Answer:
a+b=c
Step-by-step explanation:
add a and b and thats c
factor 2x+2y by removing a common factor
Answer:
2(x+y)
Step-by-step explanation:
I am a two digit prime numberThe number 5 less than me is a multiple of 11.
Which number am I?
Answer:
17
Step-by-step explanation:
22 is a multiple of 11 and 22-5 is 17
A number of squares are connected in a row to form a rectangle. The table shows the relationship between the number of squares, x, and the
perimeter, y, of the rectangles they form
Select all the true statements about this relation.
Answer:
✅The table can be represented by the equation, [tex] y = 4x + 4 [/tex]
✅The relation is a function.
✅The graph of the function is linear.
Step-by-step explanation:
✍️The first statement: The table can be represented by the equation, [tex] y = 4x + 4 [/tex].
To check if the first statement is correct let's find the equation that can represent the table by finding the slope (m) and y-intercept (b).
Using two pairs, (1, 8) and (2, 12),
Slope = [tex] \frac{y_2 - y_1}{x_2 - x_1} = \frac{12 - 8}{2 - 1} = \frac{4}{1} = 4 [/tex].
Substitute, x = 1, y = 8, and m = 4 into y = mx + b to solve for b.
Thus:
8 = (4)(1) + b
8 = 4 + b
Subtract 4 from each side
8 - 4 = b
4 = b
Plug in the values of b and m into y = mx + b.
Thus, the equation that represents the table would be:
[tex] y = 4x + 4 [/tex].
✅Therefore, the first statement is correct.
✍️The second statement: The graph of the function is non-linear.
This is NOT TRUE because the equation of the function, [tex] y = 4x + 4 [/tex], represents the equation of a linear graph in the slope-intercept form. When graphed, it will give us a straight line.
✍️The Third statement: The relation is a function.
This is TRUE because each input value (x-value) has exactly one output value (y-value).
✍️The Fourth statement: The rate of change is NOT constant.
This standby is NOT TRUE.
The rate of change is the slope (m) that we have calculated above to be 4. Between any two pairs, the rate of change remains 4.
Therefore, this statement is not correct.
✍️The Fifth statement: The graph of the function is linear.
This is TRUE. As stated earlier, from the equation generated, it is safe to say that the equation represents graph of a linear function. The graph will be a straight line graph.
The true statements are:
(a) The equation of the function is [tex]\mathbf{y = 4x +4}[/tex](c) The relation is a function(e) The graph is linear(a) The equation of the function
Start by calculating the slope (m)
[tex]\mathbf{m = \frac{y_2 - y_1}{x_2 -x_1}}[/tex]
So, we have:
[tex]\mathbf{m = \frac{12 - 8}{2 -1}}[/tex]
[tex]\mathbf{m = 4}[/tex]
The equation is then calculated as:
[tex]\mathbf{y = m(x -x_1) + y_1}[/tex]
So, we have:
[tex]\mathbf{y = 4(x -1) + 8}[/tex]
[tex]\mathbf{y = 4x -4 + 8}[/tex]
[tex]\mathbf{y = 4x +4}[/tex]
Hence, this statement is true
(b) The graph is nonlinear
Because of (a) above, the graph is linear
Hence, this statement is false
(c) The relation is a function
A linear relation is a function
Hence, this statement is true
(d) The rate of change is not constant
Because of (a) above, the rate of change is constant
Hence, this statement is false
(e) The graph is linear
Because of (a) above, the graph is linear
Hence, this statement is true
Read more about linear relations at:
https://brainly.com/question/7988877
a = -5 b= 7
-2b + a
( Worth 10 points)
Answer:
-19
Step-by-step explanation:
so you are just going to substitute in -5 for a and 7 for b.
-2(7)+ (-5)
Hans is sitting in a movie theater, 19 meters from the screen. The angle of elevation from his line of sight to the top of the screen is 15°, and the angle of depression from his line of sight to the bottom of the screen is 22°. Find the height of the entire screen. Do not round any intermediate computations. Round your answer to the nearest tenth.
