Please help, I don’t understand at all.

Answers

Answer 1

Answer: In the given triangle ,
4x +13 +6x+ 2 = 14x-13 ( exterior angle property )
10x +15=14x-13
10x-14x=-13-15
-4x=-28
=> x = 7
Hope it helps
:)

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Rotate this -90 degrees and send me new cordinates

What is the solution of the system defined by y = -x + 5 and 5x + 2y = 14?

Answers

The two equations given in the question are
y = - x + 5
and
5x + 2y =14
Now we will have to put the value of y from the first equation in the second equation and then calculate.
5x + 2y = 14
5x + 2(-x + 5) = 14
5x - 2x + 10 = 14
3x = 14 - 10
3x = 4
x = 4/3
Now we have to put the value of x in the first equation for determining the value of y
y = - x + 5
   = - (4/3) + 5
   = (15 - 4)/3
   = 11/3
So the value of x is 4/3 and the value of y is 11/3.

NEED HELP AND FAST!
WILL GIVE BRAINLEST TO HOWEVER ANSWERS CORRECTLY.

Answers

Answer:

Polygon name: Quadrilateral

Sides: 4

Angles: 4

Concave

Step-by-step explanation:

This polygon has 4 sides, so it is a quadrilateral. It also has 4 angles. One of the interior angles is greater than 180 degrees, meaning that this polygon is concave.

In this figure, AFC=EFC. Which statement must be true?a) AD Perpendicular EB
b) EB Perpendicular CA
c) AD Perpendicular CE
d) CF Perpendicular AE

Answers

Answer:

The statement is true is CF Perpendicular AE .

Option (d) is correct.

Step-by-step explanation:

As given

∠AFC = ∠EFC

Let us assume that the measure of ∠AFC be x.

Thus

∠AFC = ∠EFC = x

∠AFC + ∠EFC = 180° (By Linear pair property)

x + x = 180°

2x = 180°

$x = (180)/(2)$

x = 90°

Thus

∠AFC = ∠EFC = 90°

Therefore CF is perpendicular to AE .

Option (d) is correct.

The answer is D, because AFC=EFC the CF is perpendicular to AE

Solve the equation r+11+8r=29

Answers

Combine like terms: r+8r=9r. subtract 11 from both sides 9r=18. r=2

Ok so lets evaluate this equation. First,we have to combine like terms which in this case us r only. So lets do it r+8r is simply 9r+11=29 so now since we want to isolate or in other terms get r the variable by itself we would have to subtract 11 form both sides. 29 -11 is simply 18 now we have 9r=18 divide 9 on both sides and r is equal to 2

HURRYY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!What is the name of the relationship between
∠1 and ∠5 ?

corresponding angles

adjacent angles

alternate interior angles

alternate exterior angles

Answers

corresponding angles is the answer

A group of 25 students want to see a drake concert. Tickets for members of drakes fan club cost $20 and tickets for no members cost $25. The total cost for tickets is $550

Answers

If you would like to know how many of each type of ticket were sold, you can calculate this using the following two equations:

a ... the number of drakes fan club tickets
s ... the number of no members tickets

$550 = a * $20 + s * $25 ... 550 = 20 * a + 25 * s
a + s = 25 ... a = 25 - s
__________________
550 = 20 * a + 25 * s

550 = 20 * (25 - s) + 25 * s

550 = 20 * 25 - 20 * s + 25 * s

550 - 20 * 25 = 5 * s

550 - 500 = 5 * s /5

s = 50 / 5

s = 10 tickets

a = 25 - s = 25 - 10 = 15 tickets

Result: There were 15 drakes fan club and 10 no members tickets sold.

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