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konstantin123 [22]
3 years ago
11

I really need a answer i am desperate, A, B, C, and D please.

Mathematics
1 answer:
iris [78.8K]3 years ago
3 0
For A: 1 senior; 1 infant; 2 children; 4 adults, out of 8 people
for B: 1 senior; 3 infants; 6 children; 6 adults, out of 16 people
for D: $43.75
for E: $76.25
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Gemiola [76]

Hey there! I'm happy to help!

First we need to find the slope, which is the incline of the line. To do this, you divide the difference of the y values by the difference of the the x values.

3-8=-5

-2-0=-2

-5/-2=5/2

To find the y-intercept, you want to find where the line hits the y-axis. Well, the point (0,8) tells us that the y-intercept is 8. The y-axis is where x=0, so our y-intercept is 8.

Slope intercept form is y=mx+b, where m is the slope and b is the y-intercept.

So....

y=5/2x+8.

Have a wonderful day! :D

5 0
3 years ago
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HELP <br> The solutions to the equation<br><br> 2cosθ−sinθ=0<br><br> for 0∘≤θ≤360∘ are
konstantin123 [22]

Answer:

θ ∈ { 90 ∘ , 210 ∘ , 270 ∘ , 330 ∘ }

step by step explanation:

Factoring the left side of

2 sin ( θ ) cos ( θ ) + cos ( θ ) = 0

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cos ( θ ) ⋅ [ 2 sin ( θ ) + 1 ] = 0

Which implies (for  θ ∈ [ 0 , 360 ∘])

either     cos ( θ ) = 0

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OR

2 sin ( θ ) + 1 = 0

→  sin  ( θ )=− 1 2 → θ = 210 ∘ or 330 ∘

→  θ = 210∘ or 330∘

8 0
2 years ago
A function will have at most, one y-intercept.<br> O True<br> O False<br> Please answer ASAP thanks
Natasha_Volkova [10]
Answer: True. . . . . .
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IgorC [24]
I am no expert but i got.
28.27
i hope this helps, sorry if i am wrong
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3 years ago
Solve x^2 - x = 2 using the quadratic formula. Show your work.
lesya [120]
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x=(-b±√(b^2-4ac))/(2a), we have x^2-x-2=0 so

x=(1±√(1+8))/2

x=(1±√9)/2

x=(1±3)/2

x=-1 and 2
8 0
3 years ago
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