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Ber [7]
3 years ago
8

HELP! Which shapes are decomposed correctly so that it could be used to to find its area? Assume side lengths are known.

Mathematics
2 answers:
zalisa [80]3 years ago
7 0

Answer:

b a d ;) just not c

Step-by-step explanation:

nasty-shy [4]3 years ago
5 0

Answer:

Step-by-step explanation:

c

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What is the perimeter of triangle ABC round each step by the nearest 10th see image. Thanks so much
Greeley [361]

Perimeter of the triangle ABC is 18.7 units.

Coordinate of the point A is (4, -1), B is (-1, 4) and C is (0, -3).

Length of the side AB = \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}

AB = \sqrt{(-1-4)^{2}+(4+1)^{2}} =\sqrt{50}

AB = 7.07 units = 7.1 units ( rounded to the nearest 10th)

Length of the side BC = \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}

BC = \sqrt{(0+1)^{2}+(-3-4)^{2}}

BC = \sqrt{50}

BC = 7.07 units = 7.1 units ( rounded to the nearest 10th)

Length of the side CA =\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}

CA = \sqrt{(4-0)^{2}+(-1+3)^{2}}

CA = \sqrt{20}

CA = 4.47 units = 4.5 ( rounded to the nearest 10th)

Perimeter of the triangle ABC = sum of all three sides = (7.1 + 7.1 + 4.5) units = 18.7 units  

5 0
3 years ago
Relative density was determined for one sample of second-growth Douglas fir 2 x 3 4s with a low percentage of juvenile wood and
Citrus2011 [14]

Answer:

0.03865

Step-by-step explanation:

Since the true density for the two types of trees are given, we would evaluate the average for both of them

Low percentage of juvenile wood density = 0.523 and 0.0543

Average density = 0.523 + 0.0543/2

Average density = 0.55015

Moderate percentage of juvenile wood density = 0.489 and 0.0450

Average density = 0.489 + 0.0450/2

Average density = 0.5115

Therefore, difference in true average density for the two woods are = 0.55015 - 0.51150

= 0.03865

5 0
4 years ago
How do you make a frequency problem
Nataly [62]
Deez nutz mdimdndjodnojdnjnojwo
6 0
3 years ago
PLSSSSSSSSSSSSSSSSSSSSSS HELPPPPPPPPPPPPPPPPPPPPPPPPPPPP​
fgiga [73]

Answer:

17925

Step-by-step explanation:

3(1/4)=3.25

simple interest formula:

PV(1+it)=FV

we will divide the 72 months to convert it into years

72/12=6

15000(1+.0325*6)=17925

7 0
3 years ago
Read 2 more answers
What is the volume of a figure that is 5cm,5cm,8cm,8cm,8cm,1cm
Ratling [72]

Answer:

the volume is 40 cm

Step-by-step explanation:

to find the volume all you need is length times width times height and you multiply it and that is your answer

7 0
4 years ago
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