Answer:
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Step-by-step explanation:
Which statements are true of functions? Check all that apply
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All functions have a dependent vanable
All functions have an independent variable
The range of a function includes its domain
A vertical line is an example of a functional relationship
A horizontal line is an example of a functional relationship
Each output value of a function can correspond to only one input value
Answer:
The true statemens are:
All function have (at least) a dependent variable. That is why you can write y = f(x), x is the independent variable, while y depends on x values, so y is the independent variable.
All function have and independent variable (explained above).
A horizontal line is an example of a funcitional relationship (because given a value of x, you can always tell the value of y)
The other statements are false:
The range of a function includes its domain is false.
Domain are the values that x can take and the range are the values that the function (y) can take. One is not included in the other.
A vertical line is an example of a functional relationship is false, because you can not tell the value of y for any value of x.
Each output value of a function can correspond to only one input value is false. An output can be generated by more than one value of x. The horizontal line is an example of that: the same value of y (output) corresponde to any value of x.
Step-by-step explanation:
Answer:
A: All functions have a dependent variable.
B: All functions have an independent variable.
E: A horizontal line is an example of a functional relationship.
Step-by-step explanation:
edg2021
Rewrite the equation in Ax+By=C form.
Use integers for A, B, and C.
y+5=2(x+1)
Answer:
-2x + y = -3
Step-by-step explanation:
First, distribute the right side:
y+5 = 2x+2
Then, subtract both sides by 2x:
-2x + y + 5 = 2
Lastly, subtract both sides by 5:
-2x + y = -3
Hope this helped. If it did, please consider giving brainliest? :)
The figures in the pair are similar. Find the missing length.
Answer:
c. 9 cm
Step-by-step explanation:
4*1.5=6
6*1.5=9
y=9
Hi does anyone wanna do a math homework assignment? it involves volume and algebra (I'm in alg2/trig)
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Area. The amount of space covered by a two-dimensional object; the amount of carpet you'd need to cover a floor would depend on the floor's area.
Perimeter. The distance around a two-dimensional object; the amount of fence you'd need to surround your yard equals the perimeter of your yard. (The perimeter of a circular object is called the circumference.
Volume. The amount of three-dimensional space inside an object; the amount of liquid inside a soda can represents the can's volume.
Surface area. Measures the amount of "skin" needed to cover a three-dimensional object, neglecting its thickness; the amount of siding you'd need to completely cover a house represents the surface area of that house's walls.
Description Formula Variables
Area of a rectangle A = l · w l = length, w = width
Perimeter of a rectangle P = 2(l + w) l = length, w = width
Area of a circle A = r2 r = radius of circle
Circumference of a circle C = 2r r = radius of circle
Volume of a rectangular solid V = l · w · h l = length, w = width, h = height
Volume of a cylinder V = r2h r = radius; h = height
Surface area of a cube SA = 6l2 l = length of side
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I have to find the circumference of 15 cm
Answer:
r = 2.39 and C=2πr=2·π·2.39≈14.99997
Step-by-step explanation:
Using the formula
C=2πr
Solving for r=C 2π=15
2·π≈2.38732
and then u round up the 7 told the 8 to go up.
2.39
Heather purchased a prepaid phone card for $15 . Long distance calls cost 16 cents a minute using this card. Heather used her card only once to make a long distance call. If the remaining credit on her card is $12.76 , how many minutes did her call last?
Answer:
14 minutes
Step-by-step explanation:
In order to get the answer, we have to subtract the original amount of money on the phone card by the amount left over after the call:
15 - 12.76 = 2.24
Then, we divide this number by 0.16:
2.24 / 0.16 = 14
So, Heather's call lasted 14 minutes
Hope this helps :)
What is the slope of the line that passes through the points (7,-6) and (4, -6)? Write your answer in simplest form.
Answer:
It would be a negative slope
Step-by-step explanation:
Since it starts at a positive number but goes down into the negative quarderents it is a negative slope.
Is 1/2 a rational or irrational number
Answer:
rational
Step-by-step explanation:
I'm smart uhujjjjjhbbjjhh
Answer: rational number
Step-by-step explanation: branilest please
Jimmy sells cookies in bags of dozen cookies for $4.50. If the cost varies directly to the number of
cookies, how much would it cost for a bag containing 30 cookies?
