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Sindrei [870]
3 years ago
10

Find the perimeter and area of isosceles trapezoid EFGH. A=1/2(b1+b2)•h

Mathematics
1 answer:
vfiekz [6]3 years ago
7 0

We have a height of 4, bottom base of 8, top base of 6, so

A = (1/2)(8+6)(4) = 28

Perimeter, we have sides that are hypotenuses of a right triangle, legs 1 and 4,

s = √(1²+4²) = √17

So perimeter is

P = 8 + 6 + √17 + √17 = 14+ 2√17

Answer: Area 28, perimeter  14 + 2√17

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0.05 kilogramos.................
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3 years ago
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5. For the data in the table below, find the sum of the absolute deviations for the predicted values
Kipish [7]

Based on the absolute deviations and the predicted values, the sum of absolute deviations will be <u>4.8.</u>

<h3>What would be the sum of absolute deviations from predicted values?</h3>

This can be found as:

= ∑ (Observed value - Predicted value)

The observed values are given in the table and the predicted values will be calculated using y = 3.6x - 0.4.

Solving gives:

=  [3 - (3.6 x 1 - 0.4)] + [7 - (3.6 x 2 - 0.4)] + [ 9 - (3.6 x 3 - 0.4)] + [14 - (3.6 x 4 - 0.4)] + [15 - (3.6 x 5 - 0.4)] + [21 - (3.6 x 6 - 0.4)] + [25 - (3.6 x 7 - 0.4)]

= 0.2 + 0.2 + 1.4 + 0 + 2.6 + 0.2 + 0.2

= 4.8

Find out more on absolute deviation at brainly.com/question/447169.

4 0
2 years ago
Farmer Ted bales large round bales of hay to store in his barn for winter feeding. How much hay is in a round bale, in terms of
NNADVOKAT [17]

Answer:

20π ft³

Step-by-step explanation:

I just did it on the USATestprep

8 0
3 years ago
What is the equation of the line that passes through the point (6,-4) and has a slope of -2 over 3?
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Y=-2/3x+-4. Here is the original equation for a line. (M is slope and b is y-intercept((the point which the line goes through the Y-axis))) y=Mx+b
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Solving system using subsitution
hichkok12 [17]
Below is the solution:

<span>8t + 5p = 220
5t + p = 112
 
From the second equation:
p = 112 - 5t
 
Replace into first:
8t + 5(112 - 5t) = 220
t = 20


 p = 112 - 5t = 112 - 100 = 12
</span>
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
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4 years ago
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