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Gre4nikov [31]
2 years ago
11

The Diagram below shows rectangle PLUM find the area of PLUM if entering answer as a decimal, round your final answer to the nea

rest hundredth. Please Help!

Mathematics
1 answer:
zhannawk [14.2K]2 years ago
4 0

Answer:

A = 75 units²

Step-by-step explanation:

6-8-10 triangle so PL = 10

For left triangle

6/8 = PM/10

PM = 60/8 = 7.5

A = PL•PM = 7.5(10) = 75

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2 years ago
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The area of a rectangle is 14 m2 , and the length of the rectangle is 3 m less than double the width. find the dimensions of the
muminat
Width =3.5, length = 4

Let's make a few equations to summarize what we know.:
a = 14
l = 2w -3
a = wl

Now let's substitute the expression for l into the expression for area and solve.
a = w(2w - 3)
a = 2w^2 - 3w
14 = 2w^2 - 3w

0 = 2w^2 - 3w - 14

which factors into
(2w - 7) (w + 2)

Solving for w
2w - 7 = 0
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w = 3.5

w+2 = 0
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So w can be either 3.5 or -2. Since a negative width doesn't make sense, w = 3.5

Let's verify
w = 3.5
l = 2w - 3
l = 2*3.5 - 3
l = 7 - 3
l = 4
a = wl
a = 3.5 * 4
a = 14

So the width is 3.5 and the length is 4.

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3 years ago
Hurry in test Brainliest!!!
tamaranim1 [39]

Answer:

<em>y = (x - 4) - 4 </em>

Step-by-step explanation:

m = \frac{y_{2} - y_{1} }{x_{2} -x_{1} }

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m = \frac{-4+10}{4+2} = 1

y + 4 = (x - 4) ⇒ <em>y = (x - 4) - 4</em>

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[Geometry Basics] I'm just checking if this is correct:
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What dose 5d-10= using two word expressions
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