Answer:
- Area of section is 981 square feet
Step-by-step explanation:
<h3>Given trapezoid with:</h3>
- Bases 57 feet and 52 feet;
- Height 18 feet.
<h3>To find</h3>
<h3>Solution</h3>
Equation of area:
Substitute values and calculate:
- A = (57 + 52)*18/2 = 109*9 = 981 ft²
First, let's convert the mixed fraction into an improper fraction (trust me, mixed fraction are pretty much the worst things to deal with, especially with higher level math):


Then, to subtract, since you need a common denominator, I would multiply the second fraction by 2 to get:

Now that we have a common denominator, we are ready to subtract:

Since that's the most simplified form, and you have been asked the question in a mixed fraction form, let's convert that to a mixed fraction. The remainder of the numerator divided by the denominator is 1, and the quotient is 3. The denominator stays the same. So, this is what results:

And that's your answer:

Hope this all makes sense. If anything doesn't, feel free to tell me!
Answer:
the answer is 20 .put the 5 in place of x
and u always remember that f(5) =f(x)
Step-by-step explanation:
Any equation that includes y=1/13x.
m must be 1/13
16: 10(-9) +4 = -90 +4 = -86
17. 7^2 - 7 = 49-7 = 42
18. -9^2 - -9 = 81+9 = 90
19. 10(5) +4 = 54, 3*54 = 162
20. 3*5 = 15, 10(15) +4 = 154