Answer:
118.18 mm^2
Step-by-step explanation:
Sides <em>a</em> and <em>b</em> form angle C, so the information given is a side-angle-side (SAS) problem.
Use the formula
.

That value is 60 because 15 is 1/4 of 60, and 25% is 1/4 of 100
Answer:
2.09 is the 6% sales tax so the total will be 36.94
Step-by-step explanation:
Answer: It will cost him $237 to seed the entire backyard
Step-by-step explanation:
Hi, to answer this question, first, we have to calculate the area of the rectangular backyard:
Area of a rectangle = length x width
Replacing with the values given:
A = 20 x 15 = 300 ft2
Since seed cost 0.79 per square foot, we simply have to multiply that price by the area:
0.79 x 300 = $237
It will cost him $237 to seed the entire backyard
Feel free to ask for more if needed or if you did not understand something.
Answer:
The same way you tell if a parabola opens up or down, by the leading coefficient of the variable.
Step-by-step explanation:
Since the x-axis is positive to the right, a positive leading coefficient (3) means it opens to the right. eg. And a negative leading coefficient (-2) means it opens to the left.