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astra-53 [7]
3 years ago
13

Emilia ate lunch at a restaurant. The bill came to $51. If she left a 15% tip, how much was the tip?

Mathematics
2 answers:
masya89 [10]3 years ago
7 0

Answer:

A

Step-by-step explanation:

Arturiano [62]3 years ago
4 0

Answer:

7.65

Step-by-step explanation:

15% of 51 is 7.65

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What is the angle e in the triangle below? (Hint: Use an inverse trigonometric
yuradex [85]

Answer:

A

Step-by-step explanation:

sin θ=3/8

θ=sin ^{-1}(3/8)

≈22.02 °

5 0
2 years ago
Read 2 more answers
Subtract (8x + 9) - (6x - 1)
il63 [147K]

Answer:

=2x+10

Step-by-step explanation:

Let's simplify step-by-step.

8x+9−(6x−1)

Distribute the Negative Sign:

=8x+9+−1(6x−1)

=8x+9+−1(6x)+(−1)(−1)

=8x+9+−6x+1

Combine Like Terms:

=8x+9+−6x+1

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Answer:

=2x+10

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3 years ago
How do you find the scale factor?
Anika [276]

Answer:

The scale factor is the ratio of the length of a side of one figure to the length of the corresponding side of the other figure.

Step-by-step explanation:

6 0
2 years ago
A property agent charges a commission of 2.5% on the selling price of a house. If the agent sells a house $650000, find the amou
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650000(0.025) = $16,250

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1<br> 2. Verify that (1 - cos^20) CSc^20 =<br> (4 Points)
dolphi86 [110]
(1-cos^2(x)) csc^2(x)=1

one of the trigonometry rules is sin^2(x) + cos^2(x) = 1 if you rearrange this you realize that sin^2= 1-cos^2(x)

we also know that csc^2(x)= 1/sin^2(x) so now you can rewrite your equation as:

sin^2(x) x 1/sin^2(x) = 1

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the LHS (left hand side) can cancel down to 1 because the numerator and denominator are the same

so then 1=1 Therefore LHS=RHS

Hope this helps
3 0
3 years ago
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