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kupik [55]
3 years ago
8

PLZ HELP IF RIGHT THEN I WILL GIVE BRAINLY!!!!

Mathematics
2 answers:
fgiga [73]3 years ago
8 0

Answer:

56.6ft

Step-by-step explanation:

i added all the sides together hope it is correct

vladimir1956 [14]3 years ago
3 0

Answer:

Step-by-step explanation:

p=56.6

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Solve the system by graphing.<br> 19) y = x2 + 2x + 7<br> y = 3x – 4
Sedbober [7]

Answer:

  no real solutions

  complex solutions: x = 0.5±i√10.75, y = -2.5±i·3√10.75

Step-by-step explanation:

The graph shows the line and parabola do not intersect, so there are no real solutions to this system of equations.

__

However, the complex x-solutions can be determined from the graph to be ...

  x = 0.5 ±i√10.75

The corresponding y-values can be found from the equation

  y = 3x -4 = 3(0.5 ±i√10.75) -4

  y = -2.5 ± i·3√10.75

8 0
3 years ago
Do the following scenarios model the equation y = 2x + 5?
tatyana61 [14]

Answer:

The temperature at 8:00 AM is 5 degrees Celsius and increases 2 degrees per hour.

7 0
4 years ago
A stack of books is 24 inches high.
JulsSmile [24]

Answer:

32

Step-by-step explanation:

Let's say n such books make up the stack.

If each book is 3/4 inch thick, it contributes 3/4 to the total height of the stack – 24 inches.

==> number of books × 3/4 = 24

(<em>to</em><em> </em><em>get</em><em> </em><em>this</em><em> </em><em>result</em><em> </em><em>add</em><em> </em><em>the</em><em> </em><em>heights</em><em> </em><em>of</em><em> </em><em>n</em><em> </em><em>such</em><em> </em><em>book</em><em>,</em><em> </em><em>and</em><em> </em><em>equate</em><em> </em><em>it</em><em> </em><em>to</em><em> </em><em>2</em><em>4</em><em>.</em><em> </em><em>You'll</em><em> </em><em>get</em><em> </em><em>something</em><em> </em><em>like</em><em>:</em>

<u><em>3</em><em>/</em><em>4</em><em> </em><em>+</em><em> </em><em>3</em><em>/</em><em>4</em><em> </em><em>+</em><em>.</em><em> </em><em>.</em><em> </em><em>.</em><em> </em><em>.</em><em> </em><em>n</em><em> </em><em>times</em><em> </em><em>=</em><em> </em><em>2</em><em>4</em></u>

<em>And</em><em> </em><em>that's</em><em> </em><em>what's</em><em> </em><em>meant</em><em> </em><em>by</em><em> </em><em>3</em><em>/</em><em>4</em><em> </em><em>×</em><em> </em><em>n</em><em> </em><em>=</em><em> </em><em>2</em><em>4</em><em>)</em>

==> n × 3/4 = 24

<em>multiply</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em><em>by</em><em> </em><em>4</em>

<em>=</em><em>=</em><em>></em><em> </em>n × 3 = 24 × 4

<em>divide</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em><em>by</em><em> </em><em>3</em>

==> n = (24 × 4)/3

==> n = 8 × 4

==> n = 32

We assumed the number of books to be n.

so the answer is:

<u> <em>32</em></u> books, each if height 3/4 inch, are required to build a stack 24 inches high.

4 0
3 years ago
How to write −8 2/11 in standard form?
rewona [7]

Answer:

- 90/11

Step-by-step explanation:

  1. Multiply 8 with 11 = 88
  2. Add that with 2 = 90
  3. That is your nominator and 11 is denominator.
  4. Because the faction is negative, put a negative sign.
7 0
2 years ago
The sum of the measures of the interior angles of a convex polygon is 2160. how many sides does the polygon have?
horsena [70]
<span>Sum of Interior Angles = (Number of Sides -2) • 180 degrees
2,160 = (sides -2) * 180
2,160 / 180 = sides -2
12 = sides -2
sides = 14
Source:
http://www.1728.org/polygon.htm

</span>
4 0
3 years ago
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