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4 years ago

PLEASE HURRY HELP MEEEEE

1 answer:

7 0

The answer is 4y+6. You simply add all the variables together (since they are like terms). There aren’t any remaining like terms, so you leave it at that.

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Shannon made a sketch of a ramp that she wants to build. She wants to figure out the angle of elevation formed by angle x.

Alina [70]

The value of x from the diagram is 29 degrees.

<h3>SOH CAH TOA identity</h3>

From the given figure, we have the following parameters:

Opposite = 12
Hypotenuse = 25

<h3>According to the theorem:</h3>

Sin x = opposite/hypotenuse

Sin x = 12/25

Sin x = 0.48

x = arcsin(0.48)

x = 28.685

x = 29 degrees

Hence the value of x from the diagram is 29 degrees.

Learn more on SOH CAH TOA here: brainly.com/question/20734777

3 0

3 years ago

3. The expression sine - 4 + cose is equivalent to: F. -5 G. -4 H. -3 J. 3 K. 5

Alenkasestr [34]

Answer:

asdf

Step-by-step explanation:

3 0

3 years ago

Apel Sinoman has 100 ft of fencing material to enclose a rectangular exercise run for her dog. One side of the run will border h

Olegator [25]

Answer:

For maximum area of the rectangular exercise run dimensions will be 50ft by 25ft.

Step-by-step explanation:

Let the length of the rectangular exercise run = l ft

and width of the run = w ft

Sinoman has to cover a rectangular exercise run from three sides with the fencing material,

So length of the material = (l + 2w) ft

l + 2w = 100

l = 100 - 2w --------(1)

Area of the rectangular area covered = Length × width

A = lw

A = w(100 - 2w) [(l = 100 - 2w)from equation (1)

For maximum area we find the derivative of area and equate it to zero.

$\frac{dA}{dw}=\frac{d}{dw}[w(100-2w)]$

$A'=\frac{d}{dw}(100w-2w^{2} )$

A' = 100 - 4w

For A' = 0

100 - 4w = 0

4w = 100

w = 25 ft

From equation (1)

l = 100 - 2w

l = 100 - 2×(25)

l = 50 ft

Therefore, for maximum area of the rectangular exercise run dimensions will be 50ft by 25ft.

5 0

4 years ago

All trapezoids are also_____________________. a. squares c. rectangles b. parallelograms d. quadrilaterals

Wewaii [24]

Answer:

The answer is D. quadrilaterals

Step-by-step explanation:

All trapezoids are squares. If a shape is a square, then it is also a rectangle and a rhombus. A trapezoid is a quadrilateral with exactly one set of parallel sides

8 0

2 years ago

How to find the circumference of a circle that is 42m and has diameter

Nitella [24]

Answer:

Circumference of the circle is $131.88m$