Find the missing side and round to the nearest tenth
Find the missing side and round to the nearest tenth - 1

Answers

Answer 1
Answer: In this problem you use cosine because you know the hypotenuse and you want to know the adjacent side of the triangle. So in your calculator you would input cos(52). Then you would multiply that answer with the hypotenuse side. So your equation would be this:  cos(52) x 13

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Four expression are shown below 1. 2(2x^2-2x-60) 2. 4(x^2-x-30) 3. 4(x+6)(x-5) 4. 4x(x-1)-120 The expression 4x^2-4x-120 is equivalent to which one above *could be more than one*

What is 2(x + 2) + (x + 5)

Answers

Answer:

3x+9

Step-by-step explanation:

A livestock pen is built in the shape of a rectangle that is twice as long as it is wide. The perimeter is 48 feet. If the material used to build the pen is $1.85 per foot for the longer sides and $2.35 per foot for the shorter sides (the shorter sides have gates, which increase the cost per foot), find the cost to build the pen.

Answers

Wow!  This has to handled one step at a time.
Step 1). Find the actual dimensions of the pen.
Step 2). Decide the total amount on longer sides
and the total amount on shorter sides.
Step 3). Work out the costs.

Dimensions of the pen:
"Twice as long as it is wide".
Width = W feet
Length = 2W feet
Perimeter = W + 2W + W + 2W = 6W = 48 feet
Width = W = 8 feet
Length = 2W = 16 feet

Amount on long sides and short sides:
The longer sides are 16 feet.
There are 2 of them.
Total mount on longer sides = 32 feet.

The shorter sides are 8 feet.
There are 2 of them.
Total amount on shorter sides = 16 feet.

Costs:
Longer sides: (32 feet) x ($1.85 per feet) = $59.20
Shorter sides: (16 feet) x ($2.35 per foot) =  $37.60
Total cost of material to build the pen = $96.80
 

 

Write an algebraic expression that is equivalent to the expression.cos⁡(arcsin⁡ (x-h)/r )

Answers

Answer is in the attachment below.

A plumber charges $50 to come to a house and $20 an hour for work time. If h represents the number of hours worked, which expression gives the total amount the plumber charges?
a.
50h + 20
b.
20h + 50
c.
20(h + 50)
d. + 50

Answers

Since the 50 remains the same every time, is has no letters next to it in the equation.  The 20, however, is multiplied by the amount of hours, and will therefore have an h next to.  

20h + 50- the answer is a. 

Two lines, A and B, are represented by the equations given below:Line A: x + y = 2
Line B: 2x + y = 4
Which statement is true about the solution to the set of equations?
There are infinitely many solutions.
There are two solutions.
There is one solution.
There is no solution.

Answers

If you would like to know which statement is true about the solution to the set of equations, you can calculate this using the following steps:

x + y = 2 ... y = 2 - x
2x + y = 4
_________________
2x + (2 - x) = 4
2x - x = 4 - 2
x = 2

y = 2 - x = 2 - 2 = 0

(x, y) = (2, 0)

The correct result would be: There is one solution.

Answer:

c

Step-by-step explanation:

If rstu is a rhombus, then ___________________.

Answers

If rstu is a rhombus, then it is a parallelogram. This means it is a four-sided plane rectilinear figure with parallel opposite sides

If a geometrical figure is rhombus

1. All sides are equal

2. Opposite sides are parallel.

3. Diagonals bisect each other at right angles.

4. Opposite angles are equal.

As, rhombus satisfies all the properties of parallelogram, so Rhombus RSTU= A Quadrilateral which is Parallelogram.