Answers
Answer: I think the answer is B. 3.
Step-by-step explanation:
Related Questions
I NEED HELP ASAP!! WILL GIVE BRAINLIEST!!
Answers
Answer:
-9
Step-by-step explanation:
all you do is go on math-way and calculate it.
Question 7 (10 points)
You are buying some jeans for $55.00 you have a coupons for 10% off. How much is the discount worth?
A. $0.05
B. $0.55
C. $5.50
D. $5.00
Answers
Answer:B
Step-by-step explanation:55 divided by 100 will give you 0.55
A biologist wonders if the life span of bats will be affected by two new food sources from invasive species moving into an area. To conduct the experiment, the biologist needs three treatment groups: a group where the diet will not include invasive species (control), a group where the diet will include one invasive species (treatment group 1), and another group where the diet will include the other invasive species (treatment group 2). The biologist chooses the first cloud-free night and catches the first 18 bats that fly out of a cave, placing them into three equal groups of six bats. To decide the treatment for each group, the biologist places three slips of paper labeled control, treatment group 1, and treatment group 2 in a hat and randomly selects 2 slips of paper. The first piece of paper gives the treatment for the first group, the second piece of paper gives the treatment for the second group, and the remaining treatment is given to the third group.
Which component is missing from the biologist’s process?
a.The biologist did not use proper labeling on the pieces of paper.
b.The biologist did not use the appropriate number of treatment groups.
c.The biologist did not randomly assign the individual bats to the treatment groups.
d,The biologist did not randomly choose the weather on the night for bat capture.
Answers
Answer:
D
Step-by-step explanation:
Every factor, besides for the factor you are testing for, must be the same for all of the groups and must be randomly selected. Choosing bats from one clear night isn’t random because a cloud free night might effect which bats first fly out of the cave.
It’s like surveying the first few people who walk out of a movie theater and asking if they thought the movie was good. Most likely not because they left so early/quickly. This can skew the results from being completely random and won’t reflect the entire population as a whole accurately.
Also, note that for every other answer choice, they are correct.
A - The biologist did use proper labeling
B - There are enough treatment groups
C - He did randomly assign 6 for each group
Therefore, by process of elimination, it is D.
I hope this helps! :)
The component that is missing from the biologist's process is: c. The biologist did not randomly assign the each of the bats to the treatment groups.
Importance of Random Assignment of Subjects into GroupsWhen carrying out a research study where you have groups created that you want to study, differences between and within groups can be satisfactory ensured that they are not systematic when subjects are randomly assigned to groups.
Thus, it gives the researcher the confidence that groups are the same in terms of variables, and any differences can be confidently ascribed to experimental treatments.
Therefore, the component that is missing from the biologist's process is: c. The biologist did not randomly assign the each of the bats to the treatment groups.Learn more about random assignment on:
https://brainly.com/question/5484914
MATH FINAL TOMORROW! PLEASE HELP!
I have no idea what piecewise functions are or how to solve them! Please explain how, thank you!
I'm willing to give up a lot of points to understand this, so please help me.
Answers
Answer:
A piece wise function is pretty easy
Think of it like as a lot of functions with inequalities.
So lets say for example
Your Going to a skate park that counts time
Up to 6 minutes costs $50
Over 6 and up to 15 minutes costs $80
Over 15 minutes costs $80 plus $5 per minute above 15 minutes
The function would look something like
H(t)={ $50 If T is less then Or equal to 6
$80 If T is greater then 6 AND T less then or equal to 15
$80+$5(T-15) If T is greater then 15 }
Just simplify the worded problems into inequalities
And then a question would be something like, you visit for 13 minutes, how much would you pay?
It‘d be $80 becuase the chart says, if T (13) is greater then 6 And less then or equal to 15, its be 80 dollars.
Get it?
At The Last Book Store, 4 books cost $28. How many books could you buy for $49?
Answers
You divide 28 by 4 and get 7. Then you divide 49 by whatever you get.
