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4 years ago

3 3/4+7 7/8 please help

Mathematics

2 answers:

BlackZzzverrR [31]4 years ago

6 0

Answer:

93/8

Step-by-step explanation:

3 3/4=15/4

7 7/8=63/8

15/4+63/8

lcm=8

15*2=30

4*2=8

30/8+63/8= 93/8

Artemon [7]4 years ago

3 0

Answer:

11.625

Hope this helps you!

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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Katyanochek1 [597]

Answer:

The answer to your question is Area = 62.5 u²

Step-by-step explanation:

Area = $c \frac{a + b}{2}$

a and b are bases

c = heigth

dAD = $\sqrt{(x2 - x1)^{2} - (y2 - y1)^{2} }$

dAD = $\sqrt{(-1 + 13)^{2} - (5 + 11)^{2} }$

dAD = $\sqrt{(12)^{2} - (16)^{2} }$

dAD = $\sqrt{144 + 256}$

dAD = $\sqrt{400}$

dAD = 20 u

dBC = $\sqrt{(3 - 0)^{2} - (2 + 2)^{2} }$

dBC = $\sqrt{9 + 16}$

dBC = $\sqrt{25}$

dBC = 5 u

dAB = $\sqrt{(3 + 1)^{2} - (2 - 5)^{2} }$

dAB = $\sqrt{(4)^{2} - (-3)^{2} }$

dAB = $\sqrt{16 + 9}$

dAB = $\sqrt{25}$

dAB = 5u

Area = $5 \frac{20 + 5}{2}$

Area = $5 \frac{25}{2}$

Area = 5(12.5)

Area = 62.5 u²

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4 years ago