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allsm [11]
3 years ago
5

Evaluate the expression (18+7)+5³-9

Mathematics
2 answers:
wel3 years ago
5 0

Answer:

141

Step-by-step explanation:

lara31 [8.8K]3 years ago
3 0

Answer:

Step-by-step explanation:

18+7+5^3-9

25+125-9

150-9

141

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GuDViN [60]

Answer:

7740° / 45

Step-by-step explanation:

The sum of the interior angles is given by this formula: (n - 2) * 180°. So a regular 45-gon would have interior angles that add up to: (45 - 2) * 180°. = 43 * 180°. = 7740°. Now divide that by the 45 angles to find the measure of one interior angle

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3 years ago
if eight times a number is increased by 3 the result is 19 more than six times this digit. find the number
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Note: This answer is 100% correct.  

6 0
2 years ago
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In the congruent figures ABCD and WXYZ, which angles are corresponding?
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4 0
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Divide the combinations.<br><br> 60C3 / 15C3
Mariulka [41]
I hope you know what '!' means
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nCr=\frac{n!}{r!(n-r)!}
so
\frac{60C3}{15C3}=
\frac{ \frac{60!}{3!(60-3)!} }{ \frac{15!}{3!(15-3)!} }=
( \frac{60!}{3!(60-3)!})(\frac{3!(15-3)!}{15!})=
( \frac{60!}{3!(57)!})(\frac{3!(12)!}{15!})=
\frac{(60!)(3!)(12!)}{(3!)(57!)(15!)}=
\frac{(60!)(12!)}{(57!)(15!)}=
\frac{(60!)}{(57!)(15)(14)(13)}=
\frac{(60)(59)(58)}{(15)(14)(13)}=
\frac{(30)(59)(58)}{(15)(7)(13)}=
\frac{(6)(59)(58)}{(3)(7)(13)}=
\frac{6844}{91}
4 0
3 years ago
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