! Angle Measurement of Polygons !
~Help my brainless self-~

! Angle Measurement Of Polygons ! ~Help My Brainless Self-~
! Angle Measurement Of Polygons ! ~Help My Brainless Self-~

Answers

Answer 1

Answer:

b) 123

Step-by-step explanation:


Related Questions

350/100 of the revenue

Answers

Answer:

3.5

Step-by-step explanation:

Given that f(x) = x + 3/2

a) Find f(2)
b) Find f^-1(x)
c) Find f^-1(12)

Answers

Step-by-step explanation:

f(x) = x + 3/ 2

For a

f(2) = 2 + 3 / 2

= ( 4 + 3 ) /2

= 7/2

For b

f(x) = x + 3/2

f^-1(x) = ?

Let y = f(x)

y = x + 3/2

Interchanging the roles of x and y we get,

x = y + 3 / 2

y = x - 3 / 2

Therefore f^-1(x) = x - 3 / 2

For c)

f ^ -1(12) = 12 - 3 / 2

= (24 - 3) / 2

= 21 / 2

Hope it will help :)

is x equals 12 a solution to the equation 6 + x = 19​

Answers

Answer:

13

19 minus 6 is equal to 13 so your answer would be thirteen

Which one is longer?

Aslinky that is 26 inches long
Bslinky that is 2 feet long
C they are equal

Answers

Answer: A.

Step-by-step explanation:

Slinky A is 26 inches there are 24 inches in two feet so slinky B isn’t longer. Then they are obviously not equal because we figured out they have different lengths

PLz, help I really don't understand these problems at all.
Click here to see the screenshot

Answers

Answer:

1. $65,000

2. A 4 and 2 mile hike

3. B 4.00

4. C multiplication

Step-by-step explanation:

I need help on this question

Answers

Answer:

D

Step-by-step explanation:

The correct answer is D because the X axis has the point intersecting at 0 and the Y axis has the same point intersecting at -2

Jamie need to earn more than $4,000 to pa his monthly bills. he earns a monthly salary of $2,500 plus an extra $75 for every electronic device he sells. Write an inequality to determine the minimum number of electronic devices Jamie needs to sell each month in order to have enough money to pay his monthly bills. Let d represent the number of electronic devices Jamie needs to sell each month. Help plz.

Answers

Answer:

hi

Step-by-step explanation:

hi

What is the slope of the line that passes through the points
(
4
,

2
)
(4,−2) and
(
24
,

17
)
?
(24,−17)? Write your answer in simplest form.

Answers

Answer:

-3/4

Step-by-step explanation:

Given the coordinates (4, -2) and (24, -17), we are to find the slope of the line passing through the points

Slope = y2-y1/x2-x1

Slope = -17-(-2)/24-4

Slope = -17+2/20

Slope = -15/20

Slope = -3/4

Hence the required slope is -3/4

Need Help 20 points plz.

Answers

9514 1404 393

Answer:

  the correct choices are shown

Step-by-step explanation:

Statement . . . . . Reason

1. c ║ d; ∠4 = ∠5 . . . . . Given

2. ∠4 = ∠7 . . . . . Alternate interior angles are equal

3. ∠5 = ∠8 . . . . . Vertical angles are equal

4. ∠7 = ∠8 . . . . . Substitution


Need help can’t find anyone else answering this one

Answers

Answer:

x =4

Step-by-step explanation:

a quadratic function that fits the points (0,5) (2,3) (4,9)

Answers

Answer:

Step-by-step explanation:

y=ax^2+bx+c we are given point (0,5) so if x=0, y=c, so c=5. We have two other points

(2,3)(4,9) which gives us

4a+2b+5=3 and 16a+4b+5=9

Subtracting twice the first from the second

16a+4b+5-8a-4b-10=9-6

8a-5=3

8a=8, so a=1, so using 4a+2b+5=3 we get

4(1)+2b+5=3

2b+9=3

2b=-6

b=-3 so our quadratic is

y=x^2-3x+5

the measure of b is?

Answers

Answer:

35.228

Step-by-step explanation:

Answer:

b=21

Step-by-step explanation:

For this problem we need to use Pythagorean theorem (a^2+b^2=c^2):

20^2+b^2=29^2

Simplify the squares:

400+b^2=841

Subtract 400 from both sides:

b^2=441

Take the square root of both sides:

b=21

HTH :)

Help Julie has the boxes of pens

Answers

Answer:

A=C+16

Step-by-step explanation:

Evaluate the following expression: 8x - 6 - 7y + 3 use x=3 and y=6

Answers

Answer:

-27

Step-by-step explanation:

8x - 6 - 7y + 3

X = 3 Y = 6

8(3) - 6 - 7(6) + 3

8 x 3 = 24

7 x 6 = 42

24 - 6 - (42 + 3)

(24 - 6) - 45

18 - 45 = -27

What is 3/4 x 6 , simplified .

