If f(x) = 42 - 5 and g(x) = 3x+ 7, which of the following statements are true?
I f(0) = g(-4)
II f(-2) - 9(2)
III f(0) = g(3)
IV f(6) - g(4)
Α. I only
B. I and IV only
C. II and III only
D. All are true
Answer:
B. I and IV only
Step-by-step explanation:
You replace the x with the numbers in the parenthesis. So for I it would be:
f(0) = 4(0) - 5 -> 0 - (-5) -> -5
g(-4) = 3(-4) +7 -> -12 + 7 -> -5
You solve each one and if your answer matches with each other, your answer is right.
If you did this with II and III, you wouldn't get the same answers.
For IV it would be:
f(6) = 4(6) - 5 -> 24 - 5 -> 19
g(4) = 3(4) + 7 -> 12 + 7 -> 19
20 POINTS PLEASE HELP ASAP!!!
The graph shows the depth, y, in meters, of a shark from the surface of an ocean for a certain amount of time, x, in minutes:
Part A: Describe how you can use similar triangles to explain why the slope of the graph between points A and B is the same as the slope of the graph between points A and C.
Part B: What are the initial value and slope of the graph and what do they represent?
Step-by-step explanation:The slope of AB and BC are the same.
The initial value is 60 m and the slope is 40 m/min.
Step-by-step explanation:
The graph shows the depth, y, in meters, of a shark from the surface of an ocean for a certain amount of time, x, in minutes.
See the graph attached.
Part A : If we consider two right triangles one Δ ABD and Δ BCE, where D(2,100) and E(1,60) points.
Now, those two triangles are similar and hence the slope of line segment AB will be .
Again, the slope of the line segment BC will be
Hence, and the slope of AB and BC are the same. (Answer)
Part B : From the graph, it is clear that the initial value of the graph is 60 m and it represents that initial position of the shark i.e. at t = 0 min, the shark was at a depth of 60 m from the water surface.
The slope of the graph is 40 means the rate of change of distance from the Ocean surface of the shark with respect to time in minutes will be 40 m per min. (Answer)
What part of the seventh- and eighth-grade students walk to school?
This right rectangular prism is filled with -foot unit cubes.
What are the actual dimensions of the prism?
How many unit cubes are in this prism?
What is the total volume of the prism, in cubic feet?
one foot is 12 inches, so one inch inch is _ of a foot. 5 inches are _ of a foot.
Answer:
1/ 12 and 5/ 12
Attachment Below- help would be appreciated! :)
Answer:
A, B, C, E, and F
To solve this problem, you should make sure to find the equation first. Start by doing rise/run with your two given points on the graph. From the point (-1,1) you rise 4 and then run 16 over to the point (3,2). That gives us a slope of 4/16 which can then be simplified to 1/4. That means that letter F tells us the equation of the line is y= 1/4x + 5/4.
From there you want to check your points, (3,2) and (-1,1). The first number is always x and the second number is always y. So you plug the point numbers into the equation we just found to see if they work. In the photos I inserted are how to do this step.
Once you have checked your points and you know for sure they're solutions, that gave you letters A and B. Since the point (1, 3/2) is also given in one of the answers we should check that point as well. (Also done in one of the photos) Since the point came out correctly that gives us letter C and also tells us there is more than 2 solutions. This means that letter E is also correct.
Hope this helped!
Miss Owens has a coupon for 40% off a pair of shoes she pays $111.79 for a pair of shoes and a dress after using the coupon. The dress costs $64.99. Which equation can be solved for x, the retail price of the shoes?
Answer:
The answer is A.
Step-by-step explanation:
Process of elimination... Its not C or D because the % distributes onto the dress cost and it only contributes to 111.79. Also, 40% of 1 is 0.6 so its not B, which leaves A...
A = {x | x <15, x ϵ A} and B = {2, 3, 5, 7, 9, 11, 13, 17}. The results of A - B are
Answer:
All answers here: https://www.cimt.org.uk/projects/mepres/step-up/mepanswers.pdf
The double bar graph below shows the number of cups of coffee that a large random sample of people consumed, broken down by gender.
