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kolezko [41]
3 years ago
6

Estimate a 15% tip on a dinner bill of $43.17 by first rounding the bill amount to the nearest ten dollars.

Mathematics
1 answer:
ANTONII [103]3 years ago
6 0

Answer:

The tip is 6 dollars

Step-by-step explanation:

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A wheelchair ramp rises 2.25 feet for every 25 feet of horizontal distance it covers. what is the slope of the ramp?
damaskus [11]
Slope is Rise over Run 

<span>So the slope would be 2.25 / 25

Hope I helped :)</span>
3 0
4 years ago
Use the equation r =2.1x^2 -14.3x +35, where x is the number of years after 2000, to determine the revenue from the sales of U.S
xxMikexx [17]

Answer:

Step-by-step explanation:

Given that:

r = 2.1x^2 - 14.3x + 35

For year 2000; x = 0

So; r (0) = 2.1(0)^2 - 14.3(0) + 35

r (0) =  35

For year 2001; x = 1

r (1) = 2.1(1)^2 - 14.3(1) + 35

r (1) =22.8

For year 2002; x = 2

r (2) = 2.1(2)^2 - 14.3(2) + 35

r (2) = 14.8

For year 2003; x = 3

r (3) = 2.1(3)^2 - 14.3(3) + 35

r (3) = 11

For year 2005; x = 5

r (5) = 2.1(5)^2 - 14.3(5) + 35

r(5) = 16

For year 2010; x = 10

r (10) = 2.1(10)^2 - 14.3(10) + 35

r(10) = 102

For year 2018; x =18

r(18) = 2.1(18)^2 - 14.3 (18) + 35

r(18) = 458

Thus, the table can be presented as seen below.

Year      2000     2001     2002     2003     2005     2010     2018

x               0             1             2            3           5            10         18

r(x)          35          22.8        14.8        11            16         102      458

SO, we will notice that the revenue for the albums starts decreasing and when it reaches the minimum, it started increasing with increasing x.

The attribute behind this trend is because the revenue function r(x) typically implies that it is a quadratic function.

6 0
3 years ago
2) Jimmy was going to sell all of his stamp
PSYCHO15rus [73]
48 stamps because 29-5=24 , 24x2=48
8 0
3 years ago
Simply the imaginary number square root -45
Paraphin [41]

Answer:

3i\sqrt{5}

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

and \sqrt{-1} = i

Given

\sqrt{-45}

= \sqrt{9(5)(-1)}

= \sqrt{9} × \sqrt{5} × \sqrt{-1}

= 3 × \sqrt{5} × i

= 3i\sqrt{5}

6 0
3 years ago
20 points and will mark brainliest
mixer [17]

Answer:

a \leqslant x \leqslant e

Step-by-step explanation:

The domain is simply the farthest left ppint to the farthest right point on the graph.

4 0
4 years ago
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