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netineya [11]
2 years ago
7

The design shown contains kite ABCD. Which statement is true?

Mathematics
2 answers:
kozerog [31]2 years ago
5 0
Area of ABCD = 10 * 30 + 10 * 10 = 300 + 100 = 400
Area of DBGH = 20 * 30 = 600
Area of DBFC = 1/2(30 * 30) + (10 * 30) + 1/2(10 * 30) = 450 + 300 + 150 = 900
Area of CEBF = 1/2(30 * 30) + (10 * 30) = 450 + 300 = 750

THerefore, option C isthe correct answer.
sveta [45]2 years ago
3 0

Answer:

Step-by-step explanation:

Alright, lets get started.

Area of ABCD :

Area of ABCD =area of ABD + area of BCD

Area of ABCD = (\frac{1}{2}*20*10) +(\frac{1}{2}*20*30)

Area of ABCD =  400

Area of DBGH  :

Area of DBGH = 20*30 = 600

Area of DBFC :

Area of DBFC = area of DBC + area of BCF

Area of DBFC = (\frac{1}{2}*20*30)+(\frac{1}{2}*30*40) = 300+600

Area of DBFC = 900

Area of CEBF :

Area of CEBF = area of CEBG + area of BGF

Area of CEBF = 300+(\frac{1}{2}*30*30) = 300+450

Area of CEBF = 750

hence option C is correct : area of DBFC = 900    :   Answer

Hope it will help :)

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Hey there,

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Amanda and Alexis live 4 miles apart. They decide to start walking toward each other’s houses at the same time. Amanda walks at
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Answer:

t = 0.53 hr

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We write expressions for the distances walked by these two people, sum them up and set the sum equal to 4 miles:

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(7.5 mph)(t) = 4 mi

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5 0
1 year ago
Margie is packing 108 small boxes into a large carton. the small boxes will fill all of the space inside the large carton. Each
just olya [345]
2 inches wide
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find the volume of the carton
V=108 times volume of small box
V=108 times 1 times 2 time s3
V=648 in^2

height is 2
V=LWH
648=LW2    (note, this is not LW^2 but 2 times LW)
divie both sides by 2
324=LW
legnth of base is less than 36
div
we just need to find the values of legnth and width such that LW=324 and L<36 and that L or W is divisible by 3 (since each box is 3 inches long)

so lets factor 324
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(27,12,2)
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4 0
2 years ago
Three percent of Jennie’s skin cells were burned when she escaped from a fire. If 3.7×10’(of her skin cells were burned then, ho
lora16 [44]

Answer:

The quantity of Jennie's skin cell were not burned is 119.601 × 10^{10}  .

Step-by-step explanation:

Given as :

The percentage of Jennie's skin cell were burned = 3 %

The quantity of Jennie's skin cell were burned = 3.7 × 10^{10}

Let The quantity of Jennie's skin cell were not burned = x

Let Total quantity of whole skin cell = n

<u>Now, According to question</u>

The quantity of Jennie's skin cell were burned = Total quantity of whole skin cell × percentage of Jennie's skin cell were burned

i.e 3.7 × 10^{10} = n × 3 %

Or, 3.7 × 10^{10} = n × \dfrac{3}{100}

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Or, n = \frac{3.7\times 10^{12}}{3}

i.e n = 1.233 × 10^{12}

Or, Total quantity of whole skin cell = n = 1.233 × 10^{12}

<u>Now, Again</u>

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so , The quantity of Jennie's skin cell were not burned = 97 % of Total quantity of whole skin cell

Or, x = \frac{97}{100} × n

Or, x =  \frac{97}{100} × 1.233 × 10^{12}

∴ x = 119.601 × 10^{10}

So, The quantity of Jennie's skin cell were not burned = x = 119.601 × 10^{10}

Hence,  The quantity of Jennie's skin cell were not burned is 119.601 × 10^{10}  . Answer

6 0
2 years ago
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