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3 years ago

What’s the sum of c and twice d?

Mathematics

2 answers:

Damm [24]3 years ago

8 0

Answer:

The sum of c and twice d is

c + 2d

<u>-TheUnknownScientist 72</u>

Naily [24]3 years ago

4 0

Answer:

c + 2g

Step-by-step explanation:

g + g = 2g

c + 2g

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Megans room was remodeled. The new area of the room is 175% of the previous area. Only the length of the room changed.

Alex17521 [72]

Answer:

As only the length of the room changed. It means the length of the room is increased by 175%, because of which the area is increased by 175%.

Therefore, the expression become

$\frac{175}{100}\:l\cdot b$

$=1.75\:l\cdot b$

And the area of Megan's room is increased by 0.75 square meters.

Step-by-step explanation:

Let $l$ be the length of the room

Let $b$ be the width of the room

So the area of the rectangle will be:

$A=l\cdot \:b$

As the statement mentions that the new area of the room is $175%$ % of the previous area.

So the new area of the room becomes:

$\frac{175}{100}\:l\cdot b$

As only the length of the room changed. It means the length of the room is increased by 175%, because of which the area is increased by 175%.

Therefore, the expression become

$\frac{175}{100}\:l\cdot b$

$=1.75\:l\cdot b$

also

$\left(1.75\right)l\cdot \:b-\left(1\right)l\cdot \:b$

$=0.75\:l\cdot b$

so, the area of Megan's room is increased by 0.75 square meters.

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3 years ago

Sketch the figure: Two different isosceles triangles with perimeter 4a + b

Nikitich [7]

The two triangles with the given perimeter is attached .

Perimeter is the sum of all sides.

For the first triangle , sies are 2a,2a and b.

So the perimeter is

$Perimeter = 2a+2a+b
\\
Perimeter = 4a+b$

For the second triangle, sides are a,a, and 2a+b. Therefore perimeter is

$Perimeter = a+ a + 2a+b
\\
Perimeter = 4a+b$

So for both triangles, perimeter is

$4a+b$

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Answer:

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Step-by-step explanation:

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