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Sedaia [141]
3 years ago
7

Brianna is hiking on a mountain trail. she hikes 345 feet up hill but a horizontal distance of 295 feet. to the nearest degree.

what is the angle of elevation of the trail?
Mathematics
1 answer:
ipn [44]3 years ago
8 0
The correct answer is 31 degrees. 
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The area of a rectangle is 48, and its length is 8. What is the perimeter of this rectangle? PLEASE HELP
Aloiza [94]

Answer:

28

Step-by-step explanation:

Because 8 times 6 is 48 for the area so 6 and 8 multiply by two then combined is 28.

7 0
3 years ago
-8x^2+4x+5=0 using quadratic formula
daser333 [38]
So you want to solve for x?

It would be nice if this would easily factor:
(-4x + 5)(2x +1)  = 0    This will not work!

So you need to use the quadratic formula:
a = -8, b = 4, c = 5

x = \frac{-b+/-  \sqrt{b^{2}-4ac} }{2a}

x = (-4 +/- \sqrt{16-4(-8)(5)})/2(-8)
   = (-4 +/- \sqrt{16 + 160})/-16
   = (-4 +\sqrt{176})/-16
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6 0
3 years ago
There are three shapes in front of you. The square has a side of 4 meters.
jolli1 [7]

Answer:

Example: A four-sided shape has two adjacent sides with lengths of 4 meters. You can find the area of this square by multiplying its base times its height: 4 × 4 = 16 square meters. Example: A square's diagonals are both equal to 10 centimeters.

7 0
3 years ago
Add 34+(−212) using the number line. Select the location on the number line to plot the sum.
nexus9112 [7]

Answer:

-1 3/4

Step-by-step explanation:

3/4 + (-2 1/2)

3/4 - 2

-1 3/4

5 0
3 years ago
When would it be more useful to represent a proportional relationship with a graph rather than an equation
kolezko [41]
It would be <span>more useful to represent a proportional relationship with a graph rather than an equation when you need to compare two things visually. The graph gives you a clearer idea than am equation. I hope that this is the answer that you were looking for and it has actually come to your great help.</span>
5 0
3 years ago
Read 2 more answers
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