Answer:
I'm pretty sure it would cost $11.25 since 6 cookies would be $2.25 if you divide the amount for a dozen in half. I hope it was right!
Step-by-step explanation:
Store ABC began business 5 years ago. The graph below shows the store’s profit for those 5 years.
Question
Make a table showing the relationship between the year in business and profit.
Answer:
Check the pictures above.
Country A has a population of 514,482 and Country B has a population of 523,407. How would you compare these populations
Which is the better buy a 12 pack of Pepsi for 3.50 or a 6 pack for 1.80
12 pack 1.80 plus 1.80 is 3.60 youd save 10 cents
Answer:
So i have been bying pepsis for a while and i think 12 pack for 3;50 because if you get 2 packs of 6 it is almost 3;50 with tax and all that so i would go with the 12 pack
Step-by-step explanation:
line p has point (9,5) and (4,0) determine the slop of p
Answer:
1
Step-by-step explanation:
y2-y1= m 0-5= -5 = 1
x2-x1 4-9 -5
All of the following expressions have the same value, except . . .
- -
-
- + -
- -
Answer:
-
Step-by-step explanation:
- - = +
- = -
- + - = +
- - = +
they're all positive except the second one.
Answer:
there's no expressions, just plus and minus signs-
Step-by-step explanation:
ILL GIVE BRAINIEST TO WHOEVER IS CORRECT!! PLEASE HELP ASAP!!
Write an equation of a line in a standard form that passes through points A(-3,4) and B(1,-2) with work
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
Yes, the other person is right.
HURRY PLZ IM ON A TIME LIMIT!!!!
Answer:
23°
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ;)
While attending a baseball game, Eva buys hamburgers and hotdogs for her family. The number of hotdogs bought is five more than the number of hamburgers bought. Hamburgers cost $6.25 each and hotdogs cost $3.75 each. Eva spent a total of $58.75 on the hamburgers and hotdogs.
a) let n be the number of hamburgers Eva bought. Set up an equation that models the information given in the problem
b) how many hamburgers did Eva by?
I need a answer by Monday
Answer:
Number of hamburgers bought = 4
Number of hotdogs bought = 9
Step-by-step explanation:
Let
Number of hamburgers bought = n
Number of hotdogs bought = n + 5
Hamburgers cost = $6.25
Hotdogs cost = $3.75
Total cost = $58.75
6.25n + 3.75(n + 5) = 58.75
Open parenthesis
6.25n + 3.75n + 18.75 = 58.75
Collect like terms
6.25n + 3.75n = 58.75 - 18.75
10n = 40
Divide both sides by 10
n = 40 / 10
= 4
n = 4
Number of hamburgers bought = n = 4
Number of hotdogs bought = n + 5
= 4 + 5
= 9
Subtracting fractions with unlike denominators 9/8-4/10
Answer:
29/40
Step-by-step explanation:
Answer:
29/40
Step-by-step explanation:
Hope it helps
10. Find the coefficient of x term in the expansion of (2x - 5)(x2 – 3x2 + 4).
Answer:coefficient of x term is 8
Step-by-step explanation:I(2x-5)(x2-3x2+4)
(2x-5)(-2x2+4)
-4x3+8x+10x2-20
coefficient of x is 8
You are preparing for a trip to Canada. At the time of your trip, each U.S. Dollar is worth 1.293 Canadian dollars and each Canadian dollar is worth 0.773 U.S. Dollar. a. You exchange 150 U.S. Dollars for Canadian dollars. How many Canadian dollars do you receive?
Answer:
193.95 Canadian dollars
Step-by-step explanation:
Given: Each U.S. Dollar is worth 1.293 Canadian dollars and each Canadian dollar is worth 0.773 U.S. Dollar.
To find: Value of 150 U.S. dollars in terms of Canadian dollars
Value of 1 U.S. dollar = 1.293 Canadian dollars
To find 150 U.S. dollars in terms of Canadian dollars, multiply 150 by 1.293
Value of 150 U.S. dollars in terms of Canadian dollars = 150 × 1.293 = 193.95 Canadian dollars
Help me pleaseee thank you In advance please explain to me too so i know what to do next time :)
Solve. -7x + 29 = 6 (8+3x)
Answer:
Hi there
Your answer is
x = -.76 OR -19/25
Step-by-step explanation:
-7x +29 = 6(8+3x)
-7x +29 = 48 + 18x
-18x
-25x +29 = 48
-29
-25x = 19
/-25
x = -.76 OR -19/25
Answer:
x=-19/25 or x=-0.76
1/2+6 over 3 = x-3 over 2
what is the awser PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!
