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Komok [63]
3 years ago
5

The Johnsons spent a total of ​$69.96 for dinner at their favorite restaurant last night. If this cost included a ​20%​ tip, how

much did the dinner cost before​ tip?
Mathematics
1 answer:
enyata [817]3 years ago
5 0
It would be 55.97

To find this you find what 20% of 69.96 is and subtract that number from 69.96 (in this case that number would be 13.99) So you would find your answer of 55.97
You might be interested in
The sides of a triangle have lengths of x, x + 5, and 25. If the longest side is 25, which of the following values of x would ma
Amiraneli [1.4K]
In a right angle, the sum of the squares of the two shorter sides is equal to the square of the longest side.
Here, the longest side is 25, the shorter sides are x and x+5.

x^2+(x+5)^2=25^2 \\
x^2+x^2+10x+25=625 \\
2x^2+10x+25=625 \ \ \ |-625 \\
2x^2+10x-600=0 \ \ \ |\div 2 \\
x^2+5x-300=0 \\
x^2+20x-15x-300=0 \\
x(x+20)-15(x+20)=0 \\
(x-15)(x+20)=0 \\
x-15=0 \ \lor \ x+20=0 \\
x=15 \ \lor \ x=-20


The length of a side must be a positive number, so x=15.
The answer is C.
6 0
3 years ago
Please help.<br>Algebra 1 FLVS.​
yawa3891 [41]

Answer:

f(1) = - 2

Step-by-step explanation:

f(1)

Means find the value of y when x = 1

From the graph the point (1, - 2)

is the point where y is - 2 and x is 1

Thus

f(1) = - 2

7 0
3 years ago
Month
prohojiy [21]

Answer:Secondary sources are works that analyze, assess or interpret an historical event, era, or phenomenon, generally utilizing primary sources to do so. Secondary sources often offer a review or a critique. Secondary sources can include books, journal articles, speeches, reviews, research reports, and more.

Step-by-step explanation:

4 0
2 years ago
Which equation can be used to represent "six added to twice the sum of a number and four is equal to one-half of the difference
UkoKoshka [18]

Answer:

6+(2x+4)=1/2-(3+x) okay I hope this is it.

Good luck on this.

6 0
3 years ago
Please help! Hurry please!!!!!
Romashka [77]
Its 8:00, because four 15 minutes is 9:00, so when you go back four 15 minutes, its 8:00
7 0
3 years ago
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