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kondor19780726 [428]
3 years ago
8

Please help!!!!!!!!!! !!

Mathematics
2 answers:
Elenna [48]3 years ago
4 0

Answer:

Using Pythagorean theorem

  • C²=A²+B²

c=(8)²+(2)²

√c²=√68

c=2√17 or √68

  • d²=c²+e²

d²=(2√17)²+(5)²

d²=68+25

√d²=√93

d=√93 or 9.6

OAmalOHopeO

mestny [16]3 years ago
3 0

Answer:

The ~length~ is ~9.6~ units ✔︎

༄❁༄❁༄❁༄❁༄

a=8\\b=2\\c=?\\d=?\\e=5

Using~ Pythagorean ~theorem:

c^2=a^2+b^2

c^2=(8)^2+(2)^2

\sqrt{c^2} =\sqrt{68}

c=\sqrt{68} ~or~2\sqrt{17}

»»---------------------►

d^2=c^2+e^2

d^2=(2\sqrt{17})^2+(5)^2

d^2=68+25

\sqrt{d^2} =\sqrt{93}

d=\sqrt{93} ~or~9.6

So, your~ answer ~is ~9.6

✧⋄⋆⋅⋆⋄✧⋄⋆⋅⋆⋄✧⋄⋆⋅⋆⋄✧⋄⋆⋅⋆⋄✧

hope it helps...

have a great day!!

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Blank 1: (-7,0)

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Step-by-step explanation:

15x^2 +41x+28

Factor the expression by grouping. First, the expression needs to be rewritten as 15x^2 +ax+bx+28. To find a and b, set up a system to be solved.

a+b=41

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Since ab is positive, a and b have the same sign. Since a+b is positive, a and b are both positive. List all such integer pairs that give product 420.

1,420

2,210

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6,70

7,60

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20,21

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Factor out common term 3x+4 by using distributive property.

(3x+4)(5x+7)

7 0
3 years ago
Read 2 more answers
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