a right triangle has side lengths a, b, and c as shown below. Use these lengths to find tanx, sinx, and cosx.​

Answer: The new length is: (y - x) metres.

Step-by-step explanation:

If we have a piece of string that is y metres long, and we cut x metres of strings from it, then the new length of the string will be equal to the difference between the initial length and the amount that we cut off.

So the initial length is y metres.

We cut x metres.

The new length is: (y - x) metres.

Answer:

50!

Step-by-step explanation:

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Answer:Number of cellos  =7

Step-by-step explanation:

The ratio of cellos to violins is 1 to 3=1:3

Total ratio = 1+3=4

To find the total number of  cellos and violins in the orchestrs,

Ratio of violins/ Total ratio  x Total number of cellos and violins  = Number of violins

3/4  x X= 21

X=21 x 4 / 3

X =7x 4  28.

Number of cellos  =Ratio of cellos / Total ratio  x Total number of cellos and violins

=1/4 x28

=7 cellos

Answer:

B

Step-by-step explanation:

I'm positive its B, if it's not B then then D

hope this helps!

Answer: 7 yards

Step-by-step explanation:

Given

The area of the trapezoid is [tex]46\ yards^2[/tex]

The height of the trapezoid is  [tex]h=4\ yards[/tex]

One of the bases is [tex]a=16\ yards[/tex]

Suppose another base is b

The area of the trapezoid is

[tex]A=\dfrac{a+b}{2}\times h[/tex]

Putting values

[tex]\Rightarrow 46=\dfrac{16+b}{2}\times 4\\\\\Rightarrow 23=16+b\\\Rightarrow b=7\ yards[/tex]

The length of other base is 7 yards

Answer:

48

Step-by-step explanation:

60 = 5x

x = 12

12x4 = 48

Answer:

[tex] \sqrt[3]{216} = \sqrt[3]{ {6}^{3} } = 6[/tex]

this is your answer

Answer:

12m + 12 is one equivalent expression

Step-by-step explanation:

This can be found by distributing the numbers as shown below:

6(m + 2 + m)

6m + 12 + 6m

12m + 12

Awnser:

The awnser would be 8m in total.

Answer:

6 feet per minute

Step-by-step explanation:

Answer:

6 feet per minute.

Step-by-step explanation:

5ft + 1ft = 6ft per minute.

Answer:

Step-by-step explanation:

it is the top 2

Answer:

A. Right angle traingle Is the answer

Answer:

BC = 5.87

Step-by-step explanation:

Reference angle = 50°

Side Opposite to reference angle = 7

Adjacent side = BC = ?

Apply trigonometric function, TOA, thus:

Tan 50 = Opp/Adj

Tan 50 = 7/BC

BC × Tan 50 = 7

BC = 7/Tan 50

BC = 5.87369742 ≈ 5.87 (nearest hundredth)

Answer:

5.87

Step-by-step explanation:

khan said it was correct.

Answer:

4) C

5) D

Step-by-step explanation:

4) Solving by substitution means you will try to get one of the variables isolated for one of the equations (y=_____), then plug that in to the other equation. C is the best answer choice for a first step in isolating a variable

5) For these kinds of questions it is best to convert the equations to be in the same form (y=mx+b or Ax+By=C). You should get y=3x+5 for both equations, meaning they are the same equations, therefore infinite solutions exist

Answer:

3. 15 baskets

4. 16 tries

Step-by-step explanation:

3.

3: 4 is ratio so 3:4=x:20, 3/4=x/20, and you get x=15

4. ratio is still 3:4, 3:4=12:x, 3/4=12/x, x=16, so 16 tries

Answer:

2,258

Step-by-step explanation:

4 words = $0.31

[tex]\frac{4}{0.31}[/tex] = [tex]\frac{x}{175}[/tex]

cross multiple and solve for x

0.31x = (175)(4)

x = about 2,258

Answer:

a^14q^10+x^6y^2−b^7+125c

( I hope this was helpful ) >;D

Answer:

It is 10

Step-by-step explanation:

Answer:

x=5/2, -4.

Step-by-step explanation:

3(2x-5)(x+4)=0

(2x-5)(x+4)=0/3

(2x-5)(x+4)=0

2x-5=0, x+4=0

2x=0+5,

2x=5,

x=5/2,

x+4=0

x=0-4=-4

Answer:

Calculate the sqr of 5 subtract it from 3 and find absolute value

Step-by-step explanation:

Sqr of 5 is 2.23606798

2.23606798 - 3 = -0.76393202

Absolute value of -0.76393202 is 0.76393202

Answer:

Step-by-step explanation:

This can be written as (√5 - 3) or - √5 +3   You have to make clear what you would like this to do.

Answer:

4 units

Step-by-step explanation:

A triangle has vertices on the coordinate grid at points D (3, -3), E (0, 2), and F (-1, -3). What is the length, in units, of DF ?

A triangle is a polygon with three sides and three angles.

The distance between two points [tex](x_1,y_1)\ and\ (x_2,y_2)[/tex] on the coordinate plane is given by:

[tex]Distance=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

Given A triangle with vertices at points D (3, -3), E (0, 2), and F (-1, -3). The length of side DF is given as:

[tex]DF=\sqrt{(-1-3)^2+(-3-(-3))^2}=4\ units[/tex]

Answer:

This quadratic has two unequal, imaginary roots.

Step-by-step explanation:

y = 3x^2 + 8 is a quadratic function, and (like all quadratics) it has two roots.  In this case they happen to be different (unequal), as well as imaginary.

Setting y = 3x^2 + 8 = 0, we get:

3x^2 = -8, or

x^2 = -8/3

Taking the square root of both sides, we get

x = ±i√(8/3) (2 imaginary roots)

Answer:

x=1/2

Step-by-step explanation:

use a calculator