What inference can be made based on this data?
A - Men and women drink the same amount of coffee per day on average.
B - More men than women drink at least two cups of coffee a day.
C - Men drink more coffee per day than women on average.
D - Women drink more coffee per day than men on average.
Please don't put random stuff in the answers box just for brainly points : I it's very annoying.
Answer:
1st row = no
2nd row = yes
3rd row = yes
4th row = yes
Step-by-step explanation:
hope this helps.
ps. I also dislike blank answers.
Casey wants to determine whether the rate at which melted glass cools affects the strength of the glass. He pours melted glass into a form and cools the glass at different rates. Then, he tests the breaking strength of each form. Which of the following is the test variable in this experiment?
A. type of glass
B. strength of the glass
C. thickness of the glass
D. cooling rate of glass
Help if you know and are sure!
D
"What is a variable?
A variable is used in a Fair Test. A variable is any one of the elements of the test which could be changed. They can change the outcome of an experiment.
In a fair test, only one variable is allowed to be manipulated – all others have to be kept the same,or “controlled”."
so if you 12 centimeter cubes to build a rectangular prism, the prism has a volume of _______ cubic centimeters, or _______ cm
PLS HELP THIS IS DUE TODAY PLS
Which pair of angles is supplementary?
Answer:
There are 4 possible answers:
1.) Pair 1 and 3
2.) Pair 3 and 4
3.) Pair 4 and 2
4.) Pair 2 and 1
Step-by-step explanation:
Supplementary angles are 2 or more angles who's sum add up to 180°. If two angles make a straight angle they are supplementary.
Hope this helps!
Please help me out
ill brainliest u
Answer:
1) x-3=0
4) 6=2x
6) x²=9
Step-by-step explanation:
x-3=0
x=3
----
1+x = 2
x = 2-1
x = 1
----
9-x=3
9-3=x
6=x
----
6=2x
6/2=x
3=x
----
x/5=3
x=3*5
x=15
----
x²=9
x=±3
These are the value of x solved for each equations. If you have any questions, feel free to ask.
Answer:
1. yes
2. no
3. no
4. yes
5. no
6. yes
Step-by-step explanation:
PLS HELP ILL GIVE BRAINLIEST
Answer:
28.8
Step-by-step explanation:
hi friend the answer is 28.80$ hope that helps you
HELP ASAP!
A right triangle has a vertex at point B, a height of 6 units, and a base of 4 units.
Use the Polygon tool to draw the triangle.
Each segment on the grid represents 1 unit.
Answer:
From the Vertex B, draw a line segment up 6 units or 6 boxes and then from the same Vertex B, draw a line going either left or right 4 units. Then connect everything together it will form a right triangle.
What is the solution to the inequality 7x + 2 < –3x + 1?
Answer:
x<-1/10
Step-by-step explanation:
7x+2 < -3x+1
+3x +3x
10x+2 < 1
-1 -1
10x+1 < 0
-1 -1
10x < -1
x < -1/10
Demarcus has a cereal box shaped like a rectangular prism. It measures 758 inches long, 212 inches wide, and 12 inches high. What is the volume of the cereal box?
Answer:
1,928,352 in cubed
Step-by-step explanation:
The volume of the cereal box is [tex]\rm 228\dfrac{3}{4}[/tex]cubic inches.
What is the volume of rectangular prism?The volume of rectangular prism is given by :-
[tex]\rm Volume = Length \times Width \times Height[/tex]
Demarcus has a cereal box shaped like a rectangular prism. It measures 7 5/8 inches long, 2 1/2 inches wide, and 12 inches high.
The volume of the cereal box is determined in the following steps given below.
[tex]\rm Volume = Length \times Width \times Height\\\\\rm Volume = 7\dfrac{5}{8}\times 2\dfrac{1}{2} \times 12\\\\\rm Volume = \dfrac{7\times 8+5}{8} \times \dfrac{2\times 2+1}{2} \times 12\\\\\rm Volume = \dfrac{61}{8} \times \dfrac{5}{2} \times 12\\\\Volume =\dfrac{3660}{16}\\\\Volume=228\dfrac{3}{4}[/tex]
Hence, the volume of the cereal box is [tex]\rm 228\dfrac{3}{4}[/tex]cubic inches.
