All triangles are similar

AD= x-2
CD=x+3

Find the value of x

Hi Student!

The first step that we need to take when approaching this problem is to extract the important information that was given in the problem statement.  Reading through it, we can see that we are given a circumference of a pipe being 9.24 centimeters.  After that, they are asking for us to determine what the diameter of the pipe is and tell us to use 3.14 instead of π.

Now that we have completed the information gathering, we can move onto the part of plugging in our values and solving for the unknown.

Plug in the values

Divide both sides by 3.14

Therefore, after solving for our unknown being the diameter we were able to determine that it is around 2.942675 centimeters using the Circumference formula.

Answer:

5

Step-by-step explanation:

5,10,15,20,25,30,35,40,45,50

6,12,18,24,30,36,42,48,54

[tex]\text{First term,}~ a = x+1\\\\\text{Common ratio,}~ r = \dfrac{x-3}{x+1}= \dfrac{x-1}{x-3}\\\\\text{Now,}\\\\~~~~~~\dfrac{x-3}{x+1} = \dfrac{x-1}{x-3}\\\\\\\implies (x-3)(x-3) = (x-1)(x+1)\\\\\\\implies (x-3)^2 = x^2 -1\\\\\\\implies x^2 -2\cdot 3x +3^2 =x^2 -1\\\\\\\implies -6x+9=-1\\\\\\\implies -6x = -1 -9\\\\\\\implies -6x = -10\\\\\\\implies x =\dfrac{-10}{-6}\\ \\\\\implies x = \dfrac 53[/tex]

Step-by-step explanation:

we need 2 1/2 × 2 = 5 cubes along the length.

1 1/2 × 2 = 3 cubes along the the width.

and 1 1/2 × 2 = 3 cubes along the height.

altogether we need

5×3×3 = 45 cubes

and the volume is

2 1/2 × 1 1/2 × 1 1/2 = 5/2 × 3/2 × 3/2 = 45/8 = 5 5/8 yd³

There are 96 cubes are there for each of the length, width, and height of the prism.

The volume of a rectangular prism is 12 yd³.

A prism is a three-dimensional solid object in which the two ends are identical. It is the combination of flat faces, identical bases, and equal cross-sections.

A rectangular prism has a length of 2 1/2yd, a width of 1 1/2yd, and a height

of 1 1/2yd.

length 2 1/2 and half yd​ = 2 1/2+ (1/2) yd = 5/2 + 1/2 = 6/2= 3 yd

Width 1 1/2 and half yd​ = 1 1/2 + (1/2) yd = 3/2 + 1/2 =  (4/2) = 2 yd

Height 1 1/2 and half yd = 1 1/2 + (1/2) yd = 3/2 + 1/2 =  (4/2) = 2 yd

Cubes of edge length (1/3) yd are used to fill the rectangular prism.

The length would contain (3) ÷ (1/2) = 6

The width would contain (2) ÷ (1/2) = 4

The height would contain (2) ÷ (1/2) = 4

How many cubes are there for each of the length, width, and height of the prism?

6 × 4 × 4 = 96 cubes

There are 96 cubes are there for each of the length, width, and height of the prism.

What is the volume of the prism?

The volume of rectangular prism = 3 × 2 × 2 = 12

The volume of a rectangular prism is 12 yd³.

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Answer:

The new points to the triangle will be:
[tex]A(1,4)\\ B(1,1)\\ C(-1,1)[/tex]

Step-by-step explanation:

Because the reflection point is at [tex]x=2[/tex], all x values will subtract their distances from [tex]x=2[/tex] to get their new values. The y values remain the same.

The starting values are:

[tex]A(3,4)\\ B(3,1)\\ C(5 ,1)[/tex]

Point [tex]A[/tex] is 1 unit away from [tex]x=2[/tex], so we'll subtract 1 from 2 to get the new x value: [tex]2 - 1 = 1[/tex], so [tex]A(1,4)[/tex].

 

Point [tex]B[/tex] is also 1 unit away from [tex]x=2[/tex], so we'll subtract 1 from 2 to get the new x value: [tex]2 - 1 = 1[/tex], so [tex]B(1,1)[/tex].

Point [tex]C[/tex] is 3 units away from [tex]x=2[/tex], so we'll subtract 3 from 2 to get the new x value: [tex]2 - 3 = -1[/tex], so [tex]C(-1,1)[/tex].

Answer:

None

Step-by-step explanation:

[tex]4x-6 = 2(2x+3)\\4x-6 = 4x+6\\0x -12 = 0\\no solutions[/tex]

Answer: There are no solutions for the equation.

