would go to golden corral because if I have a lot of drinks it would be cheaper in the long run.
Step-by-step explanation:
Use desmos for problems like this it will save your life.
Find the odds for and the odds against the event rolling a fair die and getting a 4, a 2, or a 1.
Answer: Both in favor and against: 3/6 OR 1/2 OR 50%.
Step-by-step explanation: Both in favor and against: 3/6 OR 1/2 OR 50%.
The probability of rolling one die and getting any digit is [tex]\frac{1}{6}[/tex]. That is because the desired outcome is only 1 digit out of the 6 total digits on each of the six sides.
That means the probability of rolling either a 1, a 2, or a 4 if you are looking for any of those numbers specifically, is [tex]\frac{1}{6}[/tex]. But! You are looking to roll a 1, a 2, or a 4, without any preference among those three. Therefore, you are going to add the desired outcomes.
[tex]\frac{1}{6} + \frac{1}{6} + \frac{1}{6} = \frac{3}{6} = \frac{1}{2}[/tex] = 0.5 = 50%
Above, are added the probability of rolling a 1 PLUS the probability of rolling a 2 PLUS the probability of rolling a 4, yielding a 50% probability.
Think about it. There are six total digits on a die. You are okay with rolling three of those. Three is half of six. Therefore, the probability of rolling the number you'd like is one-half, fifty-percent.
Likewise, since the probability of all complement events happening is 1 (or 100%), The odds against rolling either 1, 2, or 4 is also fifty-percent. 100% (which is rolling any number on a die) MINUS 50% (which is rolling a 1, a 2, or a 4 with no preference) EQUALS TO 50% (which is rolling a 3, a 5, or a 6).
Which statement could be an interpretation of the graph’s x-intercept or y-intercept? On a coordinate plane, a line goes through points (0, 4) and (8, 0). Tabitha took 6 hours to drive to her friend’s house. Matthew used 12 gallons of gas in all. Rosa will pay off her loan in the eighth month. Eight members of Hoi's family were each charged $4 to go to a movie.
Answer:
Eight members of Hoi's family were each charged $4 to go to a movie.
Step-by-step explanation:
Answer:
d
Step-by-step explanation:
Given the figure below, find the values of x and z.
Answer:
z = 96; x = 8.
Step-by-step explanation:
z = 96. This is because the angle measuring z degrees is a vertical angle of the angle measuring 96 degrees, which means that the two angles are congruent.
The angle measuring 5x + 44 degrees forms a straight angle with the 96 degree angle. That means that the measurements of the two angles will add to be 180 degrees.
5x + 44 + 96 = 180
5x + 140 = 180
5x = 40
x = 8
Hope this helps!
Triangle ABC is described below. Find all possible values for B, C, and c.
A= 121.59, a = 27.9 cm, b = 52.6 cm
Apply the rules regarding the use of significant digits to each angle and
length after all computations are complete.
Answer:
c = 27.9
B = 62.13°
C = 89.90°
Step-by-step explanation:
We are given the following values:
A= 121.59°, a = 27.9 cm, b = 52.6 cm
a) Finding side c
We would use Pythagoras Theorem
c² = a² + b²
c = √(a² + b²)
c = √(27.9² + 52.6²)
c = 59.54cm
≈ Approximately = 59.5cm
b) Finding B
We would be using Cosine rule to find Angle B
Cos B = a² + b² - c²/2ab
B = arc cos ( a² + c² - b²/2ac)
B = arc cos( 27.9² + 59.5² - 52.6²/ 2 × 27.9 × 59.5)
B = 62.13268°
B = 62.13°
c) Finding C
We would be using Cosine rule to find Angle C
Cos C = a² + b² - c²/2ab
C = arc cos ( a² + b² - c²/2ab)
C = arc cos( 27.9² + 52.6² - 59.5²/ 2 × 27.9 × 52.6)
C = 89.9°
⚠️PLEASE ANSWER!⚠️
Which equation can be used to solve for b?
Answer:
b = (8)tan(30)
Step-by-step explanation:
Use mnuemonic device SOHCAHTOA
One side of a rectangle is X+7 units long, and the other side is X+3 units long. Express the area of the rectangle as a polynomial. If the value of X is 10, what is the value of the Polynomial?
Answer:
area as a polynomial: x^2 + 10x +21
If the value is 10: 221 units square
Step-by-step explanation:
to solve for the polynomial just do (x+7)(x+3) use the box method if your unfamiliar with this
to solve for the value just plug it in the polynomial you got from the previous answer
hope this helps
Which statement is true about the equation 4.5z = 4.5z – 4.25 + 6.25? (1 point) It has no solution. It has one solution. It has two solutions. It has infinitely many solutions.
