Answer:
77
Step-by-step explanation:
13×7=91
91-(3×4)-(1×2)
91-12-2
77
Answer:
=9 * 1000 / 3600
=9000 / 3600
=2.5m/s
note that 1000m makes 1km and 3600seconds make an hour
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
In a quadrilateral inscribed in a circle opposite angles are supplementary so


Step 1
Find the value of x
substitute the values

using a graphing tool
solve the quadratic equation
see the attached figure

step 2
Find the measure of angle D


substitute

