The length of a rectangle is 2m longer than its width.
If the perimeter of the rectangle is 24m , find its area.

Answer:

C

Step-by-step explanation:

1116 / 36 = 31

hope this helps

Answer:

C ,1,116/36 = c (1,116 divided by 36 equals c)

Step-by-step explanation:

Hope this helps!

answer is .7 .81 l think

Answer:

Step-by-step explanation:

You know the lengths of two sides and the angle between them, so use the Law of Cosines to find the third side.

x^2 = 10.5^2+ 5.4^2 -2(10.5)(5.4)cos20°

x ≈ 5.73 units

Answer:

[tex] \underline{ \boxed{x = 5.7}}[/tex]

Step-by-step explanation:

[tex]its \: simple \: and \: easy \ \: : \: if \: you \: apply \: the \: cosine \: rule \to \\ {x}^{2} = {(10.5)}^{2} + {(5.4)}^{2} - 2(10.5)(5.4) \cos(20) \\ {x}^{2} =( 110.25 +29.16 ) - (113.4)( \cos(20)) \\ {x}^{2} = 139.41 - 106.5611432 \\ {x}^{2} = 32.8488568 \\ x = \sqrt{32.8488568} \\ x = 5.7313922218 \\ \boxed{x = 5.7}[/tex]

Answer:

It seems like John is trying to find the mean, or average.

Green is 82

blue is 320

red is 4

Step-by-step explanation:

82 is the score John must get to have the average of 80

320 is the number you must divide by 4 to get 80

Answer:

x=10

Step-by-step explanation:

5x-4=46

+4. +4

5x=50

x=10

Answer:

x = 10

Step-by-step explanation:

5x = 46 + 4 = 50

x = 50 / 5 = 10

x = 10

hope u find this helpful :)

Answer:

It is a 30, 60, 90 triangle.

Step-by-step explanation:

Hence, the measure of the largest angle is degrees is [tex]5[/tex] degree, [tex]10[/tex] degree and [tex]15[/tex] degree and the largest angle is  [tex]15[/tex] degree.

What are the angles?

Angles are formed by two rays (or lines) that begin at the same point or share the same endpoint. The point at which the two rays meet (intersect) is called the vertex.

Here given that,

The sum of the measures of three adjacent angles is [tex]150[/tex] degree. The measures of the angles are in the ratio of [tex]1:2:3.[/tex]

Let one angle is [tex]x[/tex], second is [tex]2x[/tex] and the thirs one is [tex]3x[/tex].

As given that the sum of three angles is [tex]150[/tex] degree but we know that the sum of three angles is [tex]180[/tex] degree then,

[tex]x+2x+3x=180-150\\\\x+2x+3x=30\\\\6x=30\\\\x=\frac{30}{6}\\\\x=5[/tex]

when

[tex]x=5\\\\2x=2(5)\\\\2x=10[/tex]

when

[tex]x=5\\\\3x=3(5)\\\\3x=15[/tex]

Hence, the measure of the largest angle is degrees is [tex]5[/tex] degree, [tex]10[/tex] degree and [tex]15[/tex] degree and the largest angle is  [tex]15[/tex] degree.

To know more about the angles

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Answer:

12/15

Step-by-step explanation:

The fraction of 4/5 using fifteenths is 10/9.

The fractional bar is a horizontal bar that divides the numerator and denominator of every fraction into these two halves.

Given:

4/5 using fifteenths

We have to convert the denominator in 15.

So, multiplying the fraction by 3/3

Then, 4/5 x 3/3 = 12 / 15

Hence, the fraction of 4/5 using fifteenths is 10/9.

Learn more about fraction here:

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Answer:

Hazel is 1 out of 8.46

Blue is 1 out of 3.43

Step-by-step explanation:

total number=37+62+13+15=127

Blue is 37 out of 127

Probability is 1 out of 3.43

Hazel is 15 of 127

Probability is 1 out of 8.46

Answer:

30.89cm³

Step-by-step explanation:

Given that:

Side length, s of square = 12cm

Area of square = s² = 12² = 144cm²

Since the circle touches the edge of tbe square, then the diameter of the circle = side length of square = 12 cm

Area of a circle = πr²

Radius, r = diameter / 2 = 12/2 = 6cm

A = 3.142 * 6^2

A = 3.142 * 36

A = 113.112 cm²

Area of shaded portion = area of square - area of circle

= 144cm² - 113.112cm³

= 30.89cm³

Answer:

i think it is B

Step-by-step explanation: don't ask for an explanation cuz i wont give one

Answer:

a = 31.7

c = 39.1

Step-by-step explanation:

tan54 = a / 23

a = 23 * tg54

a = 31.7

sin54 = 31.7 / c

c = 31.7 / sin54

c = 39.1

:)

Answer:

Hope this help

Step-by-step explanation:

The correct options are (1) and (3)

The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec).

