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Marizza181 [45]
3 years ago
5

What are the lengths of sides KN and NM of the kite? KN = units NM = units

Mathematics
2 answers:
Natalka [10]3 years ago
7 0
Y+10= 2y+5
10=y+5
5=y

Plug this in
(5)+10=15 for KN


2x+6=3x-1
6=x-1
7=x

Plug this value in
2(7)+6
14+6= 20 for NM
Nimfa-mama [501]3 years ago
6 0

<u>Answer-</u>

\boxed{\boxed{KN=15\ units,\ NM=20\ units}}

<u>Solution-</u>

As given in the graph,

KN=KL,\ and\ MN=ML

And,

KN=y+10\\\\KL=2y+5\\\\MN=2x+6\\\\ML=3x-1

Then,

\Rightarrow y+10=2y+5

\Rightarrow 2y-y=10-5

\Rightarrow y=5

And,

\Rightarrow 2x+6=3x-1

\Rightarrow 3x-2x=6+1

\Rightarrow x=7

Therefore,

KN=y+10=5+10=15\ units

NM=2x+6=2\cdot 7+6=14+6=20\ units


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Jose invests $10900 in two different accounts. The first account paid 8 %, the second account paid 11 % in interest. At the end
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Answer: $4900 at 8%

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Step-by-step explanation:

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Let y represent the amount which he invested in the account paying 11% interest.

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x + y = 10900

The formula for determining simple interest is expressed as

I = PRT/100

Considering the account paying 8% interest,

P = $x

T = 1 year

R = 8℅

I = (x × 12 × 1)/100 = 0.08x

Considering the account paying 11% interest,

P = $y

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I = (y × 6 × 1)/100 = 0.11y

At the end of the first year he had earned $1052 in interest., it means that

0.08x + 0.11y = 1052 - - - - - - - - - -1

Substituting x = 10900 - y into equation 1, it becomes

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872 - 0.08y + 0.11y = 1052

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y = 180/0.03

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3 0
3 years ago
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Rufina [12.5K]

Answer:

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thats why there is only one answer

4 0
3 years ago
Read 2 more answers
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