Answer:
c but you have it so thanks
Step-by-step explanation:
Answer:
The Answer is C) 18.5
Step-by-step explanation:
All of the following are equivalent except _____.
7.5:4.5
5 is to 3
15/5
45/27
Answer:
15/5
Step-by-step explanation:
because 7.5 ÷ 4.5 = 1.66667
5 ÷ 3 = 1.66667
and 45 ÷ 27 = 1.66667
but 15 ÷ 5 = 3 therefore it's the off one out.
For the following scenarios, determine whether or not they represent paired samples.
a. Test scores for students in a biology class taught by Professor Quick are being compared to test scores in a different section of the biology class taught by Professor Quack
b. Pulse rates for students at the beginning of class are being compared to pulse rates for the same students at the end of class.
c. The weights of 10-year-olds in 2009 are being compared to the weights of 10- year-olds in 1994.
Answer:
A = Not a paired sample
B = paired sample
C = Not a paired sample
Step-by-step explanation:
Paired samples also commonly referred to as dependent samples are often characterized by having to different data points which are taken at different times, location and so on. Such that each pair of data points or observation can be matched based on the basis of the subject or sample name usually for the sake of analysing if any statistical difference exists between the occurrence of each observation.
For the instances given above ;
a.) this isn't a paired sample, because Professor Quick and Professor Quacks students are different, hence each student has only one reading and as such a match of the two test scores cannot be made on the basis of student name or identity. Hence, it is not a paired sample
B.) This is a paired sample, two different readings are available for each students ; one at the beginning, the other at the end. Hence, it is a paired sample
C.) This is not a paired sample, because the subjects used to obtain the weight of 10 year old in 1994 aren't the same samples used in 2009
Evaluate the expression for x = 4.
10 + 2x - 3
O A. 15
B. 45
C. 36
D. 12
Answer:
The answer to this equation is A.
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(12x+5)°=(17x-5)°
Find x=?
Step-by-step explanation:
(12x+5)=(17x-5)
5+5=17x-12x10=5xx=10/3x=2stay safe healthy and happy.Is anyone good at geometry if so can someone help me please ?
NO LINKS PLEASE
A. 13.3
B. 11.4
C. 11.3
D. 11.7
Answer: 11.7
Step-by-step explanation: b=2(A/h)=2(49.1/8.4)=11.69
in a certain lake 30% of the fish are thrown back because they are too small. Consider catching 20 fish from the lake. Assume that the fish you caught can be considered a random sample from the very large number of fish in the lake. does this represent a binomial setting
Answer:
Binomial probability distribution concept & application, example
Step-by-step explanation:
Yes, this represents a binomial setting. As, it is used for finding probability of - particular number of success outcomes , from repetitive or multiple events.
Here
Success {Event P} ie small fish, with prob = 30% = 0.3 .Failure {Event Q} ie large fish, with prob = 70% = 0.7Number of trials = 20. Let r be number of small fishes out of 20 fishes.Binomial probability = N c r . (P)^r . (Q)^ (n-r)
Ex : P( 5 small fish out of 20) = 20c5 (0.30)^5 (0.70)^15
help me so i don’t have to do summer school
Answer:
Graph?
Step-by-step explanation:
A cyclist travels 4.9 km in 30 minutes.
What is his average speed in km/h?
Answer:
9.8 km/h
Step-by-step explanation:
Since there are 60 minutes in an hour, we can find his speed in km/h by multiplying 4.9 by 2.
4.9(2)
= 9.8
This means that he will travel 9.8 km in 60 minutes (1 hour).
So, his average speed is 9.8 km/h
Determine the equation of the circle graphed below.
Answer:
(x + 3)² + (y + 6)² = 2²
Step-by-step explanation:
General form
(x - h)² + (y - k)² = r²
(h, k) is the center = (-3, -6)
r is the rradius = 2
-----------------------
(x + 3)² + (y + 6)² = 2²
AB has points A at (2,−5) and B at (5,−3).