Answer:
nun
Step-by-step explanation:
If the rectangle below has an area of 32 sq. units, what is the area of the triangle?
Answer:
B. 16 sq. units
Step-by-step explanation:
If you divide the rectangle, you will get 2 triangles. Therefore you will divide your answer from the rectangle by two.
Step-by-step explanation:
here, on this as the measure of triangle is alredy given separately we don'tneed its area. We just can use formula of area of triangle and simpfy it to get answer.
the measures of perpendicular (p)= 8
and base (b)=4
now, area of triangle (a)=1/2×b×p
or, a = 1/2 ×4×8
by simplifying it we get 16 sq.units.
hope it helps...
help me plz i want help
Answer:
the one on the upper left with the triangular form
Step-by-step explanation:
all the others only represent one of the possibilities
What value, written as a decimal, should Lena use as the common ratio? Lena is asked to write an explicit formula for the graphed geometric sequence. On a coordinate plane, 3 points are plotted. The points are (1, 1), (2, 2.5), (3, 6.25).
Answer:
a(n) = 1(2.5)^(n - 1)
Step-by-step explanation:
The geometric sequence is 1, 2.5, 6.25, 15.625, and so on; the first term is 1. The common ratio is 2.5; each new term is 2.5 times the previous term.
The explicit formula desired is thus a(n) = 1(2.5)^(n - 1)
Answer:
ITS CCCCCCC (2.5)
What is the midpoint of the segment below?
(3,5)
(-6,-6)
A. (-1.5, -0.5)
B. (0,0)
C. (1.5, 0.5)
D. (0.5, -0.5)
Answer:
The answer is option A.
( - 1.5 , - 0.5)Step-by-step explanation:
Midpoint of a line is given by
[tex] (\frac{x1 + x2}{2} , \: \frac{y1 + y2}{2} )[/tex]
Where ( x1 , y1 ) and ( x2 , y2) are the points
Midpoint of (3 , 5) and ( - 6 , - 6) is
[tex]( \frac{3 - 6}{2} , \: \frac{5 - 6}{2} )= ( - \frac{3}{2} , \: - \frac{1}{2} )[/tex]
We have the final answer as
( - 1.5 , - 0.5)
Hope this helps you.
Answer:
A. (-1.5, -0.5)Step-by-step explanation:
[tex](3,5), (-6,-6)\\Midpoint = [\frac{x_1+x_2}{2},\frac{y_1+y_2}{2} ]\\x_1 = 3\\y_1=5\\x_2 =-6\\y_2 = -6\\\\Midpoint = [\frac{3+(-6)}{2} , \frac{5+(-6)}{2} ]\\Midpoint = [ \frac{3-6}{2} , \frac{5-6}{2} ]\\\\Midpoint = [-\frac{3}{2} ,-1/2]\\\\Midpoint = [ -1.5 , -0.5][/tex]
The equations in this sytem were added to solve for x. What is the value of x? Negative 8 x + 8 y = 8. 3 x minus 8 y = negative 18. Negative 5 x = negative 10. x = negative 2 x = negative one-half x = one-half x = 2
Answer:
change your cringe username please lol
Step-by-step explanation:
jk heres the answer D, x = 2
The Value of x would be as follows:
2
Find the value of xGiven that,
Important Equations:
[tex]-8x + 8y = 8[/tex]
(i) [tex]3x - 8y = -18[/tex]
(ii) [tex]-5x - 0 = - 10[/tex]
(iii) Solving equation
By equation
(iii) [tex]x = -10 / -5[/tex]
∵ [tex]x = 2[/tex]
Thus, [tex]2[/tex] is the value of x.
Learn more about "equation solving," refer
brainly.com/question/112509
nth term of this sequence please 18, 16, 14, 12
Answer:
[tex]\boxed{\sf -2n+20}[/tex]
Step-by-step explanation:
Let’s find the common difference.
The common difference can be found by subtracting a term in the sequence with the previous term.
[tex]\sf d=16-18\\d=-2[/tex]
Apply formula for the [tex]\sf n^{th}[/tex] term of an arithmetic sequence.
[tex]\sf a_n=a_1+dn-d[/tex]
[tex]\sf a_1[/tex] is the first term of the sequence.
[tex]\sf d[/tex] is the common difference.
