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3 years ago

A right triangle has a leg of 11 cm and a hypotenuse of 17 cm.

Mathematics

2 answers:

Law Incorporation [45]3 years ago

5 0

Answer:

13.0

Step-by-step explanation:

Just took the test

Vedmedyk [2.9K]3 years ago

4 0

The answer would be the second option, 13.0 cm.

To find the missing length of the leg, you would use the pythagorean theorem and substitute your inputs in.

a^2+b^2=c^2
11^2+b^2=17^2
121+b^2=289
b^2=168
b=12.96
b=13.0 cm (rounded up)

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Answer:

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Step-by-step explanation:

Let admission fee charged by amusement park in dollars be = $x$

Let cost of each ride in dollars be = $y$

Given:

Admission plus four rides cost $22

If each ride cost in dollars = $y$

Cost of 4 rides in dollars will be = $4y$

So, the total cost in dollars will be given as = $x+4y$

So, we have

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If each ride cost in dollars = $y$

Cost of 7 rides in dollars will be = $7y$

So, the total cost in dollars will be given as = $x+7y$

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$x+7y=31$

So, we have the system of equation as:

A) $x+4y=22$

B) $x+7y=31$

Solving the system by elimination method.

Eliminating $x$ by subtracting equation A from B.

$x+7y=31$

- $x+4y=22$

- - - [Sign of each term of subtract-ant gets reversed]

-----------------------------

$3y=9$

Dividing both sides by 3.

$\frac{3y}{3}=\frac{9}{3}$

∴ $y=3$

Plugging in $y=3$ in equation A.

$x+4(3)=22$

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Subtracting both sides by 12.

$x+12-12=22-12$

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