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ch4aika [34]
3 years ago
8

Simplify: (x+4)*(2x+5

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
7 0

Answer:

2x^2+13x+20 is the simplified answer

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SVETLANKA909090 [29]
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The figure below shows a round plate that is white with a 2-inch gray border around it
Brut [27]

Given:

Radius of small circle = 4 in.

Width of gray border = 2 in.

To find:

The area of the gray border.

Solution:

We have, radius of small circle:

r=4\text{ in.}

The width of gray border is 2 in. So,t he radius of the larger circle is:

R=4+2\text{ in.}

R=6\text{ in.}

Now, area of gray border is the difference for area of larger circle and smaller circle.

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6 0
3 years ago
Solve for x.......................
AURORKA [14]

Answer:

D) x = 40.5

Step-by-step explanation:

When parallel lines create a smaller triangle inside a larger triangle, the triangles are similar. Triangle similarity means that side lengths are proportional, meaning to find x we must use dimensions of the smaller triangle to create a proportion.

The left side of the larger triangle is 12 + 15, so it is 27.

The left side of the smaller triangle is 12.

So, part of the proportion will be \frac{27}{12}

The bottom side of the larger triangle is x.

The bottom side of the smaller triangle is 18.

So, part of the proportion will be \frac{x}{18}

The full proportion will be:

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Cross multiply and solve for x.

27(18) = 12x

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So we would set up our algebraic expression like this. 
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Good Luck! :)
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pochemuha

\boxed{ \underline{ \bf \: Categorical}} \sf \: data \: set \: is \: the \: data \: set \\ \sf \: that \:  deals \: with \: only \: non \: numerical \: values.

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