Ask question

Ask question

All categories

2 years ago

8

Find the value of x x = __

1 answer:

asambeis [7]2 years ago

4 0

Answer:

x=9

Step-by-step explanation:

By the Isosceles Triangle Theorem the angles opposite to the congruent angles in an isosceles triangle are congruent.

So 2x-10=8

x=9

You might be interested in

If (a+b)^2=54, and (a-b)^=46, then a^2+b^2=?

erastovalidia [21]

$(a+b)^2 =a^2 +b^2 + 2ab = 54~~~.....(i)\\\\(a-b)^2 = a^2 +b^2 -2ab = 46~~~.....(i)\\\\\\(i)+(ii):\\\\(a+b)^2 +(a-b)^2 = 54+46\\\\\implies a^2 +b^2 + 2ab + a^2 +b^2 - 2ab =100\\\\\implies 2a^2 +2b^2 =100\\\\ \\\implies 2(a^2 +b^2) =100\\\\\implies a^2 +b^2 = \dfrac{100}2 = 50$

4 0

2 years ago

Please answer BOTH questions

Lera25 [3.4K]

Answer:46.28, 193.75

Step-by-step explanation:

The first one you add (((2.5+4.7)x3.05)+1.18)x2. And the second one you (7.50+0.25)x25.

4 0

2 years ago

Help on this one question please!!

Mandarinka [93]

The correct answer is B.)

5 0

3 years ago

What is the coefficient of abc when the product (a + 2b)(b + 2c)(c + 2a) is expanded and

oksian1 [2.3K]

Answer:

The coefficient is 9

Step-by-step explanation:

(a)(b)(c)+(a)(2c)(2a)+(2b)(b)(c)+(2b)(2c)(2a)

abc+4ca^2+2cb^2+8abc

9abc+4ca^2+2cb^2

8 0

3 years ago

Which city is the birthplace of Islam?<br> A) Jakarta <br> B) Jerusalem <br> C) Mecca <br> D) Medina

padilas [110]

The answer to your question is C) Mecca

Have a lovely day!

3 0

3 years ago

Read 2 more answers