AB iis reflected across the y-axis and then translated 3 units right. What are the coordinates of the endpoints of the image A′B'?
9514 1404 393
Answer:
A'(1, -5)B'(-2, -3)Step-by-step explanation:
Reflection over the y-axis and translation 3 right is modeled by the transformation ...
(x, y) ⇒ (-x +3, y)
Then the image end points are ...
A(2, -5) ⇒ A'(-2+3, -5) = A'(1, -5)
B(5, -3) ⇒ B'(-5+3, -3) = B'(-2, -3)
_____
In the attached figure, the reflection is shown as A'B' in light purple. The line after the final translation is shown as A"B" in blue.
15,000 blue trout were released into the Meherrin River for a scientific study. The function, f(x) = 15,000 (9/8)^x represents the number of blue trout after x years. In 5 years, what will happen to the population?
represents the number of blue
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Answer:
(1, -2) is the coordinate of B' after a rotation of 90 degrees
Plz help me well mark brainliest if correct.....???
Answer:
A) 18 students
Step-by-step explanation:
I do need to know NOTHING.
Answer:
Thats cool man.
Step-by-step explanation:
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In a fishing contest, the length of the fish caught ranged from 11.5 inches to 23 inches with a mean length of 16.40 inches and standard deviation of 4.71 inches. Assume there was a normal distribution. What percent of the fish caught would have a length greater than 21.11 inches, one standard deviation above the mean?
Answer:
15 percent
Step-by-step explanation:
Based on the length of the fish and the standard deviation above the mean, the percentage of fish that will have a length of more than 21.11 inches is 15.9%.
What percentage of fish will be longer than 21.11 inches?Using the z table, we find that the z score probability for a length less than 21.11 inches when there is one standard deviation above the mean is 0.841.
The percentage of fish that are greater than 21.11 inches will therefore be:
= 1 - probability that fish is shorter than 21.11 inches
= 1 - 0.841
= 0.159
= 15.9%
Find out more on standard deviation at https://brainly.com/question/13155674.
Find the distance between A (-1, 9) and B (-4, 1). Leave your answer in exact radical form.
The distance between two points is given by the expression,
[tex]d = \sqrt{ {(y2 - y1)}^{2} + {(x2 - x1)}^{2} } [/tex]
Plugging in our values,
[tex]d \: = \sqrt{ {(1 - 9)}^{2} + {( - 4 - - 1)}^{2} } \\ d \: = \sqrt{ {( - 8)}^{2} + {( - 3)}^{2} } \\ d \: = \sqrt{64 + 9} \\ d = \sqrt{73} [/tex]
So, the distance between the points in it's exact radical form is
[tex] \sqrt{73} \: units[/tex]
Select ALL the sets of three side lengths that will make a triangle.
3, 4, 8
7, 6, 12
5, 11, 13
4, 6, 12
4, 6, 10
Answer:
7 + 6
5 + 11
Step-by-step explanation:
the lengths of the two shorter sides of a triangle must add up to more than the length of the third side.
3 + 4 = 7 ≤ 8 no
7 + 6 = 13 > 12 yes
5 + 11 = 16 > 13 yes
4 + 6 = 10 ≤ 12 no
4 + 6 = 10 ≤ 10 no
===================================================
Explanation:
We'll use the triangle inequality theorem. Recall that this theorem says that a triangle is only possible if and only if adding any two sides leads to a sum larger than the third side.
Let's say we had a triangle with sides a,b,c. Such a triangle is only possible if all three conditions hold true
a+b > cb+c > aa+c > b----------------
Let's go through each answer choice to see if those conditions hold up.
