Answers
Answer:
45° and 12
Step-by-step explanation:
The sum of the exterior angles of a polygon = 360°
(8)
The polygon has n = 8, that is 8 exterior angles, thus
exterior angle = 360° ÷ 8 = 45°
(9)
The number of sides n is
n = 360 ÷ 30 = 12
Answer:
45° 12 sides
Step-by-step explanation:
1) Every polygons interior angles is equal to 180 times two less than the amount of sides it has (i.e 180•(4-2)=360:quadrilateral) So applying that here we have eight sides so 180(8-2)=1080. Now divide that by 8 to get the measure of one angle and subtract it from 180 to get the exterior angle 45°
2) if the exterior angle is 30° then the interior angle is 150°. For this part i guess and checked but you can refer to the equation above. (180(x-2)=y/150)
Related Questions
Find the slope of the line passing through the points (-7, -3) and (6,-3
Answers
Answer:
-9/-1 is the slope
Step-by-step explanation:
-3-3/-7+6
PLEASE HELP ASAP WILL CHOOSE BRAINLIEST FOR CORRECT ANSWER GIVING 20 PTS
System A-
-x-2y=7
5x-6y=-3
Solution: (-3, -2)
Choose the correct option that explains what steps were followed to obtain the system of equations below.
System B:
-x-2y=7
-16y=32
A. To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by 3. The solution to system B will be the same as the solution to system A.
B. To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by -6. The solution to system B will not be the same as the solution to system A.
C. To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by -5. The solution to system B will not be the same as the solution to system A.
D. To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by 5. The solution to system B will be the same as the solution to system A.
please helpp and take ur time
Answers
Answer: A. To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by 5. The solution to system B will be the same as the solution to system A.
System A :
-x - 2y = 7 ..........(1)
5x - 6y = -3 ..........(2)
If we multiply the first equation by 5, then we will get :
5(- x - 2y) = 5(7)
⇒ - 5x - 10y = 35 ........... (3)
Now the Sum of equation (2) and equation (3) is:
⇒ Sum :
Now if we replace the second equation in system A with this , then we will get the system B.
Solution of system B:
First we will take the second equation as there is only one variable 'y'. So, we will solve that equation for 'y'
Now for solving 'x', we will plug y= -2 into the first equation
So, the solution of system B is (-3, -2), that means the solution of both systems are same.
Step-by-step explanation:
Answer: D:
To get system B, the second equation in system A was replaced by the sum of that equation and the first equation multiplied by 5. The solution to system B will be the same as the solution to system A.
Step-by-step explanation:
Write an integer that is located on a number line between the given integers.
13. -3,8
14. -24,22
15. -5,9
16. 0,4
17. -2,2
18. -17,-15
Answers
The sum of three consecutive numbers is 84. What is the largest of these numbers? (5 points) a 28 b 26 c 29 d 27
Answers
Answer:
The answer is c.29
Step-by-step explanation:
I used Google xD
Answer:
Largest number = 29
Step-by-step explanation:
Let the consecutive numbers by (x + 1) ; (x + 2) and (x +3)
x +1 + x + 2 + x + 3 = 84 {Combine like terms}
x + x +x + 1 + 2 + 3 = 84
3x + 6 = 84
3x = 84 - 6
3x = 78
x = 78/3
x = 26
Largest number = x + 3 = 26 + 3
=29
23.82600 round to three significant figures
Answers
Answer:
23.8 i think
Step-by-step explanation:
Answer:
[tex]23.83[/tex]
Step-by-step explanation:
[tex]--------------------------------------------[/tex]
According to Maths3000, Rounding to 3 significant figures is probably the most common way of rounding off. Rounding the number off to 3 significant figures means you require 3 non-zero digits from the start of the number. So in example 1, 27.1258 gets rounded to 27.1 figures.[tex]--------------------------------------------[/tex]
It is 23.83 because rounding by three significant figures is picking three of the last numbers, and rounding the 4th number. In this case, 6 is more than 5, so 23.82 becomes 23.83
[tex]--------------------------------------------[/tex]
Hope this helps! <3
[tex]--------------------------------------------[/tex]
given f(x)=-x-2, find f (-6)
Answers
You plug -6 into the equation and you get
-6-2= -8
NEED ASAPPPPPPPPPPPPPPPPP HURRY
Answers
Answer:
what
Step-by-step explanation:
Help me on letter b please
Answers
Then, simplify the product.
Finally, subtract the numbers.
Your final answer is 3.
Answer:
Answer: 2
Step-by-step explanation:
[tex](a-b)(a+b)=a^{2}- b^{2}[/tex]
[tex](\sqrt{5}-\sqrt{2} )(\sqrt{2}+\sqrt{5} )\\(\sqrt{5})^{2} -(\sqrt{2} )^{2}\\5-2=3[/tex]
using the substitution property of equality, if y= -5 and 7y + x = 11, then ___
Answers
please I need help... Mrs. Morales wrote a test with 15 questions covering spelling and vocabulary. spelling questions (x) are worth 5 points and vocabulary questions (y) are worth 10 points the maximum number of points possible on the test is 100
Answers
Answer:
5x+10y=100
Step-by-step explanation:
sixty-seven AND ninety-four THOUSANDTHS in standard form.
