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tatuchka [14]
2 years ago
11

For some math loving friends ​

Mathematics
1 answer:
shtirl [24]2 years ago
7 0

The first step of finding the percent tip, we must find how much tip she paid:

     Tip = $38.61 - $33 = $5.61

To find the percent tip, we must divide the tip amount by the amount she paid before the tip

     $5.61 / $33 = 0.17 --> 17%

Thus the percent tip is 17%

Hope that helps!

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Y = -1/2x + 2.5 (no answer options)
ruslelena [56]
I mean i don't know what to do but i made this graph online using https://www.mathpapa.com/algebra-calculator.html

8 0
2 years ago
The graph (shown in red) below shows the solution set of which inequality?
Luden [163]

Answer:

I think that is a

Step-by-step explanation:

5 0
2 years ago
Axis of symmetry: x=4; points: (3,-2), (6,-26); opening downward
Andru [333]
Vertex form is
y=a(x-h)^2+k
vertex is (h,k)
axis of symmetry is x=4, therfor h=4
y=a(x-4)^2+k

we have some points
(3,-2) and (6,-26)
input and solve for a and k

(3,-2)
-2=a(3-4)^2+k
-2=a(-1)^2+k
-2=a(1)+k
-2=a+k

(6,-26)
-26=a(6-4)^2+k
-26=a(2)^2+k
-26=a(4)+k
-26=4a+k

we have

-2=a+k
-26=4a+k
multiply first equation by -1 and add to second

2=-a-k
<u>-26=4a+k +</u>
-24=3a+0k

-24=3a
divide both sides by 3
-8=a

-2=a+k
-2=-8+k
add 8 to both sides
6=k

the equation is
y=-8(x-4)^2+6
3 0
3 years ago
Find the area of the composite figure.
larisa86 [58]
Find the area of all the separate figures and add them together
area of rectangle = length x width
11 x 3 = 33 ft
area of square = a^2
3^2 = 9ft
area of triangle = base x height over 2
11 x 3 = 33
33 over 2 = 16.5 ft
33 + 9 + 16.5 = 58.5 ft ^ 2
8 0
3 years ago
Write 0.25 as a fraction
Anarel [89]
25/100 also 1/4
they are the same fraction, one of them is just simplified
4 0
2 years ago
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