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Fofino [41]
2 years ago
11

What is the area of ABC?

Mathematics
1 answer:
Svetlanka [38]2 years ago
6 0
Answer:
10

The 3rd option , C.
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What is 73/9 as a mixed number
yarga [219]
8 1/9 because 9 times 8 is 72 and 73-72=1 so 8 1/9
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3 years ago
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Rectangle R has varying length l and width w but a constant perimeter of 4 ft. A. Express the area A as a function of l. What do
ivanzaharov [21]
Given:
l = length of the rectangle
w = width of the rectangle
P = 4 ft, constant perimeter

Because the given perimeter is constant,
2(w + l) = 4
w + l = 2
w = 2 - l            (1)

Part A.
The area is
A = w*l 
   = (2 - l)*l
 A  = 2l - l²
This is a quadratic function or a parabola.

Part B.
Write the parabola in standard form.
A = -[l² - 2l]
   = -[ (l -1)² - 1]
   = -(l -1)² + 1
This is a parabola with vertex at (1, 1). Because the leading coefficient is negative the curve is downward, as shown below.

The maximum value occurs at the vertex, so the maximum value of A = 1.
From equation (1), obtain
w = 2 - l = 2 - 1 = 1.
The maximum value of the area occurs when w=1 and l=1 (a square).

Answer:
The area is maximum when l=1 and w=1.
The geometric argument is based on the vertex of the parabola denoting maximum area.

4 0
3 years ago
Graph an inequality on a number line: 15>m
barxatty [35]

When the sign is ≤ or ≥ ("less/greater than <u>or equal to</u>"), the dot if filled in.

When the sign is < or >, the dot is not filled in/open circle.


15 > m

[15 is greater than m, or m is less than 15]

Since m is less than 15, the arrow is going to the left (the numbers to the left are less than 15)

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3 years ago
Kate paid $27 for a dress that was on sale at 10% off. What was the original price for this dress?
wolverine [178]
Hope u understand...

4 0
3 years ago
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Find the value of x. The answer is 53, but I need to show my work.<br><br> THANK YOU!!!
fiasKO [112]

Answer:

53

Step-by-step explanation:

so first sutract the large angle from 360:

360 - 213 = 147

then subtract the other large known angle:

147 - 107 = 40

now we know the x - 13 = 40 so to find x we just have to add 13:

40 + 13 = 53

3 0
3 years ago
Read 2 more answers
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