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Gre4nikov [31]
3 years ago
8

ScrapBook,you cut a picture into a right triangle for your scrapbook, the lengths of the lago of the triangle are 4 inches and 6

inches is the length of the hypotenuse a rational number
Mathematics
1 answer:
AveGali [126]3 years ago
6 0

Answer:

hypotenuse is not a rational number

Step-by-step explanation:

In a Right angled triangle , if a, b are the sides and h be the hypotenuse then relationship between them is given by

h^{2} = a^{2} + b^{2}

Here,

         a= 4 in.        [Given]

          b = 6 in.       [Given]

Thus ,

  h^{2}  = 4^{2} + 6^{2}

  h^{2}  =  16 + 36

  h^{2}  = 52.

   h = \sqrt{52}  = 7.21110255......

Clearly, h is not a rational number

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Find the value of x in the isosceles triangle shown<br>​
Norma-Jean [14]

Answer:

x = \sqrt{13}

Step-by-step explanation:

The line from the vertex to the base is a perpendicular bisector and divides the triangle into 2 right triangles.

Consider the right triangle on the left with base 2

Using Pythagoras' identity

The square on the hypotenuse (x) is equal to the sum of the squares on the other 2 sides, that is

x² = 2² + 3² = 4 + 9 = 13 ( take the square root of both sides )

x = \sqrt{13}

3 0
3 years ago
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3 1 <br><br>-- + -- =<br><br>4 8<br><br><br>Pls answer quickly
Tamiku [17]

Answer:

79

Step-by-step explanation:

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3 years ago
Wilma and Betty - Two neighbors, Wilma and Betty, each have a swimming pool. Both Wilma's and Betty's pools hold 10500 gallons o
Sauron [17]

Answer:

11 hours 15 mins

Step-by-step explanation:

Wilma & Betty both have a pool that holds 10500 gallons of water each.

Wilma's garden hose fills at the rate of 700 gallons per hour.

Betty's garden hose fills at a rate of 400 gallons per hour.

Volume = Rate * time

Time = Volume /rate

The time it will take for Wilma's pool to be filled = 10500/700

= 15 hours

The time it will take for Betty's pool to be filled = 10500/400

= 26.25hours

= 26 hours 15 minutes

it will take Betty (26.25 - 15) to fill her pool than Wilma.

= 11.25hours

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6 0
3 years ago
Which represents the solution up above ^^^^^^^^^^
Fynjy0 [20]

Answer:

-2x <= x < 3

Step-by-step explanation:

Subtract 4 from all sections to isolate the x and then divide everything by 3 to make there be only 1 x

5 0
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An office supply store recently sold a black printer ink cartridge for $17.99 and a color printer ink cartridge for $20.99. At t
UNO [17]

Answer:

40 black ink cartridges and 19 colored ink cartridges

Step-by-step explanation:

Let b represent the number of black printer ink cartridges sold. Let c represent the number of color printer ink cartridges sold.

Set up a system of equations:

\displaystyle\\\begin{cases}b+c=59\\17.99b+20.99c=1,118.41\end{cases}

b+c=59\implies b=59-c

Substitute:

\displaystyle\\17.99(59-c)+20.99c=1,118.41\\\implies c=\boxed{19}

\implies b+19=59\implies b=\boxed{40}

⇒ 40 black ink cartridges, 19 colored ink cartridges (ans)

8 0
2 years ago
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