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mr_godi [17]
3 years ago
13

4 friends agreed to divid the dinner bill equally. The cost of dinner was 45.80. Find the unit rate that represents how much eac

h friend paid for dinner
Mathematics
1 answer:
Lapatulllka [165]3 years ago
8 0

Answer:

25% each

Step-by-step explanation:

45.8÷4=11.45 each.

so.if 45.8 is equal to 100%

11.45 how mych will be?

11.45×100÷45.8

1145÷45.8 = 25%

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leonid [27]

Answer:

<h2>x=0</h2>

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
I REALLY NEED HELP FOR THIS ONE
Natasha2012 [34]

Answer:

<h2>            A = 27(2√3-π) cm² ≈ 8.71 cm²</h2>

Step-by-step explanation:

Area of shaded region it is area of hexagon minus area of circle.

A regular hexagon is comprised of six equilateral triangles (of the same sides).

So its area:  A_1=6\cdot\dfrac{S^2\sqrt3}{4}=\dfrac{3S^2\sqrt3}2     {S = side of the triangle}

Height (H) of such a triangle is equal to radius (R) of a circle inscribed in the hexagon:

R = H = \dfrac{S\sqrt3}{2}

Area of shaded region:

A=A_1-A_\circ=\dfrac{3S^2\sqrt3}2-\pi R^2=\dfrac{6S^2\sqrt3}4-\pi\left(\dfrac{S\sqrt3}2\right)^2=\dfrac{S^2(6\sqrt3-3\pi)}4

S = 6 cm

so:

A=\dfrac{6^2(6\sqrt3-3\pi)}4=\dfrac{36(6\sqrt3-3\pi)}4=9(6\sqrt3-3\pi)=27(2\sqrt3-\pi)\ cm^2\\\\A=27(2\sqrt3-\pi)\ cm^2\approx8.71\ cm^2

3 0
3 years ago
How do I do this because I don't understand how to do the ratio
Elena L [17]
Can u post a clearer pic? i can help u if u do :)
8 0
3 years ago
PLEASE HELP ME evaluate cot pi/5
BaLLatris [955]
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3 years ago
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Question Is Below! Please be quick!
ANTONII [103]
Take the difference 3%
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3 years ago
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