[tex]\sf a_n=18+-2n-(-2)[/tex]
[tex]\sf a_n=18+-2n+2[/tex]
[tex]\sf a_n=-2n+20[/tex]
I've already done the first part of the question but i have to write it so others can be able to answer my second. i'd be grateful if anyone could give a quick response! Given that €1 = £0.75 a. How much is €530 in £? b. What is the £ to € exchange rate? Hint: It can be helpful to think of it like this: if €1 = £0.75, then €100 = £75 Now work out what £1 is worth.
Answer:
£398
Step-by-step explanation:
€530 = £0.75
530 x 0.75 = £397.50
You round this of to the nearest whole number:
£398
help pls. Find the period of the graph shown below.
Answer:
Option A. π
Step-by-step explanation:
The period of a simple harmonic motion is the time taken to make one complete circle or oscillation.
Considering the graph given above, we can see that at the completion of one circle, the angle θ, has value as pi (π).
This value is equivalent to the period of the graph.
Therefore, the period of the graph shown above is π.
Identify the underlined place value.
Glven: 775
The underlined value represents
lao
Answer:
[see below]
Step-by-step explanation:
There is no underlined numbers. I will do all of them.
In the number '775':
The first 7 is in the hundreds place. It represents the value of '700'. (775)The second 7 is in the tens place. It represents the value of '70'. (775)5 is in the ones place. It represents the value of '5'. (775)If you add all the values together, you get '775'.700 + 70 + 5 = 775
Brainilest Appreciated.
help i want help plz help me
Answer:
SA = 384 in ^2
Step-by-step explanation:
The surface area of a cube is given by
SA = 6 S ^2 where s is the side length
SA = 6 * (8) ^2
SA = 6 * 64
SA = 384 in ^2
Answer:
384 in^3
Step-by-step explanation:
To find the surface area of a cube, you have to multiply 6(the number of sides on a cube) by *(8)^2. When you plug it in, you get 384 in^3.
A square is shown below. Which expression can be used to find the area, in square units, of the shaded triangle in the square? Fraction 1 over 4 • 6•6 Fraction 1 over 2 •3•3
Fraction 1 over 4 •3•3
Fraction 1 over 2 •6•6
Answer:
Area = [tex]\frac{1}{2} (6)(6)[/tex]
Step-by-step explanation:
Area of Triangle = [tex]\frac{1}{2} (Base)(Height)[/tex]
Where Base = 6 , Height = 6
Area = [tex]\frac{1}{2} (6)(6)[/tex]
Area = 3 * 6
Area = 18 units^2
Answer:
Hey there!
The area of the shaded triangle covers exactly half the square.
Thus, first we find the area of the square, which is 6x6, or 36.
Finally, half of that is 1/4 times 6x6.(Fraction 1 over 2 •6•6 is correct)
Let me know if you need more help :)
Please help with the questions on the picture, it's very urgent......Thank you✨
Answer:
2. sinθ= cos 35°
sinθ= sin(90°-35)
θ= 55°
3. cos4θ= sin5θ
cos 4θ= cos (90-5θ)
4θ=90°-5θ
collect like terms
4θ+5θ=90°
9θ=90° (divide both sides by 9)
therefore θ=10°
(1 mark)
13.
The time to finish a certain work decreases as the number of worker increases
in number. What kind of proportion is illustrated in the situation?
Answer:
Inverse proportion
Step-by-step explanation:
Inverse proportion: in this type of relation, two quantities proportion such that one decreases and other increases or vice-versa.
So, in the given question when the number of workers increases, time is taken for certain work decreases.
So, Inverse proportion is the correct answer.
Of 28 students taking at least one subject, the number taking Math and English but not History equals the number taking Math but not History or English. No student takes English only or History only, and six students take Math and History but not English. The number taking English and History but not Math is 5 times the number taking all three subjects. If the number taking all three subjects is even and non-zero, the number taking English and Math but not History is
Answer:
The answer is 5 students taking English and Math but not History
Step-by-step explanation:
The total students are 28 which are divided into 5 possible groups with no students taking either English only or History only:
Taking Math only Taking English and Math but not HistoryTaking Math and History but not EnglishTaking English and History but not MathTaking triple subjectsThe number of students in group 3 is 6. Hence, the total number in group 1, 2, 4 and 5 is: 28 - 6 = 22
Also, the number of students in group 4 is five times the number in group 5, therefore: group 2 + group 5 = 6 times group 5
Additionally, the number of students in group 1 equals that in group 2.
Hence, the equation is: 6 x group 5 + 2 x group 2 = 22 => group 2 = 11 - 3 x group 5 => group 2 = 5 because group 5 is an even number and non-zero, it must be 2.
Find the area under the standard normal curve to the left of z = 1.5
Answer:
0.9332
Step-by-step explanation:
Answer:
The answer is 0.9332 .