I need help please with this question ?????!!!!

Let's break this up:

Radius: 19

Diameter: 38

Circumference: 119.4

So...

The area of a circle with radius 19 is 1134

A = πr2 = π(d

2

)2 A = C2

4π

π = 3.1415

A = area

C = circumference or perimeter

r = radius, d = diameter

SOLUTION STEPS:

Area of a circle in terms of radius:

Area = π·r2 = 3.14·192 = 1134 square cm(*)

Area of a circle in terms of diameter:

Area = π·(d

2

)2 = 3.14·(38

2

)2 = 3.14·(19)2 = 1134 square cm(*)

Area of a circle in terms of circumference:

Area = C2

4π

= 119.42

4π

= 14256.36

(4·3.14)

= 14256.36

12.56

= 1134 square cm(*)

(*) 1134.1149479459 cm, exactly or limited to the precision of this calculator (13 decimal places).

Note: for simplicity, the operations above were rounded to 2 decimal places and π was rounded to 3.14.

Result in other units of area:

A circle of radius = 19 or diameter = 38 or circumference = 119.4 cm has an area of:

1.134 × 10-7 square kilometers (km²)

0.1134 square meters (m²)

1134 square centimeters (cm²)

1.134 × 105 square millimeters (mm²)

4.3784 × 10-8 square miles (mi²)

0.135625 square yards (yd²)

1.22063 square feet (ft²)

175.77 square inches (in²)

Answer:

[tex]tan(30) = \frac{A}{B}[/tex]

Step-by-step explanation:

Given

The attached triangle

Required

Find tan(30)

Let the side opposite 30 degrees be A and the side adjacent 30 degrees be B

So [using tangent identity]:

[tex]tan(\theta) = \frac{Opposite}{Adjacent}[/tex]

This gives:

[tex]tan(30) = \frac{A}{B}[/tex]

Answer:

p = 5

hope it helps

(x-8)(x+4)+(x-3)(x+9)

Remove parenthesis.

x-8+x+4+x-3+x+9

Then rearrange.

x+x+x+x+4+9-8-3

Now add/subtract.

4x+13-11

We still have combining to do...

4x+2

That's as far as it goes

---

hope it helps

Answer:

Provide a picture, then comment on this. I will answer it.

Step-by-step explanation:

Answer:

Your cousin

Step-by-step explanation:

Kin is your family/related family

Answer:

26 ft

Step-by-step explanation:

A=bh

40= 8h

h=5

P=2(l+w)

P= 2(8+5)

P = 2(13)

P = 26

a is correct

Step-by-step explanation:

Area of Bigger rectangle = 4x2 + 5x - 2

Area of Smaller rectangle = x2 + 3× + 5

diff. = ( 4x2 + 5x - 2) - (x2 + 3x - 5)

= 4x2 + 5x -2-x2 - 3x - 5

= 3x2 + 2x - 7

Answer:

b divide both sides by 6

Step-by-step explanation:

6a = 72 if you divided each side by 6 you will get

a = 12 which would bring you to the actual answer.

Answer:

the answer is d

Step-by-step explanation:

Answer:

A spinner has equal sections numbered 1-8. If you spin the spinner once, what is the probability that you will not get a 5? | Socratic A spinner has equal sections numbered 1-8. If you spin the spinner once, what is the probability that you will not get a 5?

Step-by-step explanation:

Answer:

Step-by-step explanation:

Ok so basically 3 is 153 degrees and every line is 180 degrees, so 180-153=27.  So 3 and 2 make a line, 2 is 27 degrees and 4 and 3 make a line so that makes 4 -27 degrees. 1 is vertical to 3 and if 2 and 4 are 27 degrees and makes the lines with the other angles that equal 27 degrees then 1 is also 153 degrees.

^^

Sorry if this is hard to understand. Good luck! :)

Answer:

121

Step-by-step explanation:

the lower quartile will always be the left side of the box aka the first quartile, the third quartile is upper quartile, which is always on the right. The line within the box is the median just so you know.

Answer:

cats rule dogs drool is correct ty<3

Step-by-step explanation:

Answer:

cats rule dogs drool

Step-by-step explanation:

just did it edge23

Answer:

6

Step-by-step explanation:

10-4 is 6 and they are on the same x axis

Answer:21

Step-by-step explanation:

cu   u=-(5-12)=-7   c=-3    -7(-3)=21

Answer:

21

Step-by-step explanation:

Answer:

Question unclear.

If the question was about the perimeter of the rectangle, it is calculated as:

= (Length * 2) + (Height * 2)

= (11 * 2) + (6 * 2)

= 22 + 12

= 34 cm

If the question was bout Area, the area is:

= Length * width

= 11 * 6

= 66 cm²

Answer:

S - 8

Step-by-step explanation:

S - 8.

hope this helps! Have a great day!

2x+y=9

3x+5y=19

I will do this problem in 2 ways. I.)Substitution II.)Elimination

Solution I.) Substitution

We can subtract 2x from both sides in the first equation.

y=9-2x

Now we can substitute the y in the second equation with 9-2x

3x+5(9-2x)=19

-7x+45=19

-7x=-26

x=26/7

y=9-2(26/7)=11/7

Solution II.)Elimination

We can multiply both side of first equation by 5 to get a 5y in both equations.

10x+5y=45

Now because both are positive 5y we just need to do simple subtraction of the 2 equation, each side respectively.

(10x+5y)-(3x+5y)=45-19

7x=26

x=26/7

2*26/7+y=9

y=11/7

Ultimately you get the same answer, both are viable methods, some problems are faster with one method but I recommend mastering both since they are very useful.

Answer:

5 hours

Step-by-step explanation:

275/55=5

Answer:

0

Step-by-step explanation:

Distribute:

=(6)(3x)+(6)(−5)+(2)(3x)+(2)(−5)+(−8)(3x)+(−8)(−5)

=18x+−30+6x+−10+−24x+40

Combine Like Terms:

=18x+−30+6x+−10+−24x+40

=(18x+6x+−24x)+(−30+−10+40)

=0

Answer:

7/27 pizza's were pepperoni and 20/27 pizzas did not have pepperoni

Step-by-step explanation:

The value of x is 50 because, in a quadrilateral, the sum of the opposite angles is equal to 180 degrees. option (B) is correct.

It is defined as the four-sided polygon in geometry having four edges and four corners and two pairs of congruent sides.

We have:

In the diagram below, OP is circumscribed about quadrilateral ABCD.

In a quadrilateral, the sum of the opposite angles is equal to 180 degree

x + 20 + 110 = 180

x + 130 = 180

x = 50

Thus, the value of x is 50 because, in a quadrilateral, the sum of the opposite angles is equal to 180 degrees. option (B) is correct.

Learn more about the quadrilateral here:

brainly.com/question/6321910

#SPJ2

Answer:

∠BDC=43°

Step-by-step explanation:

Since ABCD is a rectangle, ∠ADC=90

∠ADC=∠BDC+∠ADB

90=(7x+1)+(9x-7)

90=16x-6

16x=96

x=6

∠BDC=7x+1

=7(6)+1

=42+1=43