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True [87]
2 years ago
11

natalie was out at a restaurant for dinner when the bill came. her dinner came to $29. after tipping in a tip, before tax, she p

aid $34.22. find the percent tip
Mathematics
1 answer:
Free_Kalibri [48]2 years ago
3 0

Answer:

%18 tip

Step-by-step explanation:

The dinner cost was $29 before tip

after tip it was $32.22

34.22-29= $5.22  she tipped

$29 * %x = $5.22

After solving this equation, the x is %18

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a caterer charges $120 fo cater 15 people and $200 for 25 people. Write an equation in slope-intercept form to model thus situat
Rashid [163]

Answer:


Step-by-step explanation:Write as two points in terms of: (number of people, cost in $)

�

(15,120) and (25,200)

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Find the equation of the line using:

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m = (y2 – y1) / (x2 – x1) and y = mx + b

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Equation:

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Y = 8x

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plug in x = 40

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y = 8(40) = 320

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A party of 40 people will cost $320.00.

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Slope:

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m = 8 $/person

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For every person that attends the party, the caterer’s bill increases by $120.00.

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y-intercept: 0

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(0,0)

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This tells us that if no one attends the party, the caterer’s bill will be $0.00. So the

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caterer has no base cost they charge to caterer a party.

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7 0
2 years ago
What is equivalent to (x-1)^2​
ioda

Answer:

x^2 - 2x + 1

Step-by-step explanation:

(x-1)^2 = (x-1)(x-1)

= x^2 - x - x + 1

= x^2 - 2x + 1

4 0
3 years ago
Read 2 more answers
Explain why 10÷4 = 10/4.
mestny [16]

Answer:

the slash is the same as a division sign. it is also used for fractions. when you are trying to divide fractions to turn it into a decimal, you use the same sign to divide.

Step-by-step explanation:

hope this helps :)

4 0
3 years ago
Read 2 more answers
How many solutions does the equation 3x + 6 = −1 − 3 + 4x have
VashaNatasha [74]

Answer:

ONE: x = 10

Step-by-step explanation:

3x + 6 = -1 - 3 + 4x

3x + 6 = -4 + 4x       |subtract 6 from both sides

3x = -10 + 4x      |subtract 4x from both sides

-x = -10      |change the signs

x = 10

6 0
3 years ago
A rectangle is 6 inches longer than it is wide. The perimeter of the rectangle is 44 inches.Write and solve an equation for the
Nataly_w [17]

Answer:

Length is 14 in

Width is 8 in

Step-by-step explanation:

<u>Given:</u>

  • Length = l
  • Width = w
  • Perimeter = P = 44 in
<h3>Solution</h3>

<u>Equations as per given:</u>

  • l - w = 6
  • P= 2(l+w) = 44 ⇒ l +w = 22

<u>Adding up the two equations:</u>

  • l - w  + l +w = 6 + 22
  • 2l = 28
  • l = 28/2
  • l = 14 in

<u>Then finding the value of w:</u>

  • w = l -6
  • w = 14 - 6
  • w = 8 in

<u>Answer:</u> The length of the rectangle is 14 inches and width is 8 inches

5 0
2 years ago
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