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dybincka [34]
3 years ago
6

Roscoe's family has a dinner at a restaurant. The total cost is $103.80. This includes 5% tax and 15% tip on the pre-tax amount.

How much was the bill before tax and tip?
Mathematics
1 answer:
Alla [95]3 years ago
4 0
$83.04 is the total before tax and the tip
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Leeza did this to solve an equation. Did she makes an error 4x=7+3(2x-5) 4x=7+6x-5
katrin [286]

Yes, there was a mistake in applying the distributive property. If you have to perform

3(2x-5)

you have to multiply both terms in the parenthesis by 3, not just the first one.

So, the correct expansion would be

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8 0
3 years ago
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VARVARA [1.3K]

Probability helps us to know the chances of an event occurring. There are 8 different scenarios possible.

<h3>What is Probability?</h3>

Probability helps us to know the chances of an event occurring.

\rm Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}

For the given word SANDWICH, there are 8 different scenarios possible, which can be represented as shown below.

Hence, there are 8 different scenarios possible.

Learn more about Probability:

brainly.com/question/795909

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8 0
2 years ago
Given: ​△ACE, BD​∥AE<br><br> Prove: BA/CB=DE/CD<br><br> Drag
gizmo_the_mogwai [7]

Answer:


Step-by-step explanation:

Angle 4 = angle 1 and angle 3 =angle 2        Corresponding angles for two        parallel lines BD and AE

Triangle AED ||| BDE                                       Angle angle congruent

...                                                                       By compendo and dividendo

Thus proved

Since two lines are parallel we have corresponding angles equal and also

sides will be proportional in similar triangles

Using that and adjusting compendo and dividendo we get the desired result

6 0
3 years ago
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<span>y = slope*x + y-intercept;
</span>We can rewrite our equation in a shorter form : y = mx + b;
y = x + 2 ; m1 = 2 and b1 = 2;
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<span>Set the two equations for y equal to each other:
</span>x + 2 = -x + 6 ;
<span>Solve for x. This will be the x-coordinate for the point of intersection:
</span>2x = 4;
x = 2;
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</span>y = 2 + 2 ;
y = 4;
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7 0
4 years ago
is it possible for a percent increase or decrease to be over 100% explain why or why not this is possible
Ivahew [28]
No because there has to be a remaining opposite persent
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