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Kisachek [45]
3 years ago
8

Evaluate the expression 7x-10

Mathematics
1 answer:
RoseWind [281]3 years ago
4 0

Answer:

-3x

Step-by-step explanation:

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Slove for all the possible values of x. √21-4x=x-6
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Answer:

x=2.116

Step-by-step explanation:

\sqrt{21} -4x=x-6

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At the end of the day, a bakery gives everything that is unsold to food banks for the needy. If it has 12 apple pies left at the
juin [17]

Answer:

462 ways

Step-by-step explanation:

The formula to use in solving this problem is given as the Combination formula

The Combination formula is given as

C(n , r) = nCr = n!/r! (n - r)!

We are told that a food bakery has 12 pies unsold at the end of the day which they intend to share to 6 food banks

n = 12, r = 6

In order to ensure that at least 1 food bank gets 1 pie, we have:

n - 1 = 12 - 1 = 11

r - 1 = 6 - 1 = 5

Hence,

C(11, 5) = 11C5

= 11!/ 5! ×(11 - 5)!

= 11!/5! × 6!

= (11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1)/ (5 × 4 × 3 × 2 × 1) ×( 6 × 5 × 4 × 3 × 2 × 1)

= 462 ways

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The equation of a vertical line passing through the point (-5,-1) is x = -5

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