I WILL REPORT U IF U PUT SOMETHING SILLY
Answer:
x = 7 1/3
Step-by-step explanation:
First, add 1/2 and 6
1/2 + 12/2 = 13/2 = 6 1/2
Our equation now:
13/2 over 3 - x - 3 over 2 = 0
Next, divide 13/2 by 3
13/2 divided by 3 = 13/6
Our equation now:
13/6 over 3 - (x - 3) over 2 = 0
Now, find common denominators and simplify
13/6 - ((x - 3) times 3) over 6 = 0
22 - 3x over 6 = 0
Multiply by six on both sides
22 - 3x = 0
Subtract 22 from both sides
-3x = -22
Divide by -1
3x = 22
Divide both sides of the equation by 3
x = 22/3
x = 7 1/3
Hope this helps!
Find the area in of this rectangle on this centimetre grid
Answer:
A=22.75cm²
Step-by-step explanation:
A=LW
A=6.5x3.5
A=22.75cm²
Tonya wrote the equation below which solves for x.
x = 150 minus 6 y
Which equation is equivalent to Tonya’s equation?
x + 150 = 6 y
x + 6y = 150
2x + 3y = 75
2 x minus 3 y = 75
Given parameters:
x = 150 minus 6 y
Interpreting this gives;
minus = subtraction = -
x = 150 - 6y
Now bring the variables together;
x + 6y = 150
The option that matches with this equivalent.
The other choices are wrong;
a, x + 150 = 6 y
x - 6y = 150 wrong
c. 2x + 3y = 75 mulitply through by 2;
2(2x + 3y) = 2(75)
4x + 6y = 150 wrong
d. 2x - 3y = 75
Multiply by 2;
2(2x -3y) = 2(75)
4x - 6y = 150
Answer:
x+6y = 150 (B)
Step-by-step explanation:
$9 for 6 can vegetable soup (find the unit rate)
Answer:
$1.50 per can vegetable soup
Step-by-step explanation:
9 divided by 6
Answer:
$0.66666667 so about $0.67
Step-by-step explanation:
to find how much 1 can of soup is you can divide 6 by 9
6/9= 0.66666667
A whole number k is greater than 3. Which of the following is true about k/3?
Answer:
D) It is greater than 1.
Step-by-step explanation:
Since k is greater than 3, it could not be between 0 and 1/3 and also could not be between 1/3 and 1
We also know that it is not equal to 1 because it is greater than 3.
Therefore, it is greater than 1.
Solve for x.
please help
x =
Answer:
x = 1
Step-by-step explanation:
1 + 24x + 105 + 51x - 1 = 180
75x = 75
x = 1
Solve the following:
1. 2(x+3)=x-4
2. 4(5x-2)=2(9x+3)
Please show working
Answer:
1. 2(x+3)=x-4 x=-10
2. 4(5x-2)=2(9x+3) x=7
Step-by-step explanation:
1. 2(x+3)=x-4
2x+6=x-4
2x=x-10
x=-10
2. 4(5x-2)=2(9x+3)
20x-8=18x+6
20x=18x+14
2x=14
x=7
Answer:
1) x=-10
2)x=7
Step-by-step explanation:
1.
[tex]2(x+3)=x-4\\\\2(x)+2(3)=x-4\\\\2x+6=x-4\\\\2x+6-x=-4\\\\x+6=-4\\\\x=-4-6\\\\x=-10\longleftarrow[/tex]
2.
[tex]4(5x-2)=2(9x+3)\\\\4(5x)+4(-2)=2(9x+3)\\\\20x-8=2(9x+3)\\\\20x-8=2(9x)+2(3)\\\\20x-8=18x+6\\\\20x-8-18x=6\\\\2x-8=6\\\\2x=6+8\\\\2x=14\\\\x=7[/tex]
t^12 x t^5 and i need the anser
Answer: t^17
Step-by-step explanation:
Answer:
t^17
Step-by-step explanation:
if you're going to multiply, you're just gonna add the exponent.