Answers
Answer:
Yes it's standard form lol
Step-by-step explanation:
Will mark brainliest for whoever answers
Answers
Answer:
the third one
Step-by-step explanation:
Answer: A
Step-by-step explanation:
How many solutions does a system of equations have when solving results in the statement 3=5
Answers
Answer:
No solutions
Step-by-step explanation:
Answer:
they usually have the sum of an answer that they divided
Step-by-step explanation:
4. Solve the system of equations. (6 points)
2x-3y - 21
-6x+2y = 7
Part I: Explain the steps you would take to solve the system by eliminating the x-terms. (1 point)
Part II: Explain the steps you would take to solve the system by eliminating the y-terms. (2
points)
Part III: Choose either of the methods described in parts I or II to solve the system of equations.
Write your answer as an ordered pair. Show your work. (3 points)
Answers
Then, I would subtract the second row from the first row to make 7y=-70
Next, divide both sides by 7 to solve for y. y = -10.
2) To eliminate the y-terms, I would multiply the first equation by 2 and the second equation by -3. It will make 4x-6y=42 and 18x-6y=-21.
Now, subtract the two equations to make -14x=63.
Lastly, divide both sides of the equation by -14 to find x. x = -9/2
3) The answer as an ordered pair is (-9/2, -10).
Have a wonderful day✨❤️
Help yall girl for 30 point
Answers
Answer:
cant help ya but if you go to math_way they help with all sorts of stuff like this
Step-by-step explanation:
sorry!
Plz plz plz help
I’ll give brainliest to first correct answer!
Graph y=2/3x
Answers
Answer:
Graph for 0.666667*x
Step-by-step explanation:
that what i found
Which of the following functions is graphed below
Answers
Answer:
D
Step-by-step explanation:
My dog, Lilly, weighs 3.8 pounds.
Round this to the nearest whole
number (ones place).
Lilly weighs about [?] pounds.
Answers
Answer:
4 pounds
Step-by-step explanation:
Since 8 is above 5 you would round the 3 up to a 4
(click the brain on the top right of my answer)
Answer:
4 pounds
Step-by-step explanation:
dang. Yall need to stop harrassing a girl for what she asks for. If she asks for perfume, she gets perfume. Nothing wrong with that. Comment if you agrreee/
Answers
Answer:
._.
Step-by-step explanation:
If she has money, she gets stuff. If she broke, doesn't work/help, and expects another person to buy it for her, she ain't gonna get anything. Either way, she better work for that perfume.
Answer:
h*ll yes theyre still human i dont know why people care about that stuff
Step-by-step explanation:
if they deserve it then who cares
what is the value of sin 70
Answers
0.77389068155
EXPLANATION
sin 70 = 0.77389068155
..
......
Can someone please put these in order from least to greatest? Thanks
12x+6y=18
-0.5
12x+1.75
4
Answers
Answer:
Luna wanna play among us with me (sorry I’m bored) the code is: PXQMKF
Step-by-step explanation:
Which choices are solutions to the following equation?
Check all that apply.
x^2 - 3x = -5/4
Answers
Answer:
The answer to this question is C.
Write the equation of the line with the given point and slope: (−5, −3) slope=−35
Answers
Answer:
Slope-intercept form: y = -35x - 178
Point slope form: y + 3 = -35 x (x + 5)
Step-by-step explanation:
I NEED HELP NOW PLEASE
Which decimal represents the portion that is NOT shaded?
0.003
0.03
0.3
3.0
Write how u solved it
Answers
Answer:
I think its 0.03 but I'm not a 100 percent sure
Look at this graph: 100 90 80 70 60 50 40 30 20 10 Х 0 10 20 30 40 50 60 70 80 90 100 What is the slope?
Answers
Can you help with 3,5,6 please Also can you explain how you did 5 please I dont understand well
Answers
Answer:
3) 46 5) 19.5 6) 31.2
Step-by-step explanation:
all the "y" numbers are the product of the "x" numbers being added or subtracted by something. In 5, y=x-1.5
(2, 6) & (2,7)
Find the slope
Answers
Answer:
1/0 or undefined (use undefined)
Step-by-step explanation:
7-6= 1/0
2-2=
1/0 isn't a real slope so it's undefined...
How do I solve for x
Answers
22\10=(7x-1)\(3x+1)
66x+22=70x-10
4x-32=0
4x=32
X=8
8 is 16 times what number
Answers
Answer:
1/2
Step-by-step explanation:
If you need an explanation just comment
Answer:
2 and you are in high school learning that?
Step-by-step explanation:
Jina is saving money to buy a bike. She has $63 and is going to save an additional $9 each week. The bike costs $198. In how many weeks will she have
enough money to buy the bike?
(a) Write an equation that could be used to answer the question above.
First, choose the appropriate form. Then, fill in the blanks with the
numbers 63, 9, and 198. Let w represent the number of weeks.
Answers
Answer:
Jina will have enough money to buy the bike in 15 weeks
Step-by-step explanation:
y = mx + b
198 = 9x + 63
Subtract 63 from both sides;
135 = 9x
Divide both sides by 9;
x = 15