1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
allsm [11]
3 years ago
15

Find the perimeter of the polygon defined by the coordinates (5, 8), (12, 0), (-5, 0), and (-12, 8). (Round to nearest tenth)

Mathematics
1 answer:
Wewaii [24]3 years ago
4 0

 

\displaystyle\\\text{We have the points:}\\E(5,~8)\\F(12,~0)\\G(-5,~0)\\H(-12,~8)\\\\EF=\sqrt{(5-12)^2+(8-0)^2}=\sqrt{(-7)^2+8^2}=\\=\sqrt{49+64}=\sqrt{113}\approx\boxed{\bf10.63}\\\\FG=12-(-5)=12+5=\boxed{\bf17}\\\\GH=\sqrt{(-5-(-12))^2+(0-8)^2}=\sqrt{7^2+(-8)^2}=\\=\sqrt{49+64}=\sqrt{113}\approx\boxed{\bf10.63}\\\\HE=|-12-5|=|-17|=\boxed{\bf17}\\\\P=EF+FG+GH+HE=10.63+17+10.63+17=55.26\approx\boxed{\bf55.3}\\\\\text{Correct answer: }~B)

You might be interested in
Is this correct? 35 points
makvit [3.9K]

Yes it is correct

Hope this helps ^_^

8 0
3 years ago
Read 2 more answers
Problem
Sergeu [11.5K]

The lengths of HJ and JK are 50 and 72 respectively.

Given: J is between H and K. the length of HJ=2x+4, JK=3x+3, and HK=22.

The line HJ and JK are  collinear then the total length is given as: HJ+JK=HK

substitute values

⇒ (2x+4)+(3x+3)=22

⇒ 5x+7=22

⇒ 5x=22-7

⇒ 5x=15

⇒ x=3

Thus, the length of HJ is (2x+4)=(2*3+4)=10

And the length of JK is (3x+3)=(3*3+3)=12

Learn more about collinear lines here: brainly.com/question/27943430

#SPJ10

8 0
2 years ago
Read 2 more answers
5. In a dilation what mathematical operation is used with th scale factor?
xxMikexx [17]

Step-by-step explanation:

multiplication is the mathematical operation used with scale factor

6 0
3 years ago
Lines AB and CD (if present in the picture) are straight lines. Find x. Give reasons to justify your solutions.
Olin [163]

Answer:

WORDS: The value of x is 15.

EQUATION: x = 15

Step-by-step explanation:

1. AB is a straight line therefore angles AOF, FOG, and GOB total 180º

2. If ∠FOG = 90º, AOF + GOB = 90º by subtraction & substitution property

3. 5x - 15 + 2x = 90 (now solve) --> by substitution

4. 7x - 15 = 90 --> by C.L.T. or <u>C</u>ombine <u>L</u>ike <u>T</u>erms

5. 7x = 105 --> by C.L.T. or <u>C</u>ombine <u>L</u>ike <u>T</u>erms

6. x = 15 --> by inverse operations (division)

Hope this helps!

8 0
3 years ago
Help lol <br> question 1 and 2 <br> 15 points
DiKsa [7]

Answers:

  1. Choice B) y = (1/4)x
  2. The unit rate is <u>  3.89  </u> dollars per pound. It costs <u>  23.34  </u> dollars for a turkey that weighs 6 pounds.

=====================================================

Explanations:

  1. Direct proportional equations are always in the form y = kx, where k is some constant. In the case of choice B, we have k = 1/4. Visually, direct proportion equations are always straight lines and go through the origin.
  2. Divide $34.99 over 9 to get 34.99/9 = 3.88777 approximately. This rounds to 3.89, so it costs $3.89 per pound. That's the unit rate. Multiply this by 6 to get 6*3.89 = 23.34 which is the cost of the 6 pound turkey.
6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the difference between the negative key and the subtraction key? Please answer the question in complete sentences and I
    15·1 answer
  • Which equation is correct?<br>sin hº = Z÷x<br>sin h°= x÷z<br>cos h°=z÷x<br>cos h°=x÷z​
    14·1 answer
  • What is 20/50 in present
    11·1 answer
  • Gary ate 21/25 of his candy bar. What percent of the candy bar did Gary eat?
    6·2 answers
  • Make an equation for the following word problem:
    5·2 answers
  • Suppose A, R, and B are collinear on AB, and AR:AB= 1/5. What are the coordinates of R?
    12·1 answer
  • How many one-thirds are in one-sixth?
    10·2 answers
  • <img src="https://tex.z-dn.net/?f=%20%20%5Csqrt%7B8x%20%2B%2012%20%2B%204%20%3D%2010%7D%20" id="TexFormula1" title=" \sqrt{8x +
    10·1 answer
  • What is the volume?<br><br> Plzzz help
    6·1 answer
  • What is the LCD of 1/6 and 5/4
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!