Choice A. We have a = 3, b = 4, c = 8. Note that a+b = 3+4 = 7 which is not greater than c = 8. Therefore a+b > c is false, and we cannot make a triangle here. We don't need to check the other inequalities. I recommend you trying it out by cutting out slips of paper of these lengths. You'll find a triangle cannot be constructed. We can rule out choice A.Choice B. We have a = 7, b = 6 and c = 12. We can see that a+b = 7+6 = 13 which is larger than c = 12. So far, so good. Then note that b+c = 6+12 = 18 which is larger than a = 7. Finally, a+c = 7+12 = 19 which is larger than b = 6. Picking any two sides, adding them up, leads to a sum larger than the third side. A triangle is possible in this case. Choice B is one of the answers.Choice C. This time a = 5, b = 11, c = 13. You should find that a triangle is possible following the same steps as done in choice B above. Adding any two sides leads to a sum larger than the third side. Choice C is one of the answers. Choice D. Now we have a = 4, b = 6, c = 12. Then note a+b = 4+6 = 10 which is too small compared to c = 12. Meaning a+b > c is false. A triangle isn't possible. Cross choice D off the list.Choice E. In this case, a = 4, b = 6 and c = 10. Adding the first two values gets us a+b = 4+6 = 10 which is not larger than c = 10. If you used slips of paper, you'd find that a straight line is formed rather than a triangle. Cross choice E off the list.To wrap things up, only choice B and choice C are possible triangles because adding any two sides leads to a sum larger than the third side.
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Cindy plans to make a jewelry box shaped like a rectangular prism. She wants it to have a volume of 96 cubic inches.
Answer:
1: by using this equation x*y=96, or just list out 96's factors
2: 3 by 32
3: no, unless you want to use decimals.
4: finding the surface area
2.247 divided into 7 equals what
Give the decimal of 15/10
Answer:
1.5
Step-by-step explanation:
Answer:
1.5
Step-by-step explanation:
15 divided by 10 equals 1.5
Choose an expression that equals 56.
**Option 1**
22x14
**Option 2**
23x6
**Option 3**
25-22
**Option 4**
26-7
Answer:
Option 1 - 56
Step-by-step explanation:
Rise 2 to the power of 2
4*14 = 56
what is the volume of the rectangular prism
Answer:
1 1/9
I THINK
HOPE IT HELPED
Answer:
30
Step-by-step explanation:
Volume=whl=2·5·3=30
which of the following functions has a vertex of (-4,3) and a line symmetry of x= -4?
a) f (x) = 2( x + 4)² -3
b) f (x) = 2( x - 4)² +4
c) f (x) = 2( x + 4)² +3
d) f (x) = 2( x - 3)² +4
e) f (x) = 2( x - 4)² +3
Answer:
answer: d
Step-by-step explanation:
The Unit Circle
What is sin 90°?
a. 0
b. 1
c. -1
d. 1/2
Please select the best answer from the choices provided
Answer:
B. 1
Step-by-step explanation:
I calculated logically
mike has a PH of 6.7
Answer:
Mike is slightly acidic
Step-by-step explanation:
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Which statement correctly describes the effect of the parabola y=x^2+2x when it is changed to y=x^2+4x?
A: The parabola is translated to the right by two units.
B:The parabola is translated two units to the left and 4 units down.
C:The parabola is translated 1 unit to the left and 3 units down.
D: The parabola is vertically stretched by a factor of 2.
E: The parabola is vertically compressed by a factor of 2.
Answer:
D
Step-by-step explanation:
I said it was d.
Help please!!!! will Brainly!!!
Answer:
true
Step-by-step explanation:
.................
Write a exponential growth word problem and a exponential decay word problem
Answer:
Step-by-step explanation:
Growth:
You put 100 dollars into a fund which accumulates at a rate of 5% per annum. How much will be in the fund at the end of 10 years (to the nearest cent)?
answer: 100(1.05)¹⁰=162.89
Decay:
You buy a car for 10,000, and each year its value decreases by 5%. What is the car worth 10 years from now (to the nearest cent)?
answer: 10000(.95)¹⁰=5987.37