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
marshall27 [118]
3 years ago
8

Answer These For Me Please, I’d Really Really Appreciate It So Much :), Appropriate Answers Only!!!

Mathematics
1 answer:
tresset_1 [31]3 years ago
5 0
1. Notice that our quadrilateral is EFGH is an isosceles trapezoid, so line segment FE is congruent to line segment GH. Knowing this, we can equate the measures for both sides and solve for n:
FE=GH
4n-11=2n+5
2n=16
n= \frac{16}{2}
n=8
Now wen substituent the value of n in GH:
GH=2n+5
GH=2(8)+5
GH=16+5
GH=21
<span>We can conclude that the length of GH is 21 units.
</span>
2. To solve this we are going to use the formula: S=(n-2)180
where 
S is the sum of the interior angles of the polygon.
n is the number of sides of the polygon.
We know form our problem that the measures of the interior angles of the polygon is 3420°, so the sum if the interior angles of the polygon is 3420°. Lets replace that value in our formula and solve for n:
S=(n-2)180
3420=(n-2)180
3420=180n-360
3060=180n
n= \frac{3060}{180}
n=17
We can conclude that the polygon has 17 sides.

3. We can infer from our pictures that both triangles are right triangles, so to find their areas, we are going to find their bases and their heights, and then we are going to use the formula for the area of a triangle: A= \frac{1}{2}bh
where
b is the base of the triangle 
h is the height of the triangle 
For triangle ABC:
We can infer from our picture that the base of our triangle is the line segment AC and the height is the line segment AB. Using the distance formula:
d= \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}
d_{AC}= \sqrt{(-7--7)^2+(5--1)^2}
d_{AC}= \sqrt{(-7+7)^2+(5+1)^2}
d_{AC}= \sqrt{6^2}
d_{AC}=6
b=6
d_{AB}= \sqrt{(-4--7)^2+(-1--1)^2}
d_{AB}= \sqrt{(-4+7)^2+(-1+1)^2}
d_{AB}= \sqrt{3^2}
d_{AB}=3
h=3
Now we can find the area of our triangle:
A= \frac{1}{2} bh
A= \frac{1}{2} (6)(3)
A=9 square units 

For triangle DEF:
base=DF and height=FE
Using the distance formula:
d_{DF}= \sqrt{(2--2)^2+(-3--3)^2}
d_{DF}=  \sqrt{(2+2)^2(-3+3)^2}
d_{DF}= \sqrt{4^2}
d_{DF}=4
b=4
d_{FE}= \sqrt{(2-2)^2+(1--3)^2}
d_{FE}= \sqrt{(1+3)^2}
d_{FE}= \sqrt{4^2}
d_{FE}=4
h=4
Using the are formula:
A= \frac{1}{2} bh
A= \frac{1}{2}(4)(4)
A=8 square units 
We can conclude that the area of triangle ABC is greater than the area of triangle DEF.

You might be interested in
What is a solution of the inequality shown below? -1 + x &lt; -10​
MA_775_DIABLO [31]

let's solve :

  • -1 + x < -10

  • x < -10 + 1

  • x < -9
8 0
2 years ago
Read 2 more answers
PLS HELP I GIVE BRAINLIEST
barxatty [35]

Answer:

<h2>MN</h2>

Step-by-step explanation:

If ΔLMN ≅ ΔXYZ, then corresponding angles and corresponding segments are congruent:

∠L ≅ ∠X

∠M ≅ ∠Y

∠N ≅ ∠Z

and

LM ≅ XY

MN ≅ YZ

LN ≅ XZ

7 0
3 years ago
Read 2 more answers
This is the law states that, in any process, energy is nethier created nor destroyed. It can only be converted from one form to
natulia [17]

Answer:

It is known as the Law of conservation of energy

7 0
3 years ago
Read 2 more answers
A baby weights 18 pounds at her four month appointment. Six months later she weights 24 pounds. By what percentage did the baby’
Anna11 [10]

Answer: 25%

Step-by-step explanation:

Given : Previous baby's weight = 18 pounds

New baby's weight =  24 pounds.

Increase in weight = New weight -Previews weight

=24 pounds - 18 pounds  =6 pounds

Percentage increase in baby's weight ==\dfrac{\text{Increase in baby's weight}}{\text{previous weight}}\times100

\\\\=\dfrac{6}{24}\times100=25\%

Hence, the percentage increase in baby's weight = 25%

4 0
3 years ago
Find a linear equation whose graph is the straight line with the given property.
jeka57 [31]

Answer:

y = 3/4x - 9/8

Then read explanation and see here with 2 coordinates would make

if 3/4 = -6 then 1 = -8

y = -6x + c

-6 / 3/4  + 9/8 / - 0.5  = -2.25

therefore c = -2.25

y = -6x - 2.25

y = -6x - 9/4  and again 9/4 can be found easily if round up fraction decimal to 225/100 and divide by 4

Step-by-step explanation:

C1)    (0.5 , -0.75)

C2)   ( 1. -3.75)

y = mx + c

-3.75 - - 0.75  /   1 - 0.5  = -3.75 + 0.75 / 0.5

= -3 / 0.5 = m

m = -6

y = -6x + c

then this works given just one coordinate to solve for 1 or 2 sets given points

y - y1 = mx+c

y - - 0.75 =  0.75 (x - x1)

y + 0.75 = 0.75 (x - 0.5)

y + 0.75 = 0.75x - 0.375

y = 0.75 - 0.75   =  0.75x( - 0.375 - 0.75)

y = 0.75x -1.125

y = 3/4x - 9/8    as common denominators of 1125/1000 is 9/8 as we divide by  125 into the fraction as we start at 250 and check its half just like when finding common denominators we 1/4 the lower number and see if we can find its half or its double etc with the other num er as first step for 3sf numbers.

5 0
3 years ago
Other questions:
  • 20 PTS !
    6·2 answers
  • A shirt and a tie together cost $48 the shirt costs $22 more than the tie what is the cost of the shirt
    9·2 answers
  • The volleyball team is selling raffle tickets for $1.50 each. It wants to make at least $250 from the sales. Assume everyone buy
    6·2 answers
  • The time married men with children spend on child care averages 5.9 hours per week (Time, March 12, 2012). You belong to a profe
    15·1 answer
  • You want to find the equation for a line that passes through the point (3,-4) and has a slope of -1/2.
    5·1 answer
  • Set up and solve a system of equations to solve the problem.
    11·1 answer
  • U-haul rents a truck for $49.95 + $.75 per mile. ABC Truck Rental rents the same truck for $59.95 and $.50 per mile. The equatio
    8·1 answer
  • Answer Right For Brainliest upgrade
    7·2 answers
  • A pound of fertilizer covers 47 square feet of lawn. Vivian Bulgakov lawn measures 8735.8 square feet. How much to the nearest t
    10·1 answer
  • I’m needing some help with this
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!