△rst is similar to triangle △xyz by the aa similarity postulate .

what is the measure of ∠x?

The measure of ∠X  is  110°

Step-by-step explanation:

If two triangles are similar then their corresponding angles are same by AA similarity.

we can observe from provided triangles,

∠S=∠Y=23°

∠T=∠Z=47°

So, In triangle Δ XYZ ;

∠X +∠Y +∠Z = 180° (∵By angle sum property)

∠X +23° +47° = 180°

∠X +70° = 180°

Subtract 70° from both the sides in the above expression,

∠X  = 180°-70°

∠X  = 110°

Hence the measure of ∠X  is 110°

answer: y=4000x+14000

step-by-step explanation:

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9