Brian started working at Domino’s in order to build his savings account. He started off with $33 dollars in his account, then every hour he works he makes $10. Write a function to represent how much he will have in his account.
A.f(x)=10x-33
B.f(x)=33-10x
C.f(x)=10x+33
D.f(x)=33x+10
Answers
Answer:
C
Step-by-step explanation:
$10 - every hour he works
X - number of hours
33 - established
Mr. Wilson wants a new version of Animal Crossing for Christmas. Mrs. Tilson-Wilson finds it for $64.50. If she waits until Cyber Monday, the game will be on sale for 20% off. How much will she pay for the game if she waits?
HURRRY PLSSSSSSSS
Answers
solve for x
(2/3)(x+6)=2
Answers
Answer:
x = -3
Step-by-step explanation:
(2/3)(x+6)=2
(x+6)=2/(2/3)
x=(2/(2/3))-6
x=-3
Question 9 of 25
Simplify a^15/a^5
A. a^-10
B. a^10
C.a^-3
D. a^3
Answers
Answer:
B) a^10
Step-by-step explanation:
a^15/a^5=a^(15-5)=a^10
if f(x) = 1/2 * x - 1 what is f(- 2x + 1) equal to?
Answers
Answer:
f(-2x+1)=-x -1/2
Step-by-step explanation:
f(-2x+1)= 1/2 * ( -2x + 1 ) - 1
f(-2x+1)=-x + 1/2 - 1
f(-2x+1)=-x -1/2
4 goals in 10 attempts
Answers
Answer:
2.5 attempts for 1 goal so 1 every 2.5 attempts
Step-by-step explanation:
How can you find a slope
Answers
The slope formula:
You could count the rise and run and then the slope formula is m=rise/run
Solve for slope:
Pick two coordinated that the line goes through. Mark them as x1, x2 and y1, y2.
Set up the equation it would be y2-y1 over x2-x1. The answer is the slope
Johnny scored 8 out of 10 attempts, Ray scores 1 out of 2 attempts and David scored 12 out of 20 attempts
Which player has the greatest free throw ratio?
Answers
Answer:
Johnny
Step-by-step explanation:
If we convert it so everyone has denominators of 20 we get:
(These are still equal to what their scores before were)
Johnny: 16/20
Ray: 10/20
David: 12/20
Johnny has made the most free throw shots, therefore, they have done the best.
Hope this helps!
-AxekickNebulite
Answer:
Johnny has the greatest free throw
Step-by-step explanation:
Lets look at the 1/2 mark of each one
Johnnys half mark is 5/10 he has 8/10 so he’s ahead
Rays half mark is 1/2 he’s at 1/2 so he’s lower then johnny
Davids half mark is 10/20 he’s at 12/20 a little over
Davids= 6/10
Johnnys= 8/10
Rays= 5/10
JONHNNYS IS THE GREATEST
what is an exponential function
Answers
Answer: In mathematics, an exponential function is a function of the form where b is a positive real number not equal to 1, and the argument x occurs as an exponent.
Step-by-step explanation:
Hey there! Let's solve your problem:
- - - - - - - - - - - - - - - - - - - - - - - - - - - -
⇒ An exponential function is a function who’s value is a constant digit that is raised to the power of arguments.
- - - - - - - - - - - - - - - - - - - - - - - - - - - -
This is the definition of an exponential function. Best of Luck!
Sergio and Allen ate lunch together in the school cafeteria. Each boy ordered a cheeseburger with fries. Sergio only ate 1/7 of his cheeseburger, while Allen ate 3/7 of his cheeseburger. How much cheeseburger did they eat together?
Answers
Answer:
4/7
Step-by-step explanation:
The word together symbolizes that we are adding.
We add the numerators but keep the denominator the same since it is already the same.
1+3 is 4, so that is our new numerator.
1 3 4
__ + __ = __
7 7 7
Hope this helps!
-AxekickNebulite
Danilo solved 8 out of 10 problems in his math quiz correctly. Expressed as a decimal what part of the math quiz did Danilo solve correctly?
