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Dovator [93]
2 years ago
10

Your lunch bill for Saturday after noon is $12.19. You leave a 20% tip and are charged 8% sales tax. Your lunch bill for Sunday

afternoon is $13.23. You leave a 15% tip and are charged 7% sales tax. For which meal do you pay more?​
Mathematics
1 answer:
m_a_m_a [10]2 years ago
7 0

Answer:

You pay more for your lunch bill on Sunday

Step-by-step explanation:

You pay a total of $15.80 on Saturday and $16.27 on Sunday

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denis-greek [22]
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3 years ago
Verify the pythagorean identity 1 + c o t ^2 θ = c s c ^2 θ
Grace [21]

Answer: The identity is verified. See the explanation.

Step-by-step explanation:

You must keep on mind the following identities:

csc\theta=\frac{cos\theta}{sin\theta}\\\\csc\theta=\frac{1}{sin\theta}\\\\sin^2\theta+cos^2\theta=1

Therefore, by substitution, you can rewrite the identity as shown below:

1+cot^2\theta=csc^2\theta\\\\1+\frac{cos^2\theta}{sin^2\theta}=csc^2\theta

Simpliying, you obtain:

\frac{sin^2\theta+cos^2\theta}{sin^2\theta}=csc^2\theta\\\\\frac{1}{sin^2\theta}=csc^2\theta\\\\csc^2\theta=csc^2\theta

The identity is verified.

6 0
3 years ago
A shirt costs $30 but is on sale for 25% off. How much does the shirt cost after the sale?
FrozenT [24]

Answer:

$22.50

Step-by-step explanation:

Find 25% of 30 and then take away that amount from 30.

6 0
3 years ago
18x=36 with a full explanation and I will give you brainlyest
iris [78.8K]

Answer:−18x>36

Divide both sides by −18. Since −18 is negative, the inequality direction is changed.

x< −18

36

​

Divide 36 by −18 to get −2.

x<−2

Step-by-step explanation:

Hope this helps!

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13²+4−1

Step-by-step explanation:

<em><u>hope it helps</u></em>

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3 years ago
Read 2 more answers
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