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Igoryamba
3 years ago
14

What is the area of the polygon below.

Mathematics
1 answer:
levacccp [35]3 years ago
5 0

Answer:

336 ft²

Step-by-step explanation:

The figure is composed of a rectangle and a right triangle

A of rectangle = length × breadth = 24 × 12 = 288 ft²

A of Δ = \frac{1}{2} bh ( b is the base and h the perpendicular height )

Here b = 32 - 24 = 8 ft and h = 12 , then

A of Δ = \frac{1}{2} × 8 × 12 = 4 × 12 = 48 ft²

composite area = 288 + 48 = 336 ft²

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In one year , Melinda’s parents spend 2,440.90 on cable and internet service . If they spend the same amount each month , estima
Mekhanik [1.2K]

Answer:

The monthly fee for cable and internet is 200.

Step-by-step explanation:

Given:

Amount spend on one year for cable and internet service is 2440.90.

Now, to get the monthly fee for same amount spend on a year, by dividing the amount spend on a year with 12. As in one year there are 12 months.

So, 2440.90\div 12

    =203.41

By estimating the amount we get 200. As estimating means to round off the number to the nearest of whole number.

Therefore, the monthly fee for cable and internet is 200.

8 0
3 years ago
A=444 b=213. 4÷a×b= can you help me plz
Lelechka [254]
First, let's input "a" and "b" into the equation:
(Don't forget to put brackets around the inputted numbers to show you are inputting "a" and "b")

<span>4 ÷ a × b = </span>4 ÷ (444) x (213)

Now we can solve!
 
               = 1.918
               = ~ 2

Hope this helps!
Feel free to message me if you have any questions :)
5 0
3 years ago
10 people can paint a building in 5 days if each person paints as quickly as the others then how much of the building could 7 pe
Olenka [21]

Answer:

asdfasdfasdfasdf

Step-by-step explanation:

asdfasdfasdfsdafasdghyejhtrgerfEDQWeretwsRZEYTXRUTIF8O8IGOPO;LKFJDHSGARWewrtyu

4 0
4 years ago
Consider the quadratic function f(x)=−x^2+x+30
yaroslaw [1]

Answer:

The smallest xx-intercept is x = -5

The largest xx-intercept is x = 6

The yy-intercept is y = 30.

Step-by-step explanation:

Given a quadratic function in the following format:

f(x) = ax^{2} + bx + c = 0, a \neq 0

The x-values of the x-intercepts are x_{1}, x_{2}, given by the following formulas.

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}

x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}

\bigtriangleup = b^{2} - 4ac

We have that:

f(x) = -x^{2} + x + 30

This is not in the format above. I will multiply by (-1), so we have:

f(x) = x^{2} - x - 30

So, a = 1, b = -1, c = -30

\bigtriangleup = b^{2} - 4ac = (-1)^{2} - 4*(1)*(-30) = 1 + 120 = 121

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a} = \frac{-(-1) + \sqrt{121}}{2(1)} = \frac{12}{2} = 6

x_{2} = \frac{-b + \sqrt{\bigtriangleup}}{2*a} = \frac{-(-1) - \sqrt{121}}{2(1)} = \frac{-10}{2} = -5

This means that

The smallest xx-intercept is x = -5

The largest xx-intercept is x = 6

The y-intercept is the value of f(x) when x = 0. So

f(x)=−x^{2}+x+30

f(0) = 30

The yy-intercept is y = 30.

5 0
3 years ago
I need help asap please
Aliun [14]

Answer:

25

Explanation:

7²+24²=x²

625=ײ

25=x

4 0
3 years ago
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