Step-by-step explanation:

4x - 6 = 2(2x + 3)

4x - 6 = 4x + 6                                                        

-6 = 6                                                                        

[tex]6 sin² x + 4 cos²x = Stanx[/tex]

[tex]Correct option is B)

Given, 4cos2x+6sin2x=5

[/tex]

[tex]⇒4cos2x+4sin2x+2sin2x=5

⇒2sin2x=1⇒sin2x=21=(21)2

⇒x=nπ±4π

[/tex]

[tex]~~~~~~6 \sin^2 x + 4 \cos^2 x = 5 \tan x \\\\\implies 3 \cdot 2\sin^2 x + 2 \cdot 2 \cos^2 x = 5 \tan x\\ \\\implies 3(1- \cos 2x ) + 2( 1 + \cos 2x) = 5 \tan x\\\\\implies 3 - 3 \cos 2x +2 +2 \cos 2x = 5 \tan x\\\\\implies 5- \cos 2x = 5 \tan x\\ \\\implies 5 - \left(\dfrac{1- \tan^2 x}{ 1+ \tan^2 x} \right)=5 \tan x\\\\\implies \dfrac{5+5 \tan^2x -1 + \tan^2 x}{1+ \tan^2 x} = 5 \tan x\\\\\implies 4 + 6\tan^2 x = 5( \tan x)(1+ \tan^2 x)\\\\\implies 4 +6\tan^2 x = 5 \tan x + 5 \tan^3 x[/tex]

[tex]\implies 5\tan^3 x -6 \tan^2 x+5 \tan x-4=0\\\\\implies 5 \tan^3 x - 5 \tan^2 x - \tan^2x + \tan x+ 4\tan x -4=0 \\\\\implies 5\tan^2 x(\tan x-1) -\tan x(\tan x-1) +4(\tan x-1)=0\\\\\implies ( \tan x - 1)( 5 \tan^2 x- \tan x +4) =0\\\\\implies \tan x =1\\\\\implies x = n \pi+ \dfrac{\pi}4[/tex]

Answer:

35

Step-by-step explanation:

it takes 5 weeks to make 100 since 20 x 5 = 100

100 x 7 = 700

5 x 7 = 35

Answer:

It will take 35 weeks.

Answer:

0.00014

Step-by-step explanation:

just use calculator...

(1.1x10^-3) - (9.6x10^-4) = 0.00014

Answer:

t =  6m + 9g.

Step-by-step explanation:

Total number of batteries is t.

t =  6m + 9g.

Answer: 6 pieces

Step-by-step explanation:

      He is cutting the board into pieces each measuring [tex]\frac{1}{8}[/tex] of a foot. The original board is [tex]\frac{3}{4}[/tex] of a foot long. This means he is dividing, so we will solve the problem by doing the following.

     [tex]\displaystyle \frac{3}{4}/\frac{1}{8}[/tex]

     [tex]\displaystyle\frac{3}{4}*\frac{8}{1}[/tex]

     [tex]\displaystyle\frac{3*8}{4*1}[/tex]

     [tex]\displaystyle\frac{24}{4}[/tex]

     [tex]\displaystyle6[/tex]

     He can cut the board into 6 pieces, each measuring [tex]\frac{1}{8}[/tex] of a foot.

From the figure, the value of tan j is 13/9

The tangent of an angle is calculated using:

tan(j) = opposite/adjacent

From the figure, we have:

opposite = 13

adjacent = 9

So, we have:

tan(j) = 13/9

Hence, the value of tan j is 13/9

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Answer: 55 [tex]\frac{5}{9}[/tex] feet² or 55.556 feet²

Step-by-step explanation:

      The scale means that for ever one in the scale drawing, it is 20 in the actual room. We will convert the dimensions using proportions.

  [tex]\frac{5}{x}=\frac{1}{20}[/tex]

  100 = x

-> The length is 100 inches

  [tex]\frac{4}{x}=\frac{1}{20}[/tex]

  80 = x

-> The width is 80 inches

    The area of a rectangle can be found by multiplying the length by the width:

A = L * W

A = 100 * 80

A = 8,000 inches²

  To get this into square feet, we will divide by 144. Why? There are 12 inches in a foot. 12 times 12 is 144.

8,000 inches² / 144 = 55 [tex]\frac{5}{9}[/tex] feet²

            The area of the room, in square feet, is 55 [tex]\frac{5}{9}[/tex] feet².

Answer:

Step-by-step explanation:

Question 1:

x² = -8x - 7

x² + 8x = -7

(x + 4)² = 9

So the answer is (x + 4)² = 9

Question 2:

(x + 4)² = 9

So x = -4 ± 3

Answer:

Step-by-step explanation:

you multiple each hight and base

Answer:

Diagonal is = 16.97

Step-by-step explanation:

To find the length of a diagonal across a square use this formula

Plug in

D = 16 . 97

a. The number of square cm of paper that would be used to make 4 caps is 3154.56 cm².

b. For the cake to have the required dimensions, they should order 1 kg of cake.

a.

The number of square cm of paper that would be used to make 4 caps is 3154.56 cm².

To find the number of square cm paper would be used to make 4 caps, we need to find the area of a cone.