Answer:
12.8 m
Step-by-step explanation:
From the diagram :
Height PR = 19m
Using Pythagoras :
From triangle PQR:
QR = x
Tan θ = opposite / Adjacent
Tan 22° = x / 19
x = tan 22° * 19
x = 0.4040262 * 19
x = 7.6764982 m
From triangle PRS:
SR = y
Tan θ = opposite / Adjacent
Tan 15° = y / 19
y = tan 15° * 19
y = 0.2679491 * 19
y = 5.0910346
Height of entire screen :
(7.6764982 + 5.0910346) m
= 12.7675328 m
= 12.8 m
(-2x) x 8x
Urgent!!
Step-by-step explanation:
multiply both the variable
Mari and Rob are making a poster for the science fair. They need to figure out how much a rock that weighs 7 pounds on Earth would weigh on Mars. They know that they can multiply the amount the rock weighs on Earth by 0.38 to find its weight on Mars. Circle the partial products Mari and Rob would need to add to find the product of 7 and 0.38. Mark all that apply. Which problems will have two decimal places in the product? Mark all that apply.
Answer: a big rock
Step-by-step explanation: i am just dumb and lazy
In ANOP, NO – PN and mZN = 140°. Find mZP. Please help me!
Answer:
20°
Step-by-step explanation:
If m∠N = 140° and NO = PN , then m∠O = m∠P = (180° - 140°) / 2 = 20°
Find the area of quadrilateral ABCD and RST.
Answer:
ABCD is 6 units 2×3=6
im not really sure about RST but i think it would be 4 or 5 units because it just looks like there is about that many inside.
We can see here that the area of quadrilateral ABCD = 12 units².
While the area for triangle RST = 5 units².
What is quadrilateral ?A quadrilateral is a polygon with four sides, four vertices, and four angles. The word "quadrilateral" is derived from the Latin words "quadri" (meaning "four") and "latus" (meaning "side"). Quadrilaterals are classified based on the lengths of their sides, the measures of their angles, and other specific properties.
Area of the parallelogram ABCD = B × H = 3 units × 4 units = 12 units².
Area of the triangle RST = 1/2bh = 1/2 × 5 units × 2 units = 1/2 × 10 units = 10/2 units = 5 units².
Learn more about quadrilateral on https://brainly.com/question/23935806
#SPJ2
An unknown number is not equal to 6.45 but rounds to 6.45 when rounded to the nearest hundredth. Which of the following could be the unknown number?
6.454
6.443
6.405
6.045
Answer:
The answer is 6.454
mark brainliest,
2/3 - 1/5
answer pls
list a few factors of 24?
Answer:
1,2,3,4,6,8,12,24
Step-by-step explanation:
slope of (-4,13) and (6,-2)
Answer:
-3/2
Step-by-step explanation:
You can do this using slope formula, y2-y1/x2-x1.
We first substitute in the numbers--> -2 - 13/ 6 - (-4)
Then we simplify to get--> -15/10 = -3/2
You could also graph the points and find the rise over run.
Hope this helps!
give one seggestion to avoid cyber bullying
BEING CAREFUL WHILE USING THE INTERNET
Answer:
Never post personal information Always check the TO: field Don't be gullible Don't respond to an angry message with anger Never open messages from strangers Don't forward chain mails, hoaxes or long emails Use the BCC: field when forwarding messages Proofread your messages Beware of certain topics Don't post anything that is very private
Which ordered pair(s) are solutions to the function f(x) = 6x-4
Answer:
(Look at comments)
Answer:
jnkj
Step-by-step explanation:
Help plz. I’ve been stuck for almost a hour
Answer: x=10 and y=25
Step-by-step explanation:
ok, so since we know straight angles=180 degrees, so since one part=100, the other smaller angle=80. This means that 11x-30=80 and 5y-25=100. 11*10=110, and 110-30=80, so x=10. 5*25=125, and 125-25=100, so y=25. And lol. me too. When I used to do these problems, I was stuck for a very, very long time. Just try to use logic most of the time.
Answer:
y = 25 and x = 10
Step-by-step explanation:
the angles on top and on bottom are equal so...
