All categories

2 years ago

Questions in the picture! Can I have the answer to2 decimal place .cm2

Mathematics

2 answers:

vodomira [7]2 years ago

7 0

<u>Answer:</u>

area = 50.27 $cm^2$

<u>Step-by-step explanation:</u>

In the diagram, we see that the diameter of the circle is 8cm. Therefore the radius of the circle is 8/2 = 4cm.

$area \hspace{0.15cm}of \hspace{0.15cm}circle = $\pi$r^2$

= π $(4)^2$

= 50.27 $cm^2$

xxMikexx [17]2 years ago

3 0

Answer:

16П or approximately 50.3)

Step-by-step explanation:

The area of a circle is equal to П*r²

Since the circle is inside a rectangle with side that is equal to 8, we know that d = 8

2r = d

r = 8/2

r = 4

A = П*r²

A = П*16

А = 16П ( or 16*3.141592653589793238... = 50.26548... ≈ 50.3)

You might be interested in

PLEASEEEE WHAT IS ITTTT HURRYYY PLSSS

Natasha_Volkova [10]

Answer:

It is ( - 0.25)

Step-by-step explanation:

I hope that is useful for you :)

6 0

3 years ago

Read 2 more answers

Miranda painted the 4 walls of her rectangular room. Her room measures

4vir4ik [10]

Answer: I think it is 1572 sq feet

Step-by-step explanation:

Lxwxh

14x13x9=1638

Window is 4x4.5=18

Door 1 is8x3=24

Door 2 8x3=24

Since the doors and window are not included in what was painted you need to subtract those totals from the room.

So, 1638-18=1620

1620-48(two doors)=1572 sq feet

6 0

3 years ago

Can I get help with this?

Masteriza [31]

Answer:

AC = 120

Step-by-step explanation:

<D = 360 - 95 - 145

D =120

Central Angle = Intercepted Arc

AC = <D = 120

6 0

3 years ago

Help me with #22 Please i need steps too

VladimirAG [237]

Answer:

$\frac{1}{2} (8)(x+4)=3(x+6)\\x=2$

Step-by-step explanation:

$\frac{1}{2} bh=bh\\\\\frac{1}{2}(8)(x+4)=3(x+6)\\4(x+4)=3x+18\\4x+16=3x+18\\4x=3x+2\\x=2$

1. set the equation for the area of each shape equal to each other

2. simplify each side until you get $4x+16=3x+18$

3. subtract 16 from both sides which will give you $4x=3x+2$

4. subtract 3x from both sides which will give you the value of x. $x=2$

5. check that $x=2$ is correct by plugging it into the equations

triangle:

$area=\frac{1}{2} (8)(2+4)\\area=4(6)\\area=24$

rectangle:

$area=3(2+6)\\area=3(8)\\area=24$

the areas are the same

4 0

2 years ago

if y varies directly as x, and y=72 when x=8 an equation that relates x and y is? and if y varies directly as x, and y=98 when x

balu736 [363]

Answer:

a) $y=9x$

b) $y=7x$

Step-by-step explanation:

In both parts of the problem y varies directly as x. So, they have the following form:

$y=kx$

Where k is the constant of proportionality.

Therefore, you must find k and then write the equations.

a) Solve for k:

$k=\frac{72}{8}\\k=9$

Then, the equation is:

$y=9x$

b) Solve for k:

$k=\frac{98}{14}\\k=7$

Then, the equation is:

$y=7x$

5 0

3 years ago

Questions in the picture! Can I have the answer to2 decimal place __.__cm2

Questions in the picture! Can I have the answer to2 decimal place .cm2