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3 years ago

28 cm 45 cm What is the length of the hypotenuse?

Mathematics

2 answers:

maksim [4K]3 years ago

8 0

Answer:

53 cm

Step-by-step explanation:

Using Pythagoras Theorem,

The hypotenuse

$= \sqrt{ {28}^{2} + {45}^{2} }$

$= \sqrt{2809}$

= 53 cm

Leni [432]3 years ago

4 0

Answer:

Step-by-step explanation:

$28^{2} +45^{2} = c^{2}$

$\sqrt{2809}$

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If one number is five more than another number, and the smaller number is half of the larger number, what are the two numbers?

Ymorist [56]

Answer:

<h2>Larger number = 10</h2><h2>Smaller number = 5</h2>

Step-by-step explanation:

Let larger number be x

Let smaller number be y

$x = 5 + y$ ---> equation (i)

$y = \frac{1}{2} x$

$x = 2y$ -----> equation (ii)

Equate equation (i) and (ii),

$5 + y = 2y$

Move variable to L.H.S and change its sign:

Similarly, Move constant to R.H.S and change its sign

$y - 2y = - 5$

$- y = - 5$

The difference sign (-) will be cancelled on both sides

$y = 5$

Putting the value of y in equation (ii) in order to find the value of X ( larger number)

$x = 2y$

Plug the value of y

$= 2 \times 5$

Calculate the product

$= 10$

Hence,

Smaller number = 5

Larger number = 10

Hope this helps..

Best regards!!

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3 years ago

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MULTIPLE CHOICE A thermometer is

pav-90 [236]

The absolute value equation which could be used to obtain the greatest and least possible temperature values when the temperature reading is 17°F is (17 ± 2)°F

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The least possible value of temperature can be calculated thus :

Thermometer reading - thermometer accuracy

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The highest possible temperature can be calculated thus :

Themometer reading - thermometer accuracy

17 + 2 = 19°F

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