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2 years ago

If five times a number plus two is 17 what is the number

Mathematics

2 answers:

Phoenix [80]2 years ago

7 0

5n + 2 = 17
-2 -2
5n = 15
/5 /5
n = 3

natali 33 [55]2 years ago

6 0

Then number is 3 because 3 times 5 is 15 and 15 plus 2 is 17. Hope this helps.

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11111nata11111 [884]

Here is your answer

$\frac{9}{16} \pi \: {units}^{2}$

REASON:

Circumference(C)= 2πr

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3 years ago

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Answer:

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Snezhnost [94]

Answer:

BD - AC = 0

Step-by-step explanation:

Given that:

BC = 36 , CD = 15 and BD = x

As these are forming right angled triangle,

Using Pythagorean theorem,

$(BD)^2+(CD)^2=x^2\\(36)^2+(15)^2 = x^2\\1296 + 225 = x^2\\1521 = x^2\\$

Taking square root on both sides

$\sqrt{x^2}=\sqrt{1521}\\x=39$

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Now,

BD - AC = 39 - 39 = 0

Hence,

BD - AC = 0

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