5y - 25 = 100
5y - 25 + 25 = 100 + 25
5y = 125
5y/5 = 125/5
y = 25
Every line is 180 degrees so we know that if the top and bottom angles are 100 then the other angles need to equal 80
11x - 30 = 80
11x - 30 + 30 = 80 + 30
11x = 110
11x/11 = 110/11
x = 10
the sum of two numbers is 18 their difference is 8
Answer:
13 and 5
Step-by-step explanation:
x+y=18
x-y=8
_____
2x=26
x=13
So the first number must be 13
13+y=18
y=5
And the second number must be 5
When we write out the system of equations, we will get:
x+y=18
x-y=8
We can then use elimination to get just one variable.
x+y=18
+x-y= 8
Which gives us: 2x=26
We then divide by 2 and get: x=13
We next plug that into one of the two equations and solve for the other variable: (13)+y=18
We subtract 13 from both sides and get: y=5
So the two numbers are 13 and 5.
~ I hope this helped, and I would appreciate Brainliest. ♡ ~ ( I request this to all the lengthy answers I give ! )
Josiah buys a video game for $20 plus a 6% tax. Elliot buys a basketball for $18 plus a 6% tax. Enter the difference in the amount Josiah and Elliot paid, including tax. Round your answer to the nearest cent.
3 John said that 3/50 equal to 0.006. What was his mistake?
PLEASEEE PLEASE HELPPP!!
Which property is illustrated by the equation
3x – 6y = 3(x - 2y)?
1. associative
2.Commutative
3.distributive
4.closure
Answer: 3. Distributive
Step-by-step explanation:
3(x -2y) = 3x - 6y To get from left to rigth, you have to multiply them which is the same as distribitue.
3(x) - 3(2y) = 3x - 6y
Suppose you deposit $3,000 in a savings account that pays 3.5% interest compounded quarterly. If no other money is added or withdrawn from the account, how much will be in the account after 5 years?
Answer:
$3,080
I Don't know how to deal with money.
PLEASE MARK BRAINLIEST
simplify:29√3(3 – 1)
9x - 4 = 5x - 4 + 4x
Answer:
X = 1
Step-by-step explanation:
HOPE THIS HELPS
am i answering the same question over and over again?
whatever
PLZ MARK BRAINLIEST
What is the slope of any line that is perpendicular to the line that contains the points (8, 8) and (12, 12)?
Answer:
slope(m)=-1
Step-by-step explanation:
let the point (8,8) and (12,12) be ([tex]x_{1}[/tex],[tex]y_{1}[/tex]) and ([tex]x_{2} , y_{2}[/tex])
slope of point([tex]m_{1}[/tex])=[tex]\frac{y_{2}-y_{1} }{x_{2} -x_{1} }[/tex]
=(12-8)/(12-8)
=1
let the slope of perpendicular line to given point be [tex]m_{2}[/tex]
now ,
[tex]m_{1} m_{2}[/tex]=-1
so [tex]m_{2}[/tex]=-1
–13x − 15y = –18
to slope intercept form
Answer:
y= - 13/15x + 6/5
Step-by-step explanation:
determine type of triangle PLZZ ASAP
Answer:
scalene right
Step-by-step explanation:
no side congruent and right
The prime factorizations of 16 and 24 are shown below. 1 Prime factorization of 16: 2, 2, 2, 2 Prime factorization of 24: 2, 2, 2, 3 Using the prime factorizations, what is the greatest common factor of 16 and 24?
o 2
o 2'2
o 2'2'2
o 2'2'2'2'3
lisa purchased almonds for 3.50 per round. she spent a total of 24.50, how many pounds of almonds did she purchase?
Answer:
7 pounds
Step-by-step explanation:
In order to find the answer to this question add the cost of a pound worth of almonds to the total amount of money she spent altogether in till you cannot add anymore.
[tex]3.50+3.50=7.00[/tex]
[tex]7.00+3.50=10.50[/tex]
[tex]10.50+3.50=14.00[/tex]
[tex]14.00+3.50=17.50[/tex]
[tex]17.50+3.50=21.00[/tex]
[tex]21.00+3.50=24.50[/tex]
=[tex]7lb[/tex]
Check work:
[tex]3.50\times7=24.50[/tex]
Hope this helps
Answer:
Step-by-step explanation:
3.50 per pound
Let each pound represent x
Total of almonds bought is 24.50
therefore 3.50x = 24.50
x = 24.50 ÷3.50
x= 7
As you can see I NEED HELP!
-14 is right after -15
-3 is the 3rd point left of 0
-8 is the 8th point left of 0
Choose the graph of this equation.
Answer:
C
Step-by-step explanation:
the y-intercept is -2 and the slope is up 3 left two which is -3/2