Answer:
Solving an inequality involves the same steps as solving a equation except with an inequality sign. To solve for r, isolate it from the other terms.
Add 5 to both sides.
r < -3+5
Combine like-terms.
r < 2
Hope this helps! :)
Find the ratio of 12kg to 84kg
Answer:
1:7
Step-by-step explanation:
12kg : 84kg
12 : 84
1:7
How would you put this: (2, - 5) into a y=mx+b equation?
help need please it’s hard
Answer:
3x^4
____
2y^4
Step-by-step explanation:
Answer:
21x^6y^5
------------
14x^2y^9
=
21x^6y^5
-----------
14x^2y^9
=
21x^4
--------
14y^4
=
3x^4
-------
2y^4
Step-by-step explanation:
The domain of a function f(x) is x> 1, and the range is y< -2. What are the
domain and range of its inverse function, f-1 (x)?
A. Domain: x> 1
Range: y< -2
B. Domain: x>-2
Range: ys 1
C. Domain: x< -2
Range: y> 1
O D. Domain: xs1
Range: y> -2
Answer: Choice C
Domain: x < -2
Range: y > 1
=================================
Explanation:
When going from the original function [tex]f(x)[/tex] to its corresponding inverse [tex]f^{-1}(x)[/tex], or vice versa, the roles of x and y swap places. The inverse undoes whatever the original function does.
This swap means that the domain and range also swap as well. The original domain x > 1 becomes the range y > 1 for the inverse. The range y < -2 in the original becomes x < -2 which is the domain of the inverse.
The domain and range of the inverse functions are:
domain: x < - 2range: y > 1.What are the domain and range of the inverse function?We know that two functions are inverses if:
f( g(x)) = x
g( f(x)) = x
So, the domain of f(x) is the range of g(x), and the range of f(x) is the domain of g(x).
Then the domain and range of the inverse function are:
domain: x < - 2range: y > 1.If you want to learn more about domain and range:
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I need help with the odd number equations please and thank you
1. a=-1
3. x=2
5. r=1
7. v=no solution cause 10 cannot equal 0
9. m=2
Solve the problem.
If f(x) = [tex]x^{2}[/tex] and g(x) = -1 + 5x, find (f ∘ g)(x) and find the domain of (f ∘ g)(x).
Answer:
Domain is 5
Step-by-step explanation:
f * g divided by its powers times its x
Biologists want to estimate the number of deer living in a certain region. They will use a method known as a hair snare. A hair snare is a length of barbed wire set up near a salt lick, where deer can lick minerals and nutrients from salt deposits. The wire snares hair from the neck of the deer. The hair is collected and sent for analysis. The biologists will randomly place 90 salt licks throughout the region. The region consists of 3 areas: the town, the forest, and the lake, as shown in the following diagram
(a) Two methods have been proposed for choosing where to place the salt licks: a simple random sample or a stratified random sample, with the area as strata. Give one reason why the stratified might be the better method for choosing where to place the salt licks.
The stratified random sample is better because this will lead to more accurate results.
Sampling is a method that implies randomly selecting participants, places, etc. as part of an experiment. There are two main methods for sampling:
Simple random sampling: This will mean choosing randomly the places to place the salt licks.Stratified random sampling: This means dividing the total area into subareas and then choosing random spots to place the salt licks.The second method is the best to use because this will guarantee in each subarea there is the same number of salt licks. Preventing many salts licks to be together or a subarea to not having any salt licks.
Based on this, we can conclude this method will lead to more accurate results.
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Answer:
Stratified random sampling is the better method to use.
Step-by-step explanation:
Stratified random sampling would be a better method for choosing where to place the salt licks because it will guarantee that each subarea has the same amount of salt licks, and prevent many salt licks from being in the same area or some subareas from having no salt licks at all.
£6000 is to be shared among David, Daniel and Dennis, Daniel is to get one and a half times as much as David, while Denis is to get three and a half times as much as David. Determine (i) the ratio in which the money is to be shared. (ii) the amount of money each will get.?
Answer:
36
Step-by-step explanation:
9+9+9+9=36 or 9 times 3
HOPE IT HELPS Y'ALL:)
Select the correct answer. Which equation represents a function? A. B. C. D. E.
Answer:
2y = 12 is a function
Step-by-step explanation:
In the graph of a function, the value of the x-value in an ordered pair can not be use only once. The graph in the other problems shows that the same x-value was used more than one time.
****25 points**** need help wil take at least 3 minuets
IF YOU SCAM!!! I WILL REPORT CAUSE NO LINKS!!! NO STINKIN LINKS!!!!
Answer:
The solution is (2,-2)
Step-by-step explanation:
A board that is
16
feet long is cut into three pieces. If the length of the first piece is
3
5
6
feet and the length of the second piece is
4
5
6
feet, how long is the remaining piece of board?
Third-degree, with zeros of -3,-2, and 1, and passes through the point (3,9)
Three zeroes of a third-degree polynomial are given, with the graph passing through the point (3,6). To find the equation of this, first, let us set up how a 3rd-degree polynomial factored out should look like:
y = a(x+b)(x+c)(x+d).
Since the zeroes of the function are -3, -2, 1, the equation will look like y = a(x+3)(x+2)(x-1). To solve for a, plug-in x = 3 and y = 6 from the point (3,6). After replacing the variable a in the equation with the answer, you will have the solution for the problem.
