Find the value of x if 5^2 ×5^x-5 =625

Given:

To find:

The value of x.

Solution:

We have,

It can be written as

Using property of exponents, we get

Comparing the exponents on both sides, we get

Adding 3 on both sides, we get

Therefore, the value of x is 7.

answer: option a.

step-by-step explanation:

you know that the quadrilateral opqr ( a four sided figure) is inscribed in circle. this means that all its vertices are on the circle.

then, by definition, the opposite angles of the quadrilateral are supplementary, this means that the sum of their measures is 180 degrees.

you can observe in the figure that the angles ∠opq   and the angle ∠orq   are opposite, therefore:

then, can be used to d to calculate the measure of ∠opq

168

step-by-step explanation:

i am pretty sure that the answer is 168