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almond37 [142]
3 years ago
15

Pls help ill give brainlist

Mathematics
2 answers:
Elden [556K]3 years ago
8 0

Answer:

2

Step-by-step explanation:

$24 equals 7 pencils, each x dollars worth, and the $10 left over: 24=7x+10.

Solve for x,  24-10=7x

14=7x

$2=x

The cost of each pencil is $2  

DaniilM [7]3 years ago
4 0

Answer:

$2

Step-by-step explanation:

→ Work out how much she spent

24 - 10 = 14

→ Divide it by the amount of pencils

14 ÷ 7 = 2

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\displaystyle \frac{1}{1+\sin\theta} = \sec^2\theta - \sec\theta \tan\theta

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\displaystyle \frac{1}{1+\sin\theta}\left(\frac{1-\sin\theta}{1-\sin\theta}\right) = \sec^2\theta - \sec\theta \tan\theta

Simplify. The denominator uses the difference of two squares pattern:

\displaystyle \frac{1-\sin\theta}{\underbrace{1-\sin^2\theta}_{(a+b)(a-b)=a^2-b^2}} = \sec^2\theta - \sec\theta \tan\theta

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