Try this solution:
according to the condition ∠1+∠2=180, it means that
74-x+86-2x=180, ⇒ x= -20/3
answer: -20/3
8; 20/5=4, 4*2=8 so therefore it's 8 pounds
Answer:
Step-by-step explanation:
A triangular pyramid has a base with an area of 21.8 square meters, and lateral faces with bases of 7.1 meters and heights of 9 meters. Enter an expression that can be used to find the surface area of the triangular pyramid.
The expression is written as:
Surface Area = Area of the base + 1/2( Perimeter × Slant height)
The slope is represented by 5h and the y-intercept is 3. If she were to babysit for 5 hours, she would make $28. The equation is 5h + 3= C