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galina1969 [7]
3 years ago
14

You ate at a restaurant. After receiving the bill, you calculated the tip to give your server. Determine the dependent variable.

Mathematics
1 answer:
ziro4ka [17]3 years ago
8 0
Answer: The dependent variable is the amount of the bill

Explanation: The dependent variable is a variable whose value depends on that of another. So that means that in order to calculate the tip you must know the bill amount.
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30+1.95x=7.95x

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x=5
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Which number is larger? (1 mark)<br><br> 0.67 or<br> 2/3
KengaRu [80]

Answer:

0.67

Step-by-step explanation:

2/3= to 0.66 which means 0.67 would be technally larger than 0.66

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Describe a process you would use to create the perpendicular bisector to a segment AB using only an unmarked straightedge and an
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Consider the sequence:
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Answer:

  a_n = 2^n + 3

Step-by-step explanation:

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3 years ago
Read 2 more answers
An arch is in the shape of a parabola. It has a span of 100 feet and a maximum height of 25 ft.
faltersainse [42]

Answer:

y=-\frac{1}{100}(x-50)^2+25

the height of the arch 10 feet from the center is 24 feet

Step-by-step explanation:

An arch is in the shape of a parabola. It has a span of 100 feet, the vertex lies at the center 50 and the maximum height of 25 ft.

Vertex at (50,25)

vertex form of the equation is

y=a(x-h)^2+k, (h,k) is the center

y=a(x-50)^2+25

the parabola starts at (0,0) that is (x,y)

0=a(0-50)^2+25

subtract 25 from both sides

-25=a(-50)^2

-25=a(2500)

divide both sides by 2500

a=-\frac{1}{100}

y=-\frac{1}{100}(x-50)^2+25

the height of the arch 10 feet from the center.

center is at 50, 10 feet from the center so x=40 and x=60

y=-\frac{1}{100}(40-50)^2+25

y=24

the height of the arch 10 feet from the center is 24 feet

4 0
3 years ago
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