Learn more about prism here;
https://brainly.com/question/3244285
#SPJ2
SCATTER PLOTS AND TREND LINES
In 1-4, match each scatter plot to the equation that could represent the equation of its trend line.
(Not all of the choices will be used.)
1.
2.
a. y = 3x
b. y = 4x - 2
c. y = -x + 5
d. y = -5x
3.
4.
e. y = -2x - 4
f. y = x + 3
g. The relationship is not linear.
Due today .
The coordinates of a transformation are shown below. What transformation occurred? Select one answer.
PLZZZ help with this its pretty simple!
Answer:
It should be D, [tex]x^4 - 2x^3 + 7x^2 -12x - 4[/tex]
Step-by-step explanation:
Since, the equation given in the question is the factored form of the equation D. It can be solved using FOIL (First Outside Inside Last):
x * x³ = [tex]x^{4[/tex]
x * 7x = 7x²
x * 2 = 2x
-2 * x³ = -2x³
-2 * 7x = -14x
-2 * 2 = -4
This all would add up to ⇒ [tex]x^{4}[/tex] - 2x³ + 7x² + (-14x + 2x) -4
Simplifying the parenthesis further would give the option D as the answer.
Expand and simplify these 6 questions
first one: 2(1x + 3) - 5
second one: 3(1x + 7) + 3x
third one: 4(1x + 2) + 8
fourth one: 4(1x + 1) - 6
fifth one: 2(3x + 2) - 5x
sixth one: 5(1x - 4) + 10
i dont know what to do for number 6, please someone help/explain!
Answer:
r= 16.65
Step-by-step explanation:
Formula of cone V= 1/3 pi r ^2 h
They give us the volume and height, we just need to find the radius.
85= 1/3 pi r^2 9
1/3 of 9 is 3.
85= 3 pi r^2
divide by 3 on both sides.
28.3= pi r^2
square both sides with calculator or logic and round to nearest tenth.
5.3= pi r
divide pi.
r= 5.3 pi = 16.65
To find volume, plug everything in the formula.
no link need right answer
Answer:
i think its the third one
HELP PLEASE
HELP PLEASE HELP PLEASE
Step-by-step explanation/ Answers
because you have 5% possibilities and a total of 100%. You divide
100 by 5 and then you get 20 so that is for question 5
for question 6 it would be 80 because 100 - 20 is 80
for question 7 it will be 40 because 20 + 20 is 40
hopes this helps
What is the length of the paintbrush in centimeters?
Answer:
C. 16.2 cm
You're welcome
A cylindrical can of soda pop is 12 cm tall and has a diameter of 6 cm. The box for a 12-pack of soda pop has a length of 25 cm, a width of 19 cm and is 12.2 cm tall. The cans are placed in the box in three rows of 4. What is the volume of space that is not used when a 12-pack box of soda pop is full? ( Use 3.14 for Pi) pls don't answer if you don't have the answer
Answer: B. [tex]\frac{1}{4} \pi x^{3}[/tex]
Equation: I found the answer on this link
https://www.dcs.k12.oh.us/cms/lib/OH16000212/Centricity/Domain/277/20140221144149685.pdf
If Nina is N years old now and Maryna is M years old now. Write the sum of their ages in 6 years?
Answer: y=6n+m
Step-by-step explanation:
Please Help!!!!
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\
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Answer:
20 divided by 5.^-^
Step-by-step explanation:
Answer:
The first one 20 divided by 5
Step-by-step explanation:
They split into 5 groups not groups of five
Which is a true statement about the dot plot?
Number of Rolls of a Six-Sided Number Cube to Get an Even Number
A dot plot going from 1 to 5. 1 has 4 dots, 2 has 8 dots, 3 has 4 dots, 4 has 2 dots, and 5 has 1 dot.
A. The data is skewed left.
B. There is a cluster at 1, 2, and 3.
C. It never took more than 4 rolls to get an even number.
D. Most often it took 3 rolls to get an even number.
I think that the answer is C