Third-degree, with zeros of -3,-2, and 1, and passes through the point (3,9) then the polynomial p(x) is (3/20)(x-1)(x+2)(x+3)
What is Polynomial?Polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and positive-integer powers of variables
-3 is a root... (x+3) is a factor
-2 is a root... (x+2) is a factor
1 is a root... (x-1) is a factor
p(x) = a(x-1)(x+2)(x+3)
(3, 9) is on graph so p(3)=9
9=a(3-1)(3+2)(3+3)
9=a(2)(5)(6)
9=60a
Divide both sides by 60
a=9/60
a=3/20
p(x) = (3/20)(x-1)(x+2)(x+3)
Hence, third-degree, with zeros of -3,-2, and 1, and passes through the point (3,9) then the polynomial p(x) is (3/20)(x-1)(x+2)(x+3)
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One gallon of milk has 128 fluid ounces. How much milk is in 6.5 gallons? Enter your answer in the box.
Answer:
832 fluid ounces.
Step-by-step explanation:
You just multiply 128 by 6.5
There are 4 quarts in a gallon, so:
6.5 * 4 = 26 quarts of milk
And with 32 ounces per quart:
26 * 32 = 832 ounces of milk
Similar Problems Posters
Each set has two related situations. Circle one set to explore.
Set 1
A
6 members of the Martinez farnily are going to their school's Community
Day. They have a coupon for $4.50 off each ticket. If they pay $40.50 for all
their tickets, how much does one ticket cost without the coupon?
make x the subject of the following formula x^2+3=h
2x=2y=p
s=x^2-3
Answer:
x^2+3=h
to make x the subject of the formula,move 3 to the other side making it negative
x^2 = h + 3
to take out the square,take the square root of both sides.
√x^2 = √ h + 3
x = √ h + 3.
you can ask me questions privately when confused .
Select the number that would make this statement true: 344 ÷ ________ = 34.4
Question 2 options:
104
103
102
101
Answer:
103
Step-by-step explanation:
I think
(2x-1) (2x+2) bằng bao nhiêu
Answer:
(2x-1) (2x+2)
4^2+2−2
Hope This Helps!!!
need help pls .......
Answer:
It should be the last one because rigid transformations doesn't change in size just where it is
really easy get fre-e points
write the number 4 million as the product of a single digit and a power of 10
Answer:
4 x 10^6
Thanks! Have a great day! :)
HELP PLEASE
Miguel drove for 8 hours at a constant rate. He drove a total of 424 miles.
Donna also drove at a constant rate. This table shows the number of miles she had driven in different numbers of hours.
Who drove at a slower speed?
Answer:
miguel did
Step-by-step explanation:
i just did this
−3=h+8÷2 plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz help
Answer:
-7=h
Step-by-step explanation:
−3=h+8÷2
−3=h+4
−3-4=h+4-4
-3-4=h
-7=h
four times the sum of a number and 9 is 16
Answer:
Step-by-step explanation:
four times the sum of a number and 9 is 16
4 *(x + 9) = 16
4x + 36 = 16
4x = 16 - 36
4x = -20
x = -5
---------------
4 * (-5 + 9) = 16
16 = 16
true
I got this question wrong and I’m trying to correct it but i don’t know how it’s wrong or what the right answer is.
Question: The triangles shown ARE similar. Explain how the triangles are similar and identify the similarity theorem: AA, SSS, or SAS
Triangle ABC~ Triangle AFG
Answer:
SAS
Step-by-step explanation:
The triangles are similar by SAS. Two side lengths are given, and we know that vertical angles are congruent.
It is not SSS because we do not know the side lengths of FG and BC.
It is not AA because we do not know two angle measurements.
Identify the slope in the equation y = -2x + 17
[tex]y=mx +c ,~~\text{Where m is the slope.}\\\\y= -2x+17 ~~\text{In this case m= -2, c =17}[/tex]
What is 5/8 of 4/5 I don't really understand how to do this.
Answer:
20/40 = 1/2
Step-by-step explanation:
5/8 * 4/5
multiply the numerator with the numerator and denominator with the denominator
you get 20/40 or 1/2
Answer: 0.5 or 1/2
Step-by-step explanation:
Will mark brainliest...no guessing please :)
Answer:
A
Step-by-step explanation:
We can calculate the equation of the lines based on two points. First line m:
y = ax +b
where a is the slope and b is the y-intercept. To find the slope we use the x and y of the points as:
a = [tex]a = \frac{y_1-y_2}{x_1-x_2} = \frac{4- -32}{2- -4} = \frac{36}{6} = 6.[/tex]
So:
y = 6x + b
we can find the y intercept by substituting the x and y for one of the points:
solving for b:
b=-32-(6)(-4)= -8.
So the equation is:
y = 6x - 8.
We can change it to:
y + 8 = 6x
8 = 6x - y.
So it’s (A).
Hope that helps!
Answer:
B I think
Step-by-step explanation:
What’s half of 1/2
Please help me !
Answer:
its 1/4 .............1/2/2=1/4
I hope it helped u
Answer:
1/4
Step-by-step explanation:
the way you do this is by multiplying 1/2 by 1/2
please help marking brainlist
Answer:
7/10
Step-by-step explanation:
Try 7/10
(7/10)^2=49/100
The Coney Island Boardwalk is 2.7 miles long.
A person walks at the average speed of 3 mph.
How long will it take the person to walk the boardwalk to the end and back?
Answer = 1.8
Step 1) 3 ÷ 2.7 = 0.900
Step 2) 0.900 x 2 = 1.8
Time taken by the person to walk the boardwalk to the end and back is 0.9 hours.
Given that, The Coney Island Boardwalk is 2.7 miles long.
What is the speed?The speed formula can be defined as the rate at which an object covers some distance. Speed can be measured as the distance travelled by a body in a given period of time. The SI unit of speed is m/s.
A person walks at the average speed of 3 mph.
We know that, speed = Distance/Time
= 2.7/3
= 0.9 hours
Hence, time taken by the person to walk the boardwalk to the end and back is 0.9 hours.
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help with this question
Answer: x=-1-2 square root 7
Step-by-step explanation:
