Will give brainliest to whoever answers first and correct

Answer:

Step-by-step explanation:

radius=diameter/2

=30/2

=15 cm

area of a clock=πr^2

=3.14*(15)^2

=3.14*225

=706.5 cm^2

Answer:

40[tex]\pi[/tex]

or 125.66 rounded

Step-by-step explanation:

area of triangle:

1/2(b*h)

1/2(8*8)

1/2(64)

=32

area of half circle:

[tex]\pi r^{2}[/tex]/2

[tex]\pi r^{2}[/tex]/2

[tex]\pi 4^{2}[/tex]/2

[tex]\pi16[/tex]/2

[tex]\pi8[/tex] or 8[tex]\pi[/tex]

So, 8[tex]\pi[/tex] + 32=40[tex]\pi[/tex]

Answer:

https://www.gigacalculator.com/calculators/volume-of-sphere-calculator.php this the link for the marth calculate

find the volume of a sphere. Only a single measurement needs to be known in order to compute the volume of a sphere and that is its diameter. For example, if the diameter is known to be 20 feet, then calculate the volume by using the first formula above to get 4/3 x 3.14159 x (20/2) 3 = 4.1866 x 1000 = 4188.79 ft 3 (cubic feet).

Answer: it’s 352425262625251452 is 4th of July and I am present

Step-by-step explanation:

Answer:

Step-by-step explanation:

A

Answer:

A. 11 and -3

Step-by-step explanation:

[tex]\sqrt{47}[/tex] ≈ 7

4 + 7 = 11

4 - 7 = -3

Answer:

it becomes a 3 unit hight

Answer:

mmm I think you first subtraction

Answer:

B

Step-by-step explanation:

We want to find the point-slope equation of a line that passes through the points (-1, 4) and (8, -2).

Point-slope form is given by:

[tex]y-y_1=m(x-x_1)[/tex]

Where m is the slope and (x₁, y₁) is a point.

So, let's find the slope of the line first. We can use the slope formula:

[tex]\displaystyle m=\frac{\Delta y}{\Delta x}=\frac{-2-4}{8-(-1)}=\frac{-6}{9}=-\frac{2}{3}[/tex]

We can choose (-1, 4) as our point. So, (x₁, y₁) = (-1, 4).

Substitute:

[tex]\displaystyle y-(4)=-\frac{2}{3}(x-(-1))[/tex]

Simplify:

[tex]\displaystyle y-4=-\frac{2}{3}(x+1)[/tex]

Therefore, our answer is B.

Answer:

x-2

Step-by-step explanation:

Answer:

x-2

Step-by-step explanation:

(2x-3) - (x-1)

= 2x-3-x+1

= x-2

Answer:

(1,-1)

Step-by-step explanation:

Answer:

a ?

Step-by-step explanation:

Answer:

I'm pretty sure it's A? makes more sense

hope it helps you see the attachment for further information

Answer:

1.2km is 400% of 300m

Step-by-step explanation:

1 km=1000m

So,1.2 km=1000*1.2=1200m

Let 1.2km(or 1200m) be x% of 300 m

By the problem,

300*x/100 = 1200

Or, 3x=1200

Or,x=1200/3=400

1.2km is 400% of 300m

Answer:

Yes you are.

Step-by-step explanation:

Just keep plugging in the values for x.  Good job.

yes you r doing it right

3/4 *0=0

Answer:

x = 10

Step-by-step explanation:

Angles in a triangle add up to 180°. Using this, we can form the following equation:

71° + 50° + 6x - 1 = 180. A simplified version is this: 120° + 6x = 180

Remove 120° from both sides to get:

6x = 60

Divide both sides to get:

x = 10

Hope this helps!

Answer:

C)

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

s + 12>= 100

s>=100-12

s>=88

Answer:

Your answer is B

Step-by-step explanation:

The lowest number is 4, therefore it cannot be C.

Now you'll have to cross out numbers on both sides and your mean will be 9 because you'll have to add 8 and 10 together and 18 divided by 2 is 9.

Next, put a line between 8 and 10, now the 8 side is the lower quartile and the 10 side is the greater quartile.

For the lower quartile, add 7 and 7 together, divide 14 by 2 and the lower quartile is 7.

For the greater quartile, add 11 and 13 together, that's 24, divide 24 by 2 and that's 12.

Lowest: 4

Mean: 9

Lower quartile: 7

Greater quartile: 12

Highest: 14

Therefore your answer is B and not A or C.

Answer:

a + c = 30

8a + c = 100

a=10, c= 20

Step-by-step explanation:

cost = 8a + 1c  since it is 8 dollars for adult and 1 for child where a is the number of adults and c is the number of children

a+c = 30  since we know that 30 adults and children went

100 = 8a + 1c   and it cost 100 dollars

Let c =30 -a

100 = 8a + (30-a)

100 = 7a +30

Subtract 30 from each side

70 = 7a

Divide by 7

10 =a

Then a+c = 30

10+c = 30

c = 30-10

c = 20

Answer:

eqn1 : a +c=30

eqn2: 8a+c=100

20 children and 10 adults

Answer:

b

Step-by-step explanation:

around 500 people travel more than just 30 miles to work, sum even travel across the states

Answer:

7×3³-n

Step-by-step explanation:

This is a geometric sequence

Use nth term of geometric sequence formula



Ratio is 27/63=1/3

First term is 63



Simplify expression



Answer:

4 squared is 16 so 16 times 3.14= 50.24

Step-by-step explanation:

Answer:

4^2 = 16

16 x 3.14 = 50.24 in2

Step-by-step explanation:

Formula of area of a circle:

π x r^2(radius being squared)

To make it more easier:

3.14 or 22/7 x radius^2

Some keywords:

Radius: Half of your diameter or given radius

Radius Squared: Your radius squared, your radius to the power of 2.

Pi: 3.14 or 22/7 depending on what they tell you to use for pi

Given:

In ΔJKL, m∠L=90°, JL = 80, KJ = 89, and LK = 39.

To find:

The value of sine of ∠J.

Solution:

In a right angle triangle,

[tex]\sin\theta =\dfrac{Perpendicular}{Hypotenuse}[/tex]

In triangle JKL,

[tex]\sin J =\dfrac{LK}{KJ}[/tex]

[tex]\sin J =\dfrac{39}{89}[/tex]

[tex]\sin J =0.4382[/tex]

[tex]\sin J \approx 0.44[/tex]

Therefore, the value of sine of ∠J is about 0.44.

Answer: ok so your answer will be 7 so D,

Step-by-step explanation: just follow the simple P.E.M.D.A.S

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

Answer:

Hope it helps you:)

.....................

Answer:

9x² + 6xy + y²

Step-by-step explanation:

(a + b)² =  a² + 2ab + b²

a  = 3x

b = y

(3x +y)² = (3x)² + 2*3x*y + y²

            = 9x² + 6xy + y²

(3x)² = 3²*x² = 3*3*x² = 9x²

9514 1404 393

Answer:

  yes

Step-by-step explanation:

A table is a 3-D object. It makes no sense to talk about reflecting it across a point or line. If the table is reflected across a vertical plane, the top will remain "up" and the legs will remain "down".

A glide reflection across a vertical plane will result in a functioning table.

Answer:

So, the error is [tex]4.8\pi r[/tex].

Step-by-step explanation:

Error in measuring the radius = 0.6 %

Let the radius is r.

The surface area of sphere is

[tex]S= 4\pi r^2\\\\dS = 4 \pi\times 2 r dr\\\\dS =8\pi r \times 0.6 = 4.8\pi r[/tex]

Answer:

970299

Step-by-step explanation:

We have,

[tex]99^{3}[/tex]

[tex]= (100 - 1)^3[/tex]

We know that,

[tex](a-b)^3 = a^3 - b^3 -3ab (a-b)[/tex]

Therefore,

[tex](100)^3 - 1^3 - 3(100)(1)(100-1)[/tex]

[tex]1000000 - 1 - 300(100-1)[/tex]

[tex]1000000 - 1 - 30000 + 300[/tex]

[tex]=970299[/tex]