All categories

3 years ago

HELP DUE IN 15 MINS!

Mathematics

2 answers:

devlian [24]3 years ago

8 0

Answer:

x = 10

Step-by-step explanation:

According to Midpoint of a segment theorem we can say that AE = EC

So,

2x - 10 = 8x - 70

=> First subtract 2x from each side of "="

-10 = 6x - 70

=> Now add 70 to both the sides.

60 = 6x

=> Lastly divide both sides of "=" by 6

10 = x

Hope this helps!

Mice21 [21]3 years ago

7 0

ANSWER:

As we know, diagonals of parallelogram (||gm) bisect each other.

So, AE = EC

2x - 10 = 8x - 70

2x - 8x = - 70 + 10

- 6x = - 60

x = 10

You might be interested in

Open to find question (mathematics)

BigorU [14]

Answer:

its a ...............................

4 0

3 years ago

LK is tangent to circle J at point K. Circle J is shown. Line segment J K is a radius. Line segment K L is a tangent that inters

Evgen [1.6K]

Answer:

$(B)r=\dfrac{85}{12}$

Step-by-step explanation:

Given a circle centre J

Let the radius of the circle =r

LK is tangent to circle J at point K

From the diagram attached

LX=6
Radius, XJ=JK=r
LK=11

Theorem: The angle between a tangent and a radius is 90 degrees.

By the theorem above, Triangle JLK forms a right triangle with LJ as the hypotenuse.

Using Pythagoras Theorem:

$(6+r)^2=r^2+11^2\\(6+r)(6+r)=r^2+121\\36+6r+6r+r^2=r^2+121\\12r=121-36\\12r=85\\r=\dfrac{85}{12}$

The length of the radius, $r=\dfrac{85}{12}$

8 0

3 years ago

Read 2 more answers

I have an easy and quick question. So the picture shows an answered question but how do you know to divide? I just don't underst

11111nata11111 [884]

Answer:

Ok so u know to divide bc u r trying to isolate the variable and that means undoing the function in this case 0.6 is multiplied to p so u do the opposite which is division

tada

Hope this helps :)

Pls give brainliest XD :)

8 0

2 years ago

Read 2 more answers

Find the sum (6x2+8x+8)+(12x3-12x2-2x)

Maslowich

The sum is 12x3+18x2-10x+8

7 0

2 years ago

III

irakobra [83]

Answer:

101in

Step-by-step explanation:

9*5=45

9*4=36

5*4=20

45+36+20=101

3 0

2 years ago