To find the area of a trapezoid, we need to know the formula. The formula for the area of a trapezoid is: A = (a+b)h/2, with a and b being the lengths of the bases and h being the height of the trapezoid.
In this particular case, we need to figure out the heights and base lengths, then we can input the values and solve.
The height is 7 yards (because it's the line that makes a right angle when it goes down), and the bases are 4.7 yards and 9.5 yards. Now we can input these values into our formula. The formula becomes:
A = (4.7 + 9.5)*7/2
A = 14.2 * 3.5
That means that our answer is A = 49.7 yd.², or A.
The response that represents the 86th percentile is 7.884
The response that represents the 55th percentile is 5.69
The response that represents the first percentile 3.85
<h3 /><h3>How to solve for the 86th percentile</h3>
mean = 5.4
sd = 2.3
p(X>x) = 0.86
find the value of z using the NORMSINV function in excel with a probability of 0.86
z = 1.080
x = mean + sd*z
= 5.4 + 2.3 * 1.080
= 7.88
<h3>How to solve for the 55th percentile</h3>
mean = 5.4
sd = 2.3
p(X>x) = 0.55
find the value of z using the NORMSINV function in excel with a probability of 0.55
z = 0.1257
x = mean + sd*z
= 5.4 + 2.3 * 0.1257
= 5.69
c. The first quartile is 25%
z = -0.6745
5.4 + 2.3 * -0.6745
= 5.4-1.551
= 3.85
Read more on percentile here:
brainly.com/question/2263719
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Answer:
52/15
mixed number: 3 7/15
Step-by-step explanation:
Hopefully this helps
Answer:
idk what yah do right there brah what grade u in
Step-by-step explanation:
6c + 3t = 4800
8c + t = 4600 .....multiply by -3
----------------
6c + 3t = 4800
-24c - 3t = - 13800
---------------add
-18c = - 9000
c = -9000/-18
c = 500...so each car is 500
8c + t = 4600
8(500) + t = 4600
4000 + t = 4600
t = 4600 - 4000
t = 600...and each truck is 600
selling 2 cars and 3 trucks...
2(500) + 3(600) = 1000 + 1800 = 2800 <==