Given that, a right triangle Δ DEF,

We know that the sine of an angle is the trigonometric ratio of the opposite side to the hypotenuse of a right triangle containing that angle.

Therefore, If D is the reference angle then, sinD = 8/√185

and B is the reference angle then, sinB = 11/√185

Hence, The correct options are (1) and (3)

For more references on trigonometric ratio, click;

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Answer:

15

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

If 9 cups of water is for 6 of lemon juice, and it will stay on this continuous path then 2x9= 18 cups of water for 2x6 lemon juice which makes it 12.

Answer:

Those answers are correct that are shown and that are shown in blue

Step-by-step explanation:

Answer:

sin60° = [tex]\frac{\sqrt{3} }{2}[/tex]

Step-by-step explanation:

sin60° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{\sqrt{3} }{2}[/tex]

Answer: See explanation

Step-by-step explanation:

I think your question should be a rectangle and not a triangle. A triangle has 3 sides and not 2 sides. In order to solve the question, I'm assuming that you wanted to write rectangle.

Note that the perimeter of a rectangle:.= 2(length + breadth)

Let the width be x

Since the length is 1 1/8 cm longer than the width, therefore, the length is 1 1/8 + x.

Therefore, perimeter = 2(1 1/8 + x + x) = 13 1/4

2(1 1/8 + 2x) = 13 1/4

2 2/8 + 4x = 13 1/4

2 1/4 + 4x = 13 1/4

4x = 13 1/4 - 2 1/4

4x = 11

x = 11/4

x = 2 3/4

Therefore, the width is 2 3/4cm

Length = 2 3/4 + 1 1/8

= 2 6/8 + 1 1/8

= 3 7/8cm

14/16, or 3.5/4! There are quite a few.

Answer:

3789/21

=180.4...............

Given :

One root of a third degree polynomial function f(x) is –5 + 2i.

To Find :

The number and nature of all roots for this function.

Solution :

We know, there are exactly three roots in any third degree polynomial.

Also, we know complex roots always comes in pair i.e. the other root is the conjugate of each other .

So, other root is , -5 - 2i .

Also, since complex roots come in conjugate pair. So, third root cannot be complex.

Therefore, 2 roots are complex and 1 is real.

Answer:

f(x) has two imaginary roots and one real root.

Step-by-step explanation:

B on edge.

Answer:

I can’t see the picture well please make it more detailed

Step-by-step explanation:

Answer: Its A

explanation:

Im good at math

Can i have brainliest please?

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

1) Make it so that it's easy to solve

3 = -y +2x

18 = y + x (the y cancels out)

21 = 3x (divide both sides by 3 to isolate x)

x = 7 (then you can plug in x and then solve for y)

2) Again, make the problem easy to read  

12 = -x + y

27 = 4x + 2y (get rid of either x or y. I am going to get rid of x by multiplying the top equation by four)

48 = -4x + 4y

27 = 4x + 2y  (x is canceled out)

75 = 6y (divide both sides by 6 to isolate y)

12.5 = y (then plug in y to find x)

3) 15 = (7 + p) + p -----------------> p represents pants and (7 + p represents shirts because she bought 7 plus pants of shirts)

15 = 7 + 2p

8 = 2p (isolate p by dividing by 2)

p = 4

- Elaine bought 4 pants and 11 shirts.

In the comments, let me know if you need a further explanation.

Answer:

in the two triangles WXZ and XYZ we have:

●YXZ=XZY(given)(THESE ARE ANGLES)

●WZX=ZXY(given)(THESE ARE ANGLES)

●(XZ) common side

so the 2 triangles are congruent by ASA(ANGLE SIDE ANGLE).

Step-by-step explanation:

hope this helped and there is another way by proving the quadrilateral a parallelogram but it's longer and harder tell me if u want me to explain it to you

Answer: if you are on khan academy, which you are, here’s the real answer.

Step-by-step explanation:

Answer:

She reads 6.8 pages per minute.

Step-by-step explanation:

170 divided by 25 = 6.8

Answer:

10

Step-by-step explanation:

14+10=24-14=10

Answer: 10

Step-by-step explanation: 14 + 10 = 24 + (-14) = 10

Answer:

7

Step-by-step explanation:

√49 = 7

7² = 49

7 × 7 = 49

hope this helps...

Answer:

The answer is B

Step-by-step explanation:

I got this answer from Khan Academy.

Hope this helps! :)