Answers

Answer:

9/2

Step-by-step explanation:

3/4 x 6 can be thought of as multiplying 3/4 x 6/1

When multiplying fractions, multiply the numerator (top number) with the numerator, and the denominator with the denominator.

3/4 x 6/1 = (3x6)/(4x1)

3/4 x 6/1 = (18)/(4)

3/4 x 6/1 = 9/2

Let me know if this helps!

Answer:

92/

Step-by-step explanation:

3/4×6

18/4

9/2

hope it's helpful ❤❤❤❤

THANK YOU.

#

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Find the slope of the line that passes through:
(6,7) and (4,2)
1
2.
5
5
2

Answers

Answer:

slope is 5/2

Step-by-step explanation:

5 over 2

5 2/5 divided by 9/10

Answers

Answer:

Step-by-step explanation:

5 2/5 = [(5*5)]+2 / 5 = (25+2) / 5 = 27/5

(27/5)/(9/10) = 27/5 * 10/9

cross cancel 27 becomes 3 and 9 becomes 1, 5 becomes 1 and 10 becomes 2

= 3/1 * 2/1 = 6/1 = 6

pls help ;/ not hard btw




Simplify the following and write with positive exponents:

5z-5(3z)-2

Answers

Answer:

[tex] - 10z - 2[/tex]

Step-by-step explanation:

this is simplify

What is the acceleration of a car that goes from 65 km/s to 125 km/h in 5 seconds?
PLEASE SHOW WORK!

Answers

answer :
A = 125 km/h - 65 km/h divided by 5
A = 60 km/h divided by 5
A = 12 km/h2

Mary needs to buy 4 concert tickets and one parking pass. If parking is $12, and she can spend at most $80, what ticket prices can she afford? (set up an inequality, do not solve)

Answers

Answer:

4t + 12 [tex]\leq[/tex] 80

Step-by-step explanation:

Set up an inequality where t is the cost of one ticket

Since her budget is $80, a less than or equal sign needs to be used.

4t will represent the total cost of the tickets, since she needs to buy 4. Add 12 to this to represent the parking cost:

4t + 12 [tex]\leq[/tex] 80 is the inequality.

14.2 is 35.5% of what number w?

Answers

w = 40
the rest is shown in the image below

What is the equation of the line that passes through the point (-8,-6) and
has a slope of 1/4

Answers

Answer:

y = 1/4x -4

Step-by-step explanation:

Since you know that that slope int. equation is y = mx+b, and the m is the slope just plug in the slope in the equation. So it will be y = 1/4x + b.

Then what you will do is solve for b in the equation. So what you do is plug in the x and y value from the coordinate given in the equation, so it will be like this:  -6 = 1/4(-8) +b

                -6 = -2 +b

                -4 = b

                  b = -4

So then you plug back the b value into the equation with slope to wtite the equation. So it would be, y = 1/4x -4


12. Sydney Star bought a new sweatshirt for $42.00. Sales tax was 8%.
After tax, what was the total cost she paid for the sweatshirt? *
$8.00
$38.64
$3.36
$45.36

Answers

Answer:

$45.36

Step-by-step explanation:

100 + 8 = 108

42/100 X 108 = 45.36

100 + 8 = 108

42/100 X 108 = 45.36

HURRYYYYY

What does "Slope-Intercept Form" look
like?

Xb+c=y
y = mx + b
y2 - 71
X2 - X1
AX + By = 2

Answers

Answer:

y=mx+b

Step-by-step explanation:

the second answer

y=mx+b m=slope b=y intercept

1 of 5
The ratio of boys to girls in a class is 3:4. There are 35 students in the class. How many
students are girls?

Answers

Answer:20 girls

Step-by-step explanation:the difference between 3 and 4 is one so there will be a difference of one between the 2 questions.

Help me with my homework pls :)

Answers

Answer:

That smile tho lol

anywayssssss

b= 16 mm

Step-by-step explanation:

Pythagorean theorem is a^2 + b^2= c^2, so-

12^2 +b^2= 20^2

144+b^2=400

b^2=400-144

b^2= 256

b= 16

Answer:

16 mm

Step-by-step explanation:

A²+B²=C²

12²+x²=20²

144+x²=400

x²=400-144

x²=256

√x = √256

x = 16

Find x, the height of the tree. (Decimal Answer)

Answers

Answer:

i think it is 15.9 but that is only if the two triangles are congruent

Step-by-step explanation:

Please help right now why no one is answering me

Answers

Answer:

(0,0) .......................

Which of the following is a reflection of ( 2,4 ) across the x-axis?

a -2, 4

b 2, -4

c 4, 2

d -2, -4

Answers

Answer:

(2,-4)

Step-by-step explanation:

(2,4) is located in Quadrent I (+,+), if you reflect over the x-axis, it would be in Quadrent IV (+,-).

if you dont understand I suggest you draw a coordinate plane on a graphing notebook.


please answer thoroughly :) ​

Answers

Answer:

Step-by-step explanation:

a.10/16
b. 7/8
Method is written in the picture below for b.
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