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aliina [53]
3 years ago
5

What is the answer to this problem

Mathematics
1 answer:
sveticcg [70]3 years ago
5 0
I believe the answer 86
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Expand and simply x(2x + 3) + 5( x - 7)​
zalisa [80]

Answer:

2x² + 8x - 35

Step-by-step explanation:

x(2x + 3) + 5(x - 7) ← distribute both parenthesis

= 2x² + 3x + 5x - 35 ← collect like terms

= 2x² + 8x - 35

6 0
3 years ago
Find the area of the regular polygon below. leave your answer in simplest radical form.
Licemer1 [7]

Answer:

384√3 in²

Step-by-step explanation:

Given in the question a regular 6 sided polygon

To find it's area you have to use the following formula

<h3>      1/2 x perimeter x apothem</h3>

<em>Perimeter = the sum of the lengths of all the sides </em>

<em>Suppose length of one side = x</em>

<em>Apothem = a segment that joins the polygon's centre to the midpoint of any side that is perpendicular to that side = 8√3</em>

<em />

Since the polygon have 6 sides so

perimeter = 6x

<h3>x = 2(8√3)/√3</h3>

x = 2(8)

x = 16

perimeter = 6(16) = 96 in

plug values in the formula of area

<h3>1/2 x 96 x 8√3</h3>

384√3 in²

6 0
4 years ago
Read 2 more answers
What is 1,455.8 x 4,628.9?
Nady [450]

Answer:

6738752.62

Step-by-step explanation:

1,455.8 x 4,628.9=6738752.62

8 0
2 years ago
Read 2 more answers
What is the area of a square computer screen with 21 inch sides?
notka56 [123]
Side of the square computer screen = 21 inches
It is important to minutely read the details that are already given in the question. the most important information that is given in the question is that the computer screen ia square. Based on this information the answer to the question can be easily deduced.
Then
Area of the computer screen = (Side)^2
                                               = (21)^2 inches square
                                               = 441 inches^2
So the area of the square computer screen is 441 square inches. i hope the procedure is clear enough for you to understand.

6 0
4 years ago
WILL GIVE BRAINLIEST!
MAXImum [283]

Answer:

Texting speed

Step-by-step explanation:

It's the dependent variable

5 0
3 years ago
Read 2 more answers
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