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Gre4nikov [31]
4 years ago
12

Bobby wants to leave a tip for her waitress equal to 15% of the bill. bobby's bill for her lunch was $18 . how much money repres

ents 15% of the bill?
Mathematics
1 answer:
Neko [114]4 years ago
8 0
$18 x 15%

18 x 0.15

$2.70
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Ill mark brainlest plz help asap
solniwko [45]
<h3>Answer:  $7.99</h3>

Explanation:

Pick any point listed and divide the y coordinate over the x coordinate.

The simplest choice is the point where x = 1

y/x = (7.99)/(1) = 7.99

Or we could say something like

y/x = (95.88)/(12) = 7.99

3 0
3 years ago
Find the value of each variable. What are x and y ?
hram777 [196]

Answer:

Step-by-step explanation:

since 105 + z is a straight line we know it equals 180 so we can use this equation

180 = 105 + z

simplify

75 = z

the since we know that all quadrilaterals equal 360 degrees we can add our two given number and z then subtract from 360:

102 + 85 + 75

= 262

now subtract

360 - 262

= 98

y = 98

hope this helps <3

8 0
3 years ago
Read 2 more answers
A cereal box is an example of_____ and ________
gayaneshka [121]
A cereal box is an example of a rectangular prism and a rectangle.
3 0
3 years ago
Solve
Oksanka [162]
Artaud is 12. To get this answer you first have to work backwards. So subtract 40 from 28 and you get -12. Then find the opposite of that which is 12.
7 0
4 years ago
Write an equation (a) in slope intercept form and (b) in standard form for the line passing through (1,9) and perpendicular to 3
maxonik [38]

Answer:

\large\boxed{a)\ y=\dfrac{5}{3}x+\dfrac{22}{3}}\\\boxed{b)\ 5x-3y=-22}

Step-by-step explanation:

\text{The slope-intercept form of an equation of a line:}\\\\y=mx+b\\m-slope\\b-y-intercept\\\\\text{Let}\ k:y=m_1x+b_1,\ l:y=m_2x+b_2\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\\\l\ \parallel\ k\iff m_1=m_2\\\\=========================\\\\\text{We have the equation of a line in the standard form.}\\\text{Convert it to the slope-intercept form.}\\\\3x+5y=1\qquad\text{subtract}\ 3x\ \text{from both sides}\\\\5y=-3x+1\qquad\text{divide both sides bvy 5}\\\\y=-\dfrac{3}{5}x+\dfrac{1}{5}\to m_1=-\dfrac{3}{5}

a)\\\\y=m_2x+b\\\\m_1=-\dfrac{3}{5}\to m_2=-\dfrac{1}{-\frac{3}{5}}=\dfrac{5}{3}\\\\\text{Put the value of slope and the coordinates of the given point (1, 9)}\\\text{to the equation of a line:}\\\\9=\dfrac{5}{3}(1)+b\\\\9=\dfrac{5}{3}+b\qquad\text{subtract}\ \dfrac{5}{3}\ \text{from both sides}\\\\\dfrac{27}{3}-\dfrac{5}{3}=b\\\\\dfrac{22}{3}=b\\\\\text{Finally:}\\\\y=\dfrac{5}{3}x+\dfrac{22}{3}

b)\\\\\text{The standard form of an equation of a line:}\\\\Ax+By=C\\\\\text{Convert the equation}\ y=\dfrac{5}{3}x+\dfrac{22}{3}\ \text{to the standard form:}\\\\y=\dfrac{5}{3}x+\dfrac{22}{3}\qquad\text{multiply both sides by 3}\\\\3y=5x+22\qquad\text{subtract}\ 5x\ \text{from both sides}\\\\-5x+3y=22\qquad\text{change the signs}\\\\5x-3y=-22

6 0
3 years ago
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