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2 years ago

Help me please number 3

Mathematics

1 answer:

asambeis [7]2 years ago

3 0

Answer:

c = 26

Step-by-step explanation:

This is a right triangle, so we can use the Pythagorean theorem.

a^2 + b^2 = c^2

where a and b are the legs and c is the hypotenuse

10^2 + 24^2 = c^2

100 + 576 = c^2

676 = c^2

Take the square root of each side

sqrt(676) = sqrt(c^2)

26 = c

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Let p and q be rational. Prove that p+q is rational

Contact [7]

Let p and q rational numbers (what does it means?), then, p and q coul be written as

$p = \frac{a}{b},a, b \in \mathbb{Z}, b \neq 0\\\\q = \frac{c}{d}, c,d \in \mathbb{Z}, d \neq 0$

then,

$p +q = \frac{a}{b} + \frac{c}{d} = \frac{ad +bc}{bd}$

and we know that ad+bc is an integer, so, p +q is a rational number.

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3 years ago

What trig ratio uses hypotenuse and adjacent

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Answer:

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Step-by-step explanation:

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3 years ago

Ms speakman's smartphone is on sale for 25% off its list price. The sale priceof the smartphone is 51799,99, What expression can

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The expression that can be used to represent the list price of the smartphone is 5179.99 * (1- 25%) and the value is 3884.9925

<h3>What expression can be used to represent the list price of the smartphone? </h3>

The given parameters are:

Discount = 25%

Sales price = 5179.99

The expression that can be used to represent the list price of the smartphone is

Expression = Sales price * (1- discount)

So, we have:

Expression = 5179.99 * (1- 25%)

Evaluate

Expression = 3884.9925

Hence, the expression that can be used to represent the list price of the smartphone is 5179.99 * (1- 25%) and the value is 3884.9925

Read more about discounts at:

brainly.com/question/7459025

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1 year ago

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oee [108]

Answer:

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Step-by-step explanation

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3 years ago

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Andreyy89

Answer:

Step-by-step explanation:

can you translate that into English please?

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3 years ago