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antoniya [11.8K]
4 years ago
15

(BEST ANSWER GETS BRAINLIEST)(!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
yawa3891 [41]4 years ago
5 0
$12950 is the initial cost. This is because, in the function <span>f(d)=275d+12,950,
275 is the amount that changes depending on the number of days, d is th enumber of days so 12950 would be the initial amount that never changes.</span>
Ksenya-84 [330]4 years ago
4 0
<span>The initial cost is $12,950.

Hope this was helpful!</span>
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Someone help please I'm having a hard time understanding​
Over [174]

Answer:

the angle shown is a straight angle value of which is equal to 180°

3x + 30. 6 = 180

3x = 180 - 30. 6

3x = 149.4

<h3>x = 49.8</h3>
8 0
3 years ago
Please help with the attachment below! I forgot how to do these xD
Triss [41]
Use Mathpapa or symbolab, they are both very useful resources, and have saved me many times
8 0
3 years ago
Read 2 more answers
Can someone please help me solve this? thank you!:)
Nataliya [291]

First, we need to set up our two equations. For the picture of this scenario, there is one length (L) and two widths (W) because the beach removes one of the lengths. We will have a perimeter equation and an area equation.

P = L + 2W

A = L * W

Now that we have our equations, we need to plug in what we know, which is the 40m of rope.

40 = L + 2W

A = L * W

Then, we need to solve for one of the variables in the perimeter equation. I will solve for L.

L = 40 - 2W

Now, we can substitute the value for L into L in the area equation and get a quadratic equation.

A = W(40 - 2W)

A = -2W^2 - 40W

The maximum area will occur where the derivative equals 0, or at the absolute value of the x-value of the vertex of the parabola.

V = -b/2a

V = 40/2(2) = 40/4 = 10

Derivative:

-4w - 40 = 0

-4w = 40

w = |-10| = 10

To find the other dimension, use the perimeter equation.

40 = L + 2(10)

40 = L + 20

L = 20m

Therefore, the dimensions of the area are 10m by 20m.

Hope this helps!

4 0
3 years ago
Read 2 more answers
an angle bisector of a triangle divides the opposite side of the triangle into segments 6 cm and 5cm long. A second side of the
rodikova [14]
There is a not so well-known theorem that solves this problem.

The theorem is stated as follows:
"Each angle bisector of a triangle divides the opposite side into segments proportional in length to the adjacent sides"  (Coxeter & Greitzer)

This means that for a triangle ABC, where angle A has a bisector AD such that D is on the side BC, then 
BD/DC=AB/AC

Here either
BD/DC=6/5=AB/AC, where  AB=6.9,  
then we solve for  AC=AB*5/6=5.75,

or

BD/DC=6/5=AB/AC, where  AC=6.9,  
then we solve for AB=AC*6/5=8.28

Hence, the longest and shortest possible lengths of the third side are
8.28 and 5.75 units respectively.

4 0
3 years ago
Read 2 more answers
Jane has 63m ribbon.If she cuts 56m 21cm ribbon from it,what length of ribbon will be left.​
marta [7]
Exchange : 63m = 6300 cm; 56m21cm= 5621cm
So the lengths of the ribbon will be left is : 6300 - 5621 = 679cm = 6.79 m

Hope it helps! If it is, Brainliest please!
7 0
3 years ago
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