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bonufazy [111]
3 years ago
5

decide if the following change is an increase or decrease. then determine the percent of change. senior citizen receive a 10% di

scount off the price of a regular dinner special at The Dinner Bell Restaurant.if the cost for a senior citizen to purchase a featured dinner special is $12.60, find the original price of a regular dinner special.
Mathematics
1 answer:
BARSIC [14]3 years ago
8 0

The oldster got a discount, so the original price is higher; let's call it x;

(1 - 0.10) x = 12.60

.9 x = 12.60

x = 12.60/0.9  = 14.00

Answer: $14.00

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The number of people who have heard a rumor often grows exponentially. Consider a rumor that starts with 3 people and where the
Marysya12 [62]

Answer:

3.9125 × 10⁵² people

Step-by-step explanation:

A rumor starts with 3 people and the number of people who heard it doubles each day.

How many people would have heard the rumor after 20 days?

To calculate exponential growth, we use the formula:

y (t) = ae^{kt}

where;

a = value at the start =3

k = growth rate = 2×3 = 6

t = time = 20 days

y(t) = value of the population at the given time (t) =??

y(t) = 3 \times e^{6\times 20}

y(t) = 3.9125 × 10⁵² people

4 0
3 years ago
Ok if you have 734
White raven [17]
The answer you will need is seven hop I was helpful do me a favor and click on thank on the bottom
5 0
3 years ago
Solve for qqq. 3\left(q+\dfrac43\right) = 23(q+ 3 4 ​ )=2<br>pls answer this
enyata [817]

Answer:

<h2>19/3</h2>

Step-by-step explanation:

Given the expression 3\left(q+\dfrac43\right) = 23, we are to find the value of q;

3\left(q+\dfrac43\right) = 23\\on\ expansion\\\\3q + 4/3(3) = 23\\\\3q+4 = 23\\\\subtract \ 4\ from \ both\ sides \ of \ the \ equation\\\\3q+4-4 = 23-4\\\\3q = 19\\\\Diviide \both\ sides \ by \ 3\\\\3q/3 = 19/3\\\\q = 19/3

Hence the value of q is 19/3

6 0
3 years ago
Please answer this question full
ira [324]
(5x-2) + (2x+6) = 67, so we simplify and solve for x:
7x + 4 = 67 --> 7x = 63 --> x = 9

Now we substitute 9 for x in (5x-2):
5(9) - 2 --> 45 - 2 = 43

The distance between A and B is 43 miles.
Hope this Helps!
Brainliest Please!
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3 years ago
30. Justify Reasoning The quotient of two negative integers results in an integer. How does the value of the quotient compare to
Ratling [72]
The quotient of 2 negative integers results in an integer.
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the value of the quotient is positive whereas, the value of the original 2 integers are both negative. The reason being, is that when u divide two negatives, u get a positive.
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2 years ago
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