Answers
Answer:
I think
it is 0.28 I think I'm wrong
Answer:
0.80
Step-by-step explanation:
8 x 10 = 80 =0.08
On Saturday, Ashley rode her bicycle to visit Maria. Maria's house is
directly east of Ashley's. The graph shows how far Ashley was from her
house after each minute of her trip.
What was her average velocity for the entire trip?
Answers
Answer:
160 m/min i beleve if not im sry
Step-by-step explanation:
pls give brainlyes
There are 2.54 centimeters in 1 inch. Show Many centimeters are there in 1 foto?
Answers
Answer:
30.48 cm
Step-by-step explanation:
One foot has 12 inches. To find number of centimeters in a foot, multiply 12 by 2.54 and we get 30.48 cm.
help me please, needed asap
Answers
Answer:
4 fish and 3 cportion of chips- $28.35
Step-by-step explanation:
help please? like this is fr hard
Answers
Answer: (-2,1)
Step-by-step explanation: Easy stuff
PLEASE HELP WILL GIVE BRANLIEST
Answers
Find the input (x) of the function y = 3x - 7 if the output
(y) is 5.
Answers
Answer:
The input (x) = 4
Step-by-step explanation:
Since we know what the output (y) is, you can substitute it into the equation to get:
5 = 3x - 7
Then, solve for x, and you’ll get x = 4. The image below shows step-by-step on how to solve for x.
Hope this helps! :)
Solve for a: am=n+p
Help me
Answers
Answer:
a = (n + p)/m
Step-by-step explanation:
just divide by m on both sides
hope this helped!
Find the value for x for which r ll s. Then find m<1 and m<2. m<1 = (60-2x)to the zero power m<2 = (71 - 3x)to the zero power. The value for x for which r || s is ?
Answers
What is the distance of the point P(x,y) from y axis? Wht does this even mean?
Answers
Answer:
The x value
Step-by-step explanation:
Basically, the question is asking you to find the straight line distance from the y axis to a given point. The y-axis on a coordinate plane is the axis that goes up and down, and the x axis is the one that goes left and right. In a coordinate pair (x,y), x is how far left or right the point is and y is how far up or down it is. so the point (3,9) is three to the right and three up. (See screenshot)
So, the distance that (3,9) would be from the y-axis would be how far right it is, or x, which is 3!
The population of rabbits on an island is growing exponentially. In the year 2001,
the
population of rabbits was 940, and by 2006 the population had grown to 2050.
Predict the population of rabbits in the year 2009, to the nearest whole number.
Answers
2050-940=1110
1110/5=222
222x3=666
Answer: 3273
Step-by-step explanation:
How would i solve this problem example optional
Answers
The function g(x) is a transformation of the function f(x) = ? . Which of the following correctly describes g(x)?
Answers
9514 1404 393
Answer:
b. g(x) = 0.5f(x)
Step-by-step explanation:
Compared to the line y=x, the graph of g(x) has a vertical scale factor of 1/2. We can also observe that the equation for g(x) is ...
g(x) = 1/2x
If we substitute f(x) for x, then this is ...
g(x) = 1/2f(x) . . . . matches choice B
A t-shirt decreased in price by
1
—
4
. After the reduction it was priced at £15. What was the original price of the t-shirt?ILL MARK YOU BRAINEST✌✌✌✌✌✌✌✌✌✌✌✌
Answers
Answer:
£20
Step-by-step explanation:
1-1/4=3/4
3/4=15
1
1*15/3/4
15*4/3=20
URGENT ! what is the common difference of the arithmetic series 14+12+10+8
Answers
Explanation:
An arithmetic sequence has a common difference, meaning you use addition or subtraction to get from term to term, and each term in the sequence is an equal distance apart.
A geometric sequence has a common ratio, meaning that you use multiplication or division to get from term to term.
If you look at this sequence:
14-2 = 12
12-2 = 10
10-2 = 8
8 -2 = 4
etc.
Because you are subtracting 2 each time, 2 is the common difference, and the sequence is arithmetic.