The area of a cone, A = πr² + πr[√(h² + r²)] where

Now given that the base circumference of the cone is C = 44 cm. So,

C = 2πr where r = radius of base

So, r = C/2π = 44 cm/2π = 22 cm/3.142 = 7 cm

The height of the cone, h = 24 cm

So, A = πr² + πr[√(h² + r²)]

A = π(7 cm)² + π(7 cm)[√((24 cm)² + (7 cm)²)]

A = π(7 cm)² + π(7 cm)(7)[√((4 cm)² + (1 cm)²)]

A = 49π cm² + 49π cm[√(16 cm² + 1 cm²)]

A = 49π cm² + 49π cm[√(17 cm²)]

A = 49π [1 cm² + 4.123 cm²)]

A = 49π [5.123 cm²)]

A = 251.032π

A = 788.64 cm²

Since the area of one cap is A = 788.64 cm²,

the area of 4 caps is A' = 4A

= 4 × 788.64 cm²

= 3154.56 cm²

So, the number of square cm of paper that would be used to make 4 caps is 3154.56 cm².

b.

For the cake to have the required dimensions, they should order 1 kg of cake.

To find the amount of cake to be ordered, we need to find the volume of a cake since it is the volume of a cylinder.

The volume of a cylinder is V = πd²h/4 where

Substituting the values of the variables into the equation, we have

V = πd²h/4

V = π(24 cm)²(14 cm)/4

V = π(576 cm)²(14 cm)/4

V = 8064π cm³/4

V = 2016π cm³

V = 6333.45 cm³

So the volume of the cake is 6333.45 cm³

Since 650 cm³ equals 100 g, 6333.45 cm³ = 6333.45 cm³ × 100 g/650 cm =  974.4 g = 0.974 kg ≅ 1 kg.

So, for the cake to have the required dimensions, they should order 1 kg of cake.

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Answer:

f(3)=11

Step-by-step explanation:

f(x) = 2x + 5

to find f(3) we simply plug in 3 where ever x is

So f(3) = 2(3) + 5

==> multiply 2 and 3

f(3) = 6 + 5

==> add 6 and 6

f(3) = 11

Answer:

None

Step-by-step explanation:

By using the equation a^2 +b^2=c^2 we can see if it will work.

Substitute a for 6 and b for 2 to get 6^2+2^2=40

when you [tex]\sqrt{40}[/tex] you don't get 7 therefore you cant make any triangles

Amiya + Ravi = 72

x + 2x = 72

3x = 72

x = 72/3

x = 24

therefore Amiya has 24 stamps

Huiling has 8 more than Amiya = 24 + 8 = 32stamps

hope it helps...!!!

Answer:

See below

Step-by-step explanation:

The turtle’s distance from his starting point is increasing between 0 and 6

seconds (which means it is getting larger in that time interval)

The turtle’s distance from his starting point is constant between 6 and 8 seconds (which means it is not moving in that time interval!)

The turtle’s distance from his starting point is decreasing between 8 and 12

seconds (which means it is getting smaller in that time interval)

Answer:

0-6, 6-8, 8-12

Step-by-step explanation:

For this, we'll have to use the numbers along the x-axis to measure. The line begins moving in a positive direction (up) from 0 to 6, which at that point, it remains stationary until 8 seconds. It then moves in a negative direction (down) all the way to 12.

If I can explain or elaborate in any way, please let me know.

Hope this helps!

Answer:

D

Step-by-step explanation:

6i = 3/5i

8j = 4/5j

3/5i + 4/5j

Answer:

72 percent

Step-by-step explanation:

7/25, x 4 to get a fraction of 100

28/100

100 - 28 = 72

72 percent

Answer:

Ashley still needs to finish 72 percent of her homework

Step-by-step explanation:

Happy to help!! :D

Answer:

The string contains 6 ones and 8 zeros, thus 14 bits in total.

Step-by-step explanation:

Hope this helps.

The marginal cost is the change in the total cost that arises when the quantity produced is incremented, the cost of producing additional quantity.

a). First construct total variable cost for each level Q -- simply multiply Q by AVC. So

Q TVC

1 1

2 4

3 9

4 16

5 25

6 36

Now calculate marginal cost as the change in TVC for each level Q.

Q MC

1 1

2 3

3 5

4 7

5 9

6 11

b) with price = 10, firm will produce 5 but not 6 units.

c) calculate total profits at Q=5. Total revenue is $50, total costs is $25+$16 = $41. Since there are profits to be made, more firms will enter, shifting the supply curve out, Price will fall, quantity goes up. Each firm will supply the same or less as price falls.

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Hello!

We have two different scenarios that we have to solve in the question. We will be solving for both the x and y variable.

We were given the equation: -3y + 2x = -18

To solve for our variables, we will use the values given in our question.

Solve:

Lets solve for the value "y", where our x = 0

Plug in 0 to x and solve:

-3y + 2(0) = -18

-3y = -18

y = 6

Lets now solve for the value "x", where our y = 0

Plug in 0 to y and solve:

-3(0) + 2x = -18

2x = -18

x = -9

Therefore, our answers would be: y = 6, x = -9

Answer:

y = 6

x = -9

Answer:

First choice.

Step-by-step explanation:

The third side cannot be 26 or greater ( as 11 + 15 = 26).

Answer:

it is A i think

Step-by-step explanation: