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Tpy6a [65]
3 years ago
11

Find the area of the following figure: 14ft 6ft 9ft

Mathematics
1 answer:
lisov135 [29]3 years ago
7 0

Step-by-step explanation:

s =   a+b+c  / 2

=   14+6+9  / 2

=  14.5 feet

Area =  √s(s-a)(s-b)(s-c)

=  √14.5×(14.5 - 14)×(14.5 - 6)×(14.5 - 9)

ANSWER: 18.410255294265 feet^2

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Answer:340 or 5 depends how your using it

Step-by-step explanation:

6 0
3 years ago
Find the value of r so the line that passes through the pair of points has the given slope. (3, 5), (−3, r), m=34
frez [133]

The value (y2) of r = 1/2.

This question relates to equation of a straight line but we are looking for the slope in this case.

<h3>Slope</h3>

This is the ratio to which we measure the change along the y-axis to the change along the x-axis. The formula is given as

m = \frac{y_2 - y_1}{x_2 - x_1}

Data given;

  • x1  = 3
  • x2 = -3
  • y1 = 5
  • y2 = r
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Substitute the values into the equation and solve for the unknown

NB; we are assuming that the slope here is 34 and not 3/4.

m = \frac{y_2 - y_1}{x_2 - x_1} \\34 = \frac{r - 5}{-3 - 3}\\34 = \frac{r - 5}{-6}\\

cross multiply both sides and make r the subject of formula

34 * -6 = r - 5\\-204 = r - 5\\r = -204+5\\r = -199

the value of r = -199.

This is not mathematically obtainable and we would use 3/4 as the value of slope

\frac{3}{4}= \frac{r - 5}{-3 - 3}\\\frac{3}{4}=\frac{r - 5}{-6}\\4(r-5) = 3 * -6\\4r- 20 = -18\\4r = -18 +20\\4r = 2\\r = \frac{1}{2}

The most logical value of r = 1/2

Learn more on slope here;

brainly.com/question/4074386

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3 years ago
Is 1/2x -1 equivalent to 2/3(3/4x-3/2)
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128273

Step-by-step explanation:

$2200/month 66253

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3 years ago
Find the area and the circumference of the circle. Round your answers to the nearest hundredth. PLEASE SHOW WORK
larisa [96]

27/2=13.5(radius)

area: pi*r*r=

pi*13.5*13.5=

572.55526

rounded, 572.56

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27pi=84.823

rounded, 84.82

8 0
3 years ago
I need some really help......
kozerog [31]
Length x width = formula of finding the area of a rectangle

2 3/7 x 2 4/5 = 6 4/5 (6.8)

The area of the rectangle is 6 4/5 / 6.8
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3 years ago
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