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Aliun [14]
3 years ago
6

You and a friend go out to eat, the food and drinks cost $22.50, and there is a 9% sales tax. How much is the bill? (Round to th

e nearest cent)
Mathematics
1 answer:
Ludmilka [50]3 years ago
6 0

Answer:

24.53

Step-by-step explanation:

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How do you find x in this question?
ivanzaharov [21]

Answer:

  x = 70°

Step-by-step explanation:

The relevant relations are ...

  • base angles of an isosceles triangle are congruent
  • consecutive interior angles where parallel lines meet a transversal are supplementary

__

Triangle OBQ is isosceles, so angle OQB = 40°. Triangle OPQ is isosceles, so angle OQP is x. The sum of angles OQB and OQP is angle BQP, which is supplementary to angle OPQ. That is, ...

  (40° +x) +x = 180°

  2x = 140° . . . . . . subtract 40°

  x = 70° . . . . . . divide by 2

_____

There are many ways to find x. The one shown here is just one of them. In general, right triangles, isosceles triangles, symmetry, inscribed angles can all be used to write relations involving the known angles and x.

7 0
2 years ago
Find the length segment AB if A(-1,7) and B(11,-1) (Round to 1 decimal place)
frosja888 [35]
The answer is c because you have to divide first and round the decimal by one place to the left or right
8 0
3 years ago
The center is (0, 0), and a point on the circle is (1, 0).
Mila [183]

Answer:

so it will be (1, 2)

Step-by-step explanation:

6 0
3 years ago
Please help (just tell me what i have to put in the blanks, i’ll give credit)
Misha Larkins [42]

Answer:

a. earned: $292.50

b. total: $2,092.50

Step-by-step explanation:

A = 1800 [1 + (0.065 * 2.5)] = 2092.5

A = $2,092.50

To find the amount is earned, subtract the total with how much to started with

2,092 - 1,800 = 292.50

5 0
3 years ago
Which of the following statements best describes the graph of x + y = 4?
vaieri [72.5K]
The last one is the only one that will work.
For the first one the y intercept is when x = 0. The point would be 0,4

The second one gives a point of (4,0)

The third one is nonsense. (4,4) is not on this line.

4 0
3 years ago
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