4. Use the slope and the y-intercept to graph the following equation. 3y + 6 = -2x
1 answer:
Answer:
slope = - 2/3,y = -2
Step-by-step explanation:
- Make y the subject of the line 3y + 6 = -2x.
- Divide throughout by three to get the slope.
- Get the y - intercept by substituting x = 0.
- The slope gotten is -2/3.
- The y - intercept is y = - 2.
- in plotting the graph, make a point at - 2 on the y - axis which is the y - intercept. Then count three steps from the origin on the x - axis towards the negative direction and mark a point on - three.
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Answer: The answer is 60 square inches.
Step-by-step explanation: Given that Danny has a triangular pyramid where all the four triangles are congruent. The height and base of one triangle are 6 inches and 5 inches respectively. We are to find the surface area of the pyramid.
The area of one triangle is given by
Since the pyramid consists of four congruent triangles, so the surface area of the pyramid will be
Thus, the answer is 60 sq. inches.