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podryga [215]
3 years ago
6

The longer leg of the right triangle is 8 more than the shorter leg. The hypotonuse is 8 more than the longer leg. FInd all 3 si

des
Mathematics
1 answer:
Gennadij [26K]3 years ago
8 0

Answer:

4\sqrt{13}

4\sqrt{13} + 8

4\sqrt{13} + 16

Step-by-step explanation:

as per the given information:

shorter leg = x

longer leg = x + 8

hypotonuse = x + 8 + 8

remember the Pythagorean theorem, which states

x^2 + y^2 = n^2

where <em>x</em> and <em>y</em> are the legs and <em>n</em> is the hypotenuse

so now one can set up an equation:

x^2 + ( x + 8 )^2 = ( x + 16 ) ^2

simplify and solve using inverse operations:

first preform the square

x^2 + x^2 + 16x + 64 = x^2 + 32x + 256

then preform inverse opertations and simplify

2x^2 + 16x + 64 = x^2 + 32x + 256

-x^2                       -x^2

x^2 + 16x + 64 = 32x + 256

       -16x            -16x

x^2 + 64 = 16x + 256

       - 64             -64

x^2 = 16x + 192

-16x     -16x

x^2 - 16 = 192

x^2 -4^2 = 192

remember the differnt ways of writing a special square

(x - 4) (x + 4) = 192

x = 4\sqrt{13}

now add 8 to find the longer leg

4\sqrt{13} + 8

an add another 8 to find the hypotenuse

4\sqrt{13} + 8 + 8

4\sqrt{13} + 16

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Katarina [22]

Answer:

The number of knitted scarves is 10

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Step-by-step explanation:

Given as :

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Total number of scarves and mitten bought = 30

The total money invested to pay for items = $1000

Let The number of knitted scarves = k

Let The number of mitten = m

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

The total money invested to pay for items = cost of each knitted scarves × number of knitted scarves + cost of pairs of mittens × number of mitten

i.e $1000 = $50 × k + $25 × m

Or, 40 = 2 k + m

i.e 2 k + m = 40           ........A

And

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i.e k + m = 30            ...........B

Now, solving eq A and eq B

So, (2 k + m ) - ( k + m ) = 40 - 30

Or, (2 k - k) + ( m - m) = 10

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So,  The number of knitted scarves = k = 10

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3 years ago
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Answer:

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Step-by-step explanation:

-4t+15=-1

Subtract 15 on both sides:

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3 0
3 years ago
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