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Illusion [34]
3 years ago
6

Which of the following expressions could give the total amount of a $45 restaurant bill with a 15% tip added on? (0.15)($45) (0.

15)($45) 1 + (0.15)($45) $45 + 0.15
Mathematics
1 answer:
Akimi4 [234]3 years ago
6 0
The correct answer is 45+45(0.15). This is because you need to first count the price, and then add on the tip which is a certain percentage of that price. Hope this helped!
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What is the measure of DE?
tatuchka [14]

Answer:

Step-by-step explanation:

Alright, lets get started.

The two chords are intersection each other at point B.

DBE=ABC

Both are opposite angles that is 39 degrees.

Angle ABC forms the arc AC which is given 41 degree.

The arc DE will be same length as arc AC because angle ABC and angle DBE are same that is 39 degrees.

So, arc DE = 41

So, the answer is DE = 41 degrees ....   Answer : option D

Hope it will help :)

5 0
3 years ago
Read 2 more answers
Suppose a parabola has an axis of symmetry at x=-5, a maximum height of 9, and passes through the point (-7,1). Write the equati
Nutka1998 [239]

the parabola has maximum at 9, meaning is a vertical parabola and it opens downwards.

it has a symmetry at x = -5, namely its vertex's x-coordinate is -5.

check the picture below.

so then, we can pretty much tell its vertex is at (-5 , 9), and we also know it passes through (-7, 1)


\bf ~~~~~~\textit{parabola vertex form} \\\\ \begin{array}{llll} y=a(x- h)^2+ k\qquad \leftarrow \textit{using this one}\\\\ x=a(y- k)^2+ h \end{array} \qquad\qquad vertex~~(\stackrel{}{ h},\stackrel{}{ k}) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \begin{cases} h=-5\\ k=9 \end{cases}\implies y=a[x-(-5)]^2+9\implies y=a(x+5)^2+9


\bf \textit{we also know that } \begin{cases} x=-7\\ y=1 \end{cases}\implies 1=a(-7+5)^2+9 \\\\\\ -8=a(-2)^2\implies -8=4a\implies \cfrac{-8}{4}=a\implies -2=a \\\\[-0.35em] ~\dotfill\\\\ ~\hfill y=-2(x+5)^2+9~\hfill

7 0
3 years ago
3 lb 9oz + 5lb 10 oz.
Eduardwww [97]

Answer:

9 lb 3 oz

Step-by-step explanation:

(3 + 5) lb + (9 + 10) oz

8 lb + 19 oz

16 oz = 1 lb

(8 + 1) lb + (19 - 16) ox

9 lb 3 oz

8 0
3 years ago
Brainliest + Points!
andre [41]

Answer:

Step-by-step explanation:

since you are already given the formula just plug in the numbers.

the only tricky part is r=rate must be in decimal form!!!

I=4,000(.035)(2)

I=280 (answer)

8 0
3 years ago
the stemplot below represents the distribution of the test scores for the final exam in a high school algebra course. what was t
Deffense [45]

Answer:

<u><em></em></u>

  • <u><em>Option A. 94</em></u>

Explanation:

The column of digits to the left (before the vertical line) contains the largest place-value digits.

Here is how you read the values:

  • First row: 65

  • Second row: 73, 74, 78

  • Third row: 80, 80, 81, 82, 85, 88, 89

  • Fourth row: 92, 93, 94.

Thus, the highest score received is